Native Dynamic sql,Execute immediate - oracle

EXECUTE immediate 'SELECT COUNT(*) INTO var_total_rows FROM '||v_table_name || ' where ENQUIRY_NO = :enq_no'
--INTO var_total_rows USING enq_no;
this is giving error of missing keyword . I am trying to count the number of rows fetched after passing the enquiry number for each table . approx 68 tables are in the output
thanks

You can try this way:
DECLARE
v_table_name VARCHAR2 (20) := 'emp';
enq_no NUMBER := 5;
var_total_rows NUMBER;
BEGIN
EXECUTE IMMEDIATE
'SELECT COUNT(*) FROM ' || v_table_name || ' where EMPNO = :enq_no'
INTO var_total_rows
USING enq_no;
DBMS_OUTPUT.put_line (var_total_rows);
END;
Edit:
This works for me. I just replaced ENQUIRY_NO with EMPLOYEE_ID since my schema doesnot have that table. Please make sure to assign value to variable enq_no
declare
var_total_rows number;
enq_no number:=1;
BEGIN
FOR c1 IN (SELECT DISTINCT table_name
FROM user_tab_columns
WHERE column_name = 'EMPLOYEE_ID' ) --'ENQUIRY_NO')
LOOP
DBMS_OUTPUT.PUT_LINE (' ');
DBMS_OUTPUT.PUT_LINE ('Table = ' || c1.table_name);
DBMS_OUTPUT.PUT_LINE ('=========================');
EXECUTE IMMEDIATE
'SELECT COUNT(*) FROM '
|| c1.table_name
|| ' where EMPLOYEE_ID = :enq_no'
INTO var_total_rows
USING enq_no;
DBMS_OUTPUT.PUT_LINE ('total count:' || var_total_rows);
END LOOP;
END;
Output:
Table = EMPLOYEE
=========================
total count:1
Table = BONUSES
=========================
total count:1
Table = BONUSESS
=========================
total count:0

Related

Can we use collection variable as a table in execute immediate?

Declare
Type t_approved_node is record( node_rowid Hr
node_rowid%type, Node_+type hr.node_type%type);
Type t_val is table of t_approved_node Index by pls_integer;
V_node t_val;
V_tab varchar2(20);
V_col varchar2(400);
V_nrf_flg hr.hr_flag%type;
V_ubrf_flg hr.hr_flag%type := 3;
V_col_str varchar2(4000);
Begin
Begin
Select hr_flag into v_nrf_flg from hr;
End;
Begin
Select h.node_rowid, h.node_type bulk collect into v_node
from hr h, hr_attr_wfm haw
Where h.hr_relation_id = haw.uc_hr_relation_id
And h.node_type = 'UBR';
Begin
V_tab := 'UC_UBR';
Select listagg(column_name, ',' within group(order by
column_id)
Into v_col from user_tab_columns where table_name = v_tab;
End;
V_col_str := regex_replace( v_col, 'HR_FLAG', v_ubrf_flg);
Execute immediate ' insert into ' || v_tab || '( ' ||
V_col || ') ' || ' select '|| v_col_str || ' from ' ||
V_tab || 'R ' || q' [ where node_type = ' UBR' a
and hr_flag =:1 and exists( ] ' || ' select 1 ' || ' from table( ' ||
v_node || ')y' || q' [ where y.node_rowid = R.node_rowid ] )'
Using v_nrf_flag;
End;
End;
I was trying to execute above block getting below error.
Wrong number or types of arguments in call to ||
Final query should be like
insert into UC_UBR ( v_col)/*3 columns into v_col variable*/
select v_col_str /* 3 columns in v_col_str variable*/ from UC_UBR R where hr_flag =:1
and exists
(select 1 from table(v_node) /*collection variable*/ y
where y.node_rowid = r.node_rowod;
Can anyone help on this?
Your sample code is full of errors and does not make any sense at all. But if I focus on your question, then the answer is "yes". See this example:
CREATE OR REPLACE TYPE t_app AS OBJECT( nodeid NUMBER, Nodetype VARCHAR2(100));
CREATE OR REPLACE TYPE t_val IS TABLE OF t_app;
DECLARE
V_node t_val;
V_result t_val;
V_app t_app;
V_count NUMBER;
Sql_stmt VARCHAR2(100);
nodeid NUMBER;
Nodetype VARCHAR2(100);
BEGIN
SELECT t_app(nodeid, Nodetype) BULK COLLECT INTO V_node FROM HR;
Sql_stmt := 'SELECT count(*) FROM TABLE(:t)';
EXECUTE IMMEDIATE Sql_stmt INTO V_count USING V_node;
DBMS_OUTPUT.PUT_LINE ( 'V_count = ' || V_count );
Sql_stmt := 'SELECT nodeid, Nodetype FROM TABLE(:t) WHERE ROWNUM = 1';
EXECUTE IMMEDIATE Sql_stmt INTO nodeid, Nodetype USING V_node;
DBMS_OUTPUT.PUT_LINE ( 'nodeid = ' || nodeid );
DBMS_OUTPUT.PUT_LINE ( 'Nodetype = ' || Nodetype );
Sql_stmt := 'SELECT t_app(nodeid, Nodetype) FROM TABLE(:t) WHERE ROWNUM = 1';
EXECUTE IMMEDIATE Sql_stmt INTO V_app USING V_node;
DBMS_OUTPUT.PUT_LINE ( 'V_app = ' || XMLTYPE(V_app).getClobVal() );
Sql_stmt := 'SELECT t_app(nodeid, Nodetype) FROM TABLE(:t)';
EXECUTE IMMEDIATE Sql_stmt BULK COLLECT INTO V_result USING V_node;
END;
It would help if you posted real code you used, because this is full of syntax errors (missing sql_stmt local variable declaration, put.line (?)).
I have no idea what you plan to do with such a select statement as you can't execute it, it doesn't make any sense but - here you go; see line #20.
SQL> set serveroutput on
SQL>
SQL> DECLARE
2 TYPE t_app IS RECORD
3 (
4 nodeid NUMBER,
5 Nodetype VARCHAR2 (20)
6 );
7
8 TYPE t_val IS TABLE OF t_app
9 INDEX BY PLS_INTEGER;
10
11 V_node t_val;
12 V_tab VARCHAR2 (20);
13
14 sql_stmt VARCHAR2 (200);
15 BEGIN
16 SELECT empno, ename
17 BULK COLLECT INTO v_node
18 FROM emp;
19
20 Sql_stmt := 'select 1 from (' || v_node (1).nodeid || 'Y)';
21
22 DBMS_OUTPUT.put_line (sql_stmt);
23 END;
24 /
select 1 from (7369Y)
PL/SQL procedure successfully completed.
SQL>

Dynamic SQL Hangs [duplicate]

Is it possible to search every field of every table for a particular value in Oracle?
There are hundreds of tables with thousands of rows in some tables so I know this could take a very long time to query. But the only thing I know is that a value for the field I would like to query against is 1/22/2008P09RR8.
<
I've tried using this statement below to find an appropriate column based on what I think it should be named but it returned no results.
SELECT * from dba_objects
WHERE object_name like '%DTN%'
There is absolutely no documentation on this database and I have no idea where this field is being pulled from.
Any thoughts?
Quote:
I've tried using this statement below
to find an appropriate column based on
what I think it should be named but it
returned no results.*
SELECT * from dba_objects WHERE
object_name like '%DTN%'
A column isn't an object. If you mean that you expect the column name to be like '%DTN%', the query you want is:
SELECT owner, table_name, column_name FROM all_tab_columns WHERE column_name LIKE '%DTN%';
But if the 'DTN' string is just a guess on your part, that probably won't help.
By the way, how certain are you that '1/22/2008P09RR8' is a value selected directly from a single column? If you don't know at all where it is coming from, it could be a concatenation of several columns, or the result of some function, or a value sitting in a nested table object. So you might be on a wild goose chase trying to check every column for that value. Can you not start with whatever client application is displaying this value and try to figure out what query it is using to obtain it?
Anyway, diciu's answer gives one method of generating SQL queries to check every column of every table for the value. You can also do similar stuff entirely in one SQL session using a PL/SQL block and dynamic SQL. Here's some hastily-written code for that:
SET SERVEROUTPUT ON SIZE 100000
DECLARE
match_count INTEGER;
BEGIN
FOR t IN (SELECT owner, table_name, column_name
FROM all_tab_columns
WHERE owner <> 'SYS' and data_type LIKE '%CHAR%') LOOP
EXECUTE IMMEDIATE
'SELECT COUNT(*) FROM ' || t.owner || '.' || t.table_name ||
' WHERE '||t.column_name||' = :1'
INTO match_count
USING '1/22/2008P09RR8';
IF match_count > 0 THEN
dbms_output.put_line( t.table_name ||' '||t.column_name||' '||match_count );
END IF;
END LOOP;
END;
/
There are some ways you could make it more efficient too.
In this case, given the value you are looking for, you can clearly eliminate any column that is of NUMBER or DATE type, which would reduce the number of queries. Maybe even restrict it to columns where type is like '%CHAR%'.
Instead of one query per column, you could build one query per table like this:
SELECT * FROM table1
WHERE column1 = 'value'
OR column2 = 'value'
OR column3 = 'value'
...
;
I did some modification to the above code to make it work faster if you are searching in only one owner.
You just have to change the 3 variables v_owner, v_data_type and v_search_string to fit what you are searching for.
SET SERVEROUTPUT ON SIZE 100000
DECLARE
match_count INTEGER;
-- Type the owner of the tables you are looking at
v_owner VARCHAR2(255) :='ENTER_USERNAME_HERE';
-- Type the data type you are look at (in CAPITAL)
-- VARCHAR2, NUMBER, etc.
v_data_type VARCHAR2(255) :='VARCHAR2';
-- Type the string you are looking at
v_search_string VARCHAR2(4000) :='string to search here...';
BEGIN
FOR t IN (SELECT table_name, column_name FROM all_tab_cols where owner=v_owner and data_type = v_data_type) LOOP
EXECUTE IMMEDIATE
'SELECT COUNT(*) FROM '||t.table_name||' WHERE '||t.column_name||' = :1'
INTO match_count
USING v_search_string;
IF match_count > 0 THEN
dbms_output.put_line( t.table_name ||' '||t.column_name||' '||match_count );
END IF;
END LOOP;
END;
/
I know this is an old topic. But I see a comment to the question asking if it could be done in SQL rather than using PL/SQL. So thought to post a solution.
The below demonstration is to Search for a VALUE in all COLUMNS of all TABLES in an entire SCHEMA:
Search a CHARACTER type
Let's look for the value KING in SCOTT schema.
SQL> variable val varchar2(10)
SQL> exec :val := 'KING'
PL/SQL procedure successfully completed.
SQL> SELECT DISTINCT SUBSTR (:val, 1, 11) "Searchword",
2 SUBSTR (table_name, 1, 14) "Table",
3 SUBSTR (column_name, 1, 14) "Column"
4 FROM cols,
5 TABLE (xmlsequence (dbms_xmlgen.getxmltype ('select '
6 || column_name
7 || ' from '
8 || table_name
9 || ' where upper('
10 || column_name
11 || ') like upper(''%'
12 || :val
13 || '%'')' ).extract ('ROWSET/ROW/*') ) ) t
14 ORDER BY "Table"
15 /
Searchword Table Column
----------- -------------- --------------
KING EMP ENAME
SQL>
Search a NUMERIC type
Let's look for the value 20 in SCOTT schema.
SQL> variable val NUMBER
SQL> exec :val := 20
PL/SQL procedure successfully completed.
SQL> SELECT DISTINCT SUBSTR (:val, 1, 11) "Searchword",
2 SUBSTR (table_name, 1, 14) "Table",
3 SUBSTR (column_name, 1, 14) "Column"
4 FROM cols,
5 TABLE (xmlsequence (dbms_xmlgen.getxmltype ('select '
6 || column_name
7 || ' from '
8 || table_name
9 || ' where upper('
10 || column_name
11 || ') like upper(''%'
12 || :val
13 || '%'')' ).extract ('ROWSET/ROW/*') ) ) t
14 ORDER BY "Table"
15 /
Searchword Table Column
----------- -------------- --------------
20 DEPT DEPTNO
20 EMP DEPTNO
20 EMP HIREDATE
20 SALGRADE HISAL
20 SALGRADE LOSAL
SQL>
Yes you can and your DBA will hate you and will find you to nail your shoes to the floor because that will cause lots of I/O and bring the database performance really down as the cache purges.
select column_name from all_tab_columns c, user_all_tables u where c.table_name = u.table_name;
for a start.
I would start with the running queries, using the v$session and the v$sqlarea. This changes based on oracle version. This will narrow down the space and not hit everything.
Here is another modified version that will compare a lower substring match. This works in Oracle 11g.
DECLARE
match_count INTEGER;
-- Type the owner of the tables you are looking at
v_owner VARCHAR2(255) :='OWNER_NAME';
-- Type the data type you are look at (in CAPITAL)
-- VARCHAR2, NUMBER, etc.
v_data_type VARCHAR2(255) :='VARCHAR2';
-- Type the string you are looking at
v_search_string VARCHAR2(4000) :='%lower-search-sub-string%';
BEGIN
FOR t IN (SELECT table_name, column_name FROM all_tab_cols where owner=v_owner and data_type = v_data_type) LOOP
EXECUTE IMMEDIATE
'SELECT COUNT(*) FROM '||t.table_name||' WHERE lower('||t.column_name||') like :1'
INTO match_count
USING v_search_string;
IF match_count > 0 THEN
dbms_output.put_line( t.table_name ||' '||t.column_name||' '||match_count );
END IF;
END LOOP;
END;
/
I modified Flood's script to execute once for each table rather than for every column of each table for faster execution. It requires Oracle 11g or greater.
set serveroutput on size 100000
declare
v_match_count integer;
v_counter integer;
-- The owner of the tables to search through (case-sensitive)
v_owner varchar2(255) := 'OWNER_NAME';
-- A string that is part of the data type(s) of the columns to search through (case-insensitive)
v_data_type varchar2(255) := 'CHAR';
-- The string to be searched for (case-insensitive)
v_search_string varchar2(4000) := 'FIND_ME';
-- Store the SQL to execute for each table in a CLOB to get around the 32767 byte max size for a VARCHAR2 in PL/SQL
v_sql clob := '';
begin
for cur_tables in (select owner, table_name from all_tables where owner = v_owner and table_name in
(select table_name from all_tab_columns where owner = all_tables.owner and data_type like '%' || upper(v_data_type) || '%')
order by table_name) loop
v_counter := 0;
v_sql := '';
for cur_columns in (select column_name from all_tab_columns where
owner = v_owner and table_name = cur_tables.table_name and data_type like '%' || upper(v_data_type) || '%') loop
if v_counter > 0 then
v_sql := v_sql || ' or ';
end if;
v_sql := v_sql || 'upper(' || cur_columns.column_name || ') like ''%' || upper(v_search_string) || '%''';
v_counter := v_counter + 1;
end loop;
v_sql := 'select count(*) from ' || cur_tables.table_name || ' where ' || v_sql;
execute immediate v_sql
into v_match_count;
if v_match_count > 0 then
dbms_output.put_line('Match in ' || cur_tables.owner || ': ' || cur_tables.table_name || ' - ' || v_match_count || ' records');
end if;
end loop;
exception
when others then
dbms_output.put_line('Error when executing the following: ' || dbms_lob.substr(v_sql, 32600));
end;
/
I was having following issues for #Lalit Kumars answer,
ORA-19202: Error occurred in XML processing
ORA-00904: "SUCCESS": invalid identifier
ORA-06512: at "SYS.DBMS_XMLGEN", line 288
ORA-06512: at line 1
19202. 00000 - "Error occurred in XML processing%s"
*Cause: An error occurred when processing the XML function
*Action: Check the given error message and fix the appropriate problem
Solution is:
WITH char_cols AS
(SELECT /*+materialize */ table_name, column_name
FROM cols
WHERE data_type IN ('CHAR', 'VARCHAR2'))
SELECT DISTINCT SUBSTR (:val, 1, 11) "Searchword",
SUBSTR (table_name, 1, 14) "Table",
SUBSTR (column_name, 1, 14) "Column"
FROM char_cols,
TABLE (xmlsequence (dbms_xmlgen.getxmltype ('select "'
|| column_name
|| '" from "'
|| table_name
|| '" where upper("'
|| column_name
|| '") like upper(''%'
|| :val
|| '%'')' ).extract ('ROWSET/ROW/*') ) ) t
ORDER BY "Table"
/
I would do something like this (generates all the selects you need).
You can later on feed them to sqlplus:
echo "select table_name from user_tables;" | sqlplus -S user/pwd | grep -v "^--" | grep -v "TABLE_NAME" | grep "^[A-Z]" | while read sw;
do echo "desc $sw" | sqlplus -S user/pwd | grep -v "\-\-\-\-\-\-" | awk -F' ' '{print $1}' | while read nw;
do echo "select * from $sw where $nw='val'";
done;
done;
It yields:
select * from TBL1 where DESCRIPTION='val'
select * from TBL1 where ='val'
select * from TBL2 where Name='val'
select * from TBL2 where LNG_ID='val'
And what it does is - for each table_name from user_tables get each field (from desc) and create a select * from table where field equals 'val'.
if we know the table and colum names but want to find out the number of times string is appearing for each schema:
Declare
owner VARCHAR2(1000);
tbl VARCHAR2(1000);
cnt number;
ct number;
str_sql varchar2(1000);
reason varchar2(1000);
x varchar2(1000):='%string_to_be_searched%';
cursor csr is select owner,table_name
from all_tables where table_name ='table_name';
type rec1 is record (
ct VARCHAR2(1000));
type rec is record (
owner VARCHAR2(1000):='',
table_name VARCHAR2(1000):='');
rec2 rec;
rec3 rec1;
begin
for rec2 in csr loop
--str_sql:= 'select count(*) from '||rec.owner||'.'||rec.table_name||' where CTV_REMARKS like '||chr(39)||x||chr(39);
--dbms_output.put_line(str_sql);
--execute immediate str_sql
execute immediate 'select count(*) from '||rec2.owner||'.'||rec2.table_name||' where column_name like '||chr(39)||x||chr(39)
into rec3;
if rec3.ct <> 0 then
dbms_output.put_line(rec2.owner||','||rec3.ct);
else null;
end if;
end loop;
end;
Procedure to Search Entire Database:
CREATE or REPLACE PROCEDURE SEARCH_DB(SEARCH_STR IN VARCHAR2, TAB_COL_RECS OUT VARCHAR2) IS
match_count integer;
qry_str varchar2(1000);
CURSOR TAB_COL_CURSOR IS
SELECT TABLE_NAME,COLUMN_NAME,OWNER,DATA_TYPE FROM ALL_TAB_COLUMNS WHERE DATA_TYPE in ('NUMBER','VARCHAR2') AND OWNER='SCOTT';
BEGIN
FOR TAB_COL_REC IN TAB_COL_CURSOR
LOOP
qry_str := 'SELECT COUNT(*) FROM '||TAB_COL_REC.OWNER||'.'||TAB_COL_REC.TABLE_NAME||
' WHERE '||TAB_COL_REC.COLUMN_NAME;
IF TAB_COL_REC.DATA_TYPE = 'NUMBER' THEN
qry_str := qry_str||'='||SEARCH_STR;
ELSE
qry_str := qry_str||' like '||SEARCH_STR;
END IF;
--dbms_output.put_line( qry_str );
EXECUTE IMMEDIATE qry_str INTO match_count;
IF match_count > 0 THEN
dbms_output.put_line( qry_str );
--dbms_output.put_line( TAB_COL_REC.TABLE_NAME ||' '||TAB_COL_REC.COLUMN_NAME ||' '||match_count);
TAB_COL_RECS := TAB_COL_RECS||'##'||TAB_COL_REC.TABLE_NAME||'##'||TAB_COL_REC.COLUMN_NAME;
END IF;
END LOOP;
END SEARCH_DB;
Execute Statement
DECLARE
SEARCH_STR VARCHAR2(200);
TAB_COL_RECS VARCHAR2(200);
BEGIN
SEARCH_STR := 10;
SEARCH_DB(
SEARCH_STR => SEARCH_STR,
TAB_COL_RECS => TAB_COL_RECS
);
DBMS_OUTPUT.PUT_LINE('TAB_COL_RECS = ' || TAB_COL_RECS);
END;
Sample Results
Connecting to the database test.
SELECT COUNT(*) FROM SCOTT.EMP WHERE DEPTNO=10
SELECT COUNT(*) FROM SCOTT.DEPT WHERE DEPTNO=10
TAB_COL_RECS = ##EMP##DEPTNO##DEPT##DEPTNO
Process exited.
Disconnecting from the database test.
I don't of a simple solution on the SQL promprt. Howeve there are quite a few tools like toad and PL/SQL Developer that have a GUI where a user can input the string to be searched and it will return the table/procedure/object where this is found.
There are some free tools that make these kind of search, for example, this one works fine and source code is available:
https://sites.google.com/site/freejansoft/dbsearch
You'll need the Oracle ODBC driver and a DSN to use this tool.
Modifying the code to search case-insensitively using a LIKE query instead of finding exact matches...
DECLARE
match_count INTEGER;
-- Type the owner of the tables you want to search.
v_owner VARCHAR2(255) :='USER';
-- Type the data type you're looking for (in CAPS). Examples include: VARCHAR2, NUMBER, etc.
v_data_type VARCHAR2(255) :='VARCHAR2';
-- Type the string you are looking for.
v_search_string VARCHAR2(4000) :='Test';
BEGIN
dbms_output.put_line( 'Starting the search...' );
FOR t IN (SELECT table_name, column_name FROM all_tab_cols where owner=v_owner and data_type = v_data_type) LOOP
EXECUTE IMMEDIATE
'SELECT COUNT(*) FROM '||t.table_name||' WHERE LOWER('||t.column_name||') LIKE :1'
INTO match_count
USING LOWER('%'||v_search_string||'%');
IF match_count > 0 THEN
dbms_output.put_line( t.table_name ||' '||t.column_name||' '||match_count );
END IF;
END LOOP;
END;
I found the best solution but it's a little slow. (It will work perfectly with all SQL IDE's.)
SELECT DISTINCT table_name, column_name, data_type
FROM user_tab_cols,
TABLE (xmlsequence (dbms_xmlgen.getxmltype ('select '
|| column_name
|| ' from '
|| table_name
|| ' where lower('
|| column_name
|| ') like lower(''%'
|| 'your_text_here'
|| '%'')' ).extract ('ROWSET/ROW/*') ) ) a
where table_name not in (
select distinct table_name
from user_tab_cols where data_type like 'SDO%'
or data_type like '%LOB') AND DATA_TYPE = 'VARCHAR2'
order by table_name, column_name;
--it run completed -- no error
SET SERVEROUTPUT ON SIZE 100000
DECLARE
v_match_count INTEGER;
v_counter INTEGER;
v_owner VARCHAR2 (255) := 'VASOA';
v_search_string VARCHAR2 (4000) := '99999';
v_data_type VARCHAR2 (255) := 'CHAR';
v_sql CLOB := '';
BEGIN
FOR cur_tables
IN ( SELECT owner, table_name
FROM all_tables
WHERE owner = v_owner
AND table_name IN (SELECT table_name
FROM all_tab_columns
WHERE owner = all_tables.owner
AND data_type LIKE
'%'
|| UPPER (v_data_type)
|| '%')
ORDER BY table_name)
LOOP
v_counter := 0;
v_sql := '';
FOR cur_columns
IN (SELECT column_name, table_name
FROM all_tab_columns
WHERE owner = v_owner
AND table_name = cur_tables.table_name
AND data_type LIKE '%' || UPPER (v_data_type) || '%')
LOOP
IF v_counter > 0
THEN
v_sql := v_sql || ' or ';
END IF;
IF cur_columns.column_name is not null
THEN
v_sql :=
v_sql
|| 'upper('
|| cur_columns.column_name
|| ') ='''
|| UPPER (v_search_string)||'''';
v_counter := v_counter + 1;
END IF;
END LOOP;
IF v_sql is null
THEN
v_sql :=
'select count(*) from '
|| v_owner
|| '.'
|| cur_tables.table_name;
END IF;
IF v_sql is not null
THEN
v_sql :=
'select count(*) from '
|| v_owner
|| '.'
|| cur_tables.table_name
|| ' where '
|| v_sql;
END IF;
--v_sql := 'select count(*) from ' ||v_owner||'.'|| cur_tables.table_name ||' where '|| v_sql;
--dbms_output.put_line(v_sql);
--DBMS_OUTPUT.put_line (v_sql);
EXECUTE IMMEDIATE v_sql INTO v_match_count;
IF v_match_count > 0
THEN
DBMS_OUTPUT.put_line (v_sql);
dbms_output.put_line('Match in ' || cur_tables.owner || ': ' || cur_tables.table_name || ' - ' || v_match_count || ' records');
END IF;
END LOOP;
EXCEPTION
WHEN OTHERS
THEN
DBMS_OUTPUT.put_line (
'Error when executing the following: '
|| DBMS_LOB.SUBSTR (v_sql, 32600));
END;
/
Borrowing, slightly enhancing and simplifying from this Blog post the following simple SQL statement seems to do the job quite well:
SELECT DISTINCT (:val) "Search Value", TABLE_NAME "Table", COLUMN_NAME "Column"
FROM cols,
TABLE (XMLSEQUENCE (DBMS_XMLGEN.GETXMLTYPE(
'SELECT "' || COLUMN_NAME || '" FROM "' || TABLE_NAME || '" WHERE UPPER("'
|| COLUMN_NAME || '") LIKE UPPER(''%' || :val || '%'')' ).EXTRACT ('ROWSET/ROW/*')))
ORDER BY "Table";
The Oracle LIKE condition allows wildcards to be used in the WHERE clause of a SELECT, INSERT, UPDATE, or DELETE statement.
%: to match any string of any length
Eg-
SELECT last_name
FROM customer_tab
WHERE last_name LIKE '%A%';
-: to match on a single character
Eg-
SELECT last_name
FROM customer_tab
WHERE last_name LIKE 'A_t';

Oracle PL/SQL: Help resolving "PLS-00103: Encountered the symbol "LOOP" when expecting one of the following: if"

See Second Edit. New coding gets different error.
I am getting the "encountered a loop when expecting an if" error. My goal is to return a list of tables that have been updated by a specific project_id. The project_id is stored in a column on each table labeled project_id.
I used a with statement to create 2 tables. One table (sb_table) is a single column of all the tables that I want to look at. There are many more tables, but I figured it would speed things up if I narrowed down the list first. The other table I am creating (project) returns a single value turning the prjt_name provided into the actual project number (don't ask me why, but this is how my company has it set up, user creates a prct_name and is never aware of the project number).
Then I am trying to loop through the tables to see if they have the project number in their project_id column. If they do not, I delete them from the sb_table.
Ultimately, I am going to want to get all of the updated rows from all of the updated tables, but I am currently stuck on getting a list of the updated tables.
declare
query varchar2(10000);
table_count NUMBER;
update_count number;
prjt_name varchar2 not null := "01213264B";
cursor my_cur is select sbt.table_name from sb_table sbt;
begin
with sb_tables as (select table_name from all_tab_columns#db2 where
column_name = 'PROJECT_ID' and owner = 'SANDBOX'),
project as (select project_id from sandbox.sb_project#db2 where
project_name = upper(prjt_name))
--select sbt.table_name
--from sb_table sbt
for tableName in my_cur loop
query := 'select count(t.project_id) as "CNT" '||
'from sandbox.' || tableName || '#db2 t, project p '||
' where t.project_id = p.project_id ';
Execute immediate query
into update_count;
if update_count <= 0 then
query := 'DELETE FROM sb_tables where table_name = ' || tableName;
execute immediate query ;
end loop;
end;
Edit 1: Per comments, moved the select statement to the declare and am looping through my_cur now. I still get the same error.
Edit 2: Updated coding based on suggestions. I now get a different error message.
NEW ERROR: ORA-06550: line 12, column 16:
PLS-00306: wrong number or types of arguments in call to '||'
ORA-06550: line 12, column 7:
Edit 3: I was missing an = in my sub query which produced the error "Missing expression at line 13."
Edit 4: Now I get some results then error out with the following message
ORA-29913: error in executing ODCIEXTTABLEOPEN callout
ORA-29400: data cartridge error
KUP-04040: file ext_qsp_benefit.dat in DATA_DIR not found
ORA-02063: preceding 3 lines from ADHOC_POS15
ORA-06512: at line 13
Edit 5: Success! Apparently I cannot query certain tables. So I just took those tables out.
Final coding is:
declare
query varchar2(10000);
update_count integer := 0;
prjt_name varchar2(100) := '01213264B';
cursor my_cur is (select table_name from all_tab_columns#db2 where column_name = 'PROJECT_ID' and owner = 'SANDBOX' and table_name in ('X') );
tableName varchar2(100);
begin
open my_cur;
loop
fetch my_cur into tableName;
exit when my_cur%NOTFOUND;
update_count := 0;
execute immediate
'select count(project_id) as "CNT" from sandbox.' || tableName || '#db2 '
|| ' where project_id = (select project_id from sandbox.sb_project#db2 where project_name = ''' || prjt_name || ''' ) '
into update_count;
if update_count > 0 then
dbms_output.put_line (tableName);
end if;
end loop;
close my_cur;
end;
This doesn't do exactly what I wanted. It sends the results to dbms_output. But It is a start! Thanks everyone for you help!
DECLARE
update_count integer := 0;
prjt_name varchar2(100) := 'tttt';
mysql varchar2(100);
tablename varchar2(100);
cursor my_cur is
select 'DUAL'
from dual
where 'PROJECT_ID' = 'PROJECT_ID' and 'SANDBOX' = 'SANDBOX';
begin
open my_cur;
LOOP
FETCH my_cur into tablename;
EXIT WHEN my_cur%NOTFOUND;
update_count := 0;
mysql := 'select count(*) ' || ' from '
|| tablename
|| ' where ''TTTT'' = upper('''
|| prjt_name
|| ''')' ;
Execute immediate mysql INTO update_count;
dbms_output.put_line (mysql);
dbms_output.put_line (update_count);
END LOOP;
CLOSE my_cur;
end;
I tried one like yours. This executes successfully
declare
query varchar2(10000);
update_count integer := 0;
prjt_name varchar2(100) := '01213264B';
cursor my_cur is
select table_name
from all_tab_columns#adhoc_pos15
where column_name = 'PROJECT_ID' and owner = 'SANDBOX';
tableName varchar2(100);
begin
open my_cur;
loop
fetch my_cur into tableName;
exit when my_cur%NOTFOUND;
update_count := 0;
query := 'select count(t.project_id) as ''CNT'' from sandbox.'
|| tableName
|| '#adhoc_pos15 t'
|| ' where t.project_id = (select project_id from sandbox.sb_project#adhoc_pos15 where project_name = ''' || prjt_name || ''') ' ;
execute immediate query into update_count;
dbms_output.put_line (query);
dbms_output.put_line (update_count);
end loop;
close my_cur;
end;
i have tried your code with some execution, but before that you need to correct your with clause query. below code has executed except with clause so, make some change dependence on your requirements.
**code :**
declare
query varchar2(10000);
table_count NUMBER;
update_count number;
prjt_name varchar2 not null := '01213264B';
cursor my_cur is
select sbt.table_name from sb_table sbt;
begin
/* with sb_tables as (select table_name from all_tab_columns#db2 where
column_name = 'PROJECT_ID' and owner = 'SANDBOX'),
project as (select project_id from sandbox.sb_project#db2 where
project_name = upper(prjt_name))*/
for tableName in my_cur
loop
query := 'select count(t.project_id) into '|| update_count || 'from sandbox.' || tableName || '#db2 t, project p '||' where t.project_id = p.project_id ';
Execute immediate query;
--into update_count;
if update_count <= 0 then
query := 'DELETE FROM sb_tables where table_name = ' || tableName;
execute immediate query ;
end if;
end loop;
end;
If you run it in sql-developer please note, there are different buttons for running query (green triangle) and running script (green smaller triangle over a white document). Use 'run script' button

ORA-01403: No Data found WHY?

I have declared the following procedure:
CREATE OR REPLACE PROCEDURE MODIFY_NOT_NULL(
v_tbName IN VARCHAR2,
v_cName IN VARCHAR2,
v_defaultValue IN VARCHAR2 )
IS
v_is_null VARCHAR2(1);
BEGIN
SELECT nullable INTO v_is_null
FROM USER_TAB_COLUMNS
WHERE TABLE_NAME = v_tbName
AND COLUMN_NAME = v_cName;
IF v_is_null = 'Y' THEN
EXECUTE IMMEDIATE ('ALTER TABLE ' || v_tbName
|| ' MODIFY (' || v_cName
|| ' DEFAULT ' || v_defaultValue
|| ' NOT NULL )');
END IF;
END;
However when I execute my code:
BEGIN
modify_not_null('TABLE_NAME', 'COLUMN_NAME ' ,'0');
END;
/
I am getting a
"ORA-01403: No Data Found"
This exception will be usually thrown if the "SELECT INTO" statement does not return any value, however I will always get a value when I execute this:
Select nullable
from USER_TAB_COLUMNS
WHERE table_name = 'TABLE_NAME'
AND column_name = 'COLUMN_NAME';
When I execute the code above, I get "N" or "Y" as a result. So I always get a result. I don't know why this exception is thrown
Your call contains a trailing space:
modify_not_null('TABLE_NAME', 'COLUMN_NAME ' ,'0');
^
So proc throws no data found because 'COLUMN_NAME ' != 'COLUMN_NAME'
Use upper(trim(v_cName)) to prevent typos causing errors. Apply on all parameters.
You are passing v_defaultValue param to column name.
Change procedure to
SELECT nullable INTO v_is_null
FROM USER_TAB_COLUMNS
WHERE TABLE_NAME = v_tbName AND COLUMN_NAME = v_cName ;
Before your SELECT .... INTO, you have to make sure that there is something to select. Because depending on what user you are, and what parameters you give, there may be no data in your table.
A simple way would be to have a COUNT at the beginning before the SELECT:
CREATE OR REPLACE PROCEDURE MODIFY_NOT_NULL(
v_tbName IN VARCHAR2,
v_cName IN VARCHAR2,
v_defaultValue IN VARCHAR2 )
IS
v_is_null VARCHAR2(1);
v_count number;
BEGIN
-- added select count
SELECT count(1) INTO v_count FROM USER_TAB_COLUMNS WHERE TABLE_NAME = trim(v_tbName) AND COLUMN_NAME = trim(v_cName);
-- added if v_count=1
if v_count = 1 then
SELECT nullable INTO v_is_null FROM USER_TAB_COLUMNS WHERE TABLE_NAME = trim(v_tbName) AND COLUMN_NAME = trim(v_cName);
IF v_is_null = 'Y' THEN
EXECUTE IMMEDIATE ('ALTER TABLE ' || v_tbName || ' MODIFY (' || v_cName || ' DEFAULT ' || v_defaultValue || ' NOT NULL )');
END IF;
-- added
end if;
END;
/
Share and enjoy
stay classy :)
create or replace procedure modify_not_null(v_tbName in varchar2,
v_cName in varchar2,
v_defaultValue in varchar2) is
cursor c_tbl(cp_tbname in varchar2,
cp_cname in varchar2) is
select nullable
from user_tab_columns
where table_name = upper(cp_tbname)
and column_name = upper(cp_cname);
l_tbl c_tbl%rowtype;
begin
open c_tbl(cp_tbname => v_tbName,
cp_cname => v_cName);
fetch c_tbl into l_tbl;
close c_tbl;
if l_tbl.nullable = 'Y' then
execute immediate 'alter table ' || v_tbName || ' modify (' || v_cName ||
' default ' || v_defaultValue || ' not null )';
end if;
exception
when others then
raise_application_error(-20000, dbms_utility.format_error_stack);
end modify_not_null;

Dynamically assigning variables oracle sql

I have a table attribute_config with below columns:
table_name column_name key
Let us say is has below 2 rows
account accountphone accountnum
customer customernumber customerid
Key can be only accountnum or customerid.
I have to write code which will accept (i_accountnum,i_customerid) and;
fetch the respective values from columns mentioned in column_name in tables mentioned in table_name using the key in where condition.
For ex: select accountphone from account where accountnum = i_accountnum
select customernumber from customer where customerid = i_customerid
the complete query should be formed dynamically, whether to pass i_accountnum or i_customerid in the query also needs to be decided dynamically. if key - accountnum, i_accountnum will be passed to where condition.
I have been trying on these lines so far, this is not working, i know it is wrong.
declare
v_accountnum varchar2(20);
v_customerid varchar2(20);
v_attribute_value varchar2(20);
v_stmt varchar2(255);
begin
Account_Num := 'TestCustomer'; -- input to the function
v_customer_ref := 'TestAccount'; -- input to the function
for i in (Select * from attribute_config) loop
v_stmt := 'select ' || i.column_name || ' from ' || i.table_name ||' where ' || i.key|| ' = v_' || i.key;
execute immediate v_Stmt into v_attribute_value;
end loop;
end;
This will fix your code, but I do not see any advantage of using dynamic query when your code should accept 2 parameters(i_accountnum,i_customerid) - which is already static situation and fetch the relevant values, perhaps only in learning purposes.
declare
procedure fecth_values(i_accountnum account.accountnum%type,
i_customerid customer.customerid%type) return varchar2 is
v_attribute_value varchar2(20);
begin
for i in (select * from attribute_config) loop
execute immediate 'select ' || i.column_name || ' from ' ||
i.table_name || ' where ' || i.key || ' = ' || case when i.key = 'accountnum' then i_accountnum when i.key = 'customerid' then i_customerid end;
into v_attribute_value;
dbms_output.put_line(v_attribute_value);
end loop;
return null;
end;
begin
fecth_values(1, 1);
end;
Your where clause was wrong the i.key should be compared against the inputed values, not the 'v_' || i.key, which is undeclared when you execute your stmt.

Resources