I have a list of 20 records mapping year to a number from 2001 to 2021. For a couple of reasons these can not be loaded into a table, and I do not have permissions to create temporary tables. This lookup means I can't just run a single query in oracle - I have to export and join with a script. Is there a way I could just do a lookup in memory? I could do a CASE WHEN statement to handle each of the 20 cases. But is there some other smoother way to check values against a list in Oracle when you can't write to a table in between?
If I understood you correctly, a CTE might help:
SQL> with years as
2 (select 2000 + level as year
3 from dual
4 connect by level <= 21
5 )
6 select year
7 from years
8 /
YEAR
----------
2001
2002
2003
2004
<snip>
2020
2021
21 rows selected.
SQL>
You'd now join years with other tables, e.g.
with years as
...
select y.year, e.hiredate
from years y join employees e on e.year = y.year
where ...
Related
Do we have similar kind of checksum function (SQL) in oracle function. I would to store it in a table and use key/value for update statements. One of my current process contains 15 columns, need to check any change is there between source and destination, instead of checking one by one column whether change is happened or not, would like to have single column in table to helps whether change happened in 15 columns
Databases are good at keeping track of changes, that's what they are for.
Maybe the built-in ORA_ROWSCN is good enough for your change tracking? By default it tracks only the changes per block, but you can enable a table to track the change for each row with the - oddly named - clause ROWDEPENDENCIES:
CREATE TABLE t (
a NUMBER,
b NUMBER,
c NUMBER
) ROWDEPENDENCIES;
INSERT INTO t VALUES (1,1,1);
INSERT INTO t VALUES (2,2,2);
SELECT current_scn FROM v$database;
2380496
After a while:
UPDATE t SET b=20, c=20 WHERE a=2;
SELECT current_scn FROM v$database;
2380665
Now you can query the system change number SCN each row was changed:
SELECT ORA_ROWSCN AS scn, a,b,c FROM t;
SCN A B C
2380496 1 1 1
2380665 2 20 20
For the last 5 days, Oracle can translate a SCN to approximate real time (in Oracle 10 ± 5 minutes, from Oracle 11 ± 3 seconds):
SELECT ORA_ROWSCN AS SCN, SCN_TO_TIMESTAMP(ORA_ROWSCN) AS ts, a,b,c FROM t;
SCN TS A B C
2380496 2020-05-15 20:20:38 1 1 1
2380665 2020-05-15 20:23:06 2 20 20
It's documented in Oracles SQL Language Reference.
In Oracle Applications 12c release 1 there is a new column that forms part of many primary keys called zd_edition_name. This relates to editions that you can have for keeping the database up during changes. So you would have two editions, you can make changes to the non-live on and then just live swap over when you are done (my limited understanding - I am not a dba).
My questions is how can I get the value of zd_edition_name, since this is now part of the primary key and also because tables like fnd_descr_flex_col_usage_tl would bring back two rows instead of one if you don't pass the value of zd_edition_name.
Also what does the zd stand for?
EBS and Edition Base Redefinition and Online Patching
The column, zd_edition_name, is just a component of the edition based redefinition feature of an Oracle 11G 2 (or greater) database as you have indicated.
Oracle Applications does not leverage this edition based redefinition database feature until 12.2 EBS.
The apps owned synonym will display the run time value, SET1 or SET2. It will be one value. For EBS 12.1, I would expect the run time value to be SET1.
APPS#db> select
2 zd_edition_name
3 from
4 fnd_descr_flex_col_usage_tl
5 group by zd_edition_name;
ZD_EDITION_NAME
SET1
With the editionable view and the table, we do not have that restriction:
APPS#db>SELECT
2 zd_edition_name
3 FROM
4 applsys.fnd_descr_flex_col_usage_tl
5 GROUP BY
6 zd_edition_name;
ZD_EDITION_NAME
SET2
SET1
In EBS 12.2, one could identify the active file system which should have a correspondence with SET1/SET2 through logging in to the Oracle Apps server(s) and echoing the environment variables:
$FILE_EDITION = patch
$RUN_BASE = /u01/R122_EBS/fs1
$PATCH_BASE = /u01/R122_EBS/fs2
By querying the apps owned synonym, this is unnecessary to know the value of ZD_EDITION_NAME (it is a value associated with the run edition which will be the value).
You can view the editionable objects associated with table with a query like this:
APPS#db>VAR b_object_name varchar2(30);
APPS#db>EXEC :b_object_name:= 'FND_DESCR_FLEX_COL_USAGE_TL';
PL/SQL procedure successfully completed.
APPS#db>SELECT
2 ao.owner,
3 ao.object_name,
4 ao.object_type
5 FROM
6 all_objects ao
7 WHERE
8 1 = 1
9 AND owner IN (
10 'APPS',
11 'APPLSYS'
12 )
13 AND ao.object_name IN (
14 :b_object_name,
15 substr(:b_object_name,1,29)
16 || '#'
17 );
OWNER OBJECT_NAME OBJECT_TYPE
APPLSYS FND_DESCR_FLEX_COL_USAGE_TL TABLE
APPLSYS FND_DESCR_FLEX_COL_USAGE_TL# VIEW
APPS FND_DESCR_FLEX_COL_USAGE_TL SYNONYM
Here are list of versions existing in an EBS instance:
APPS#db>SELECT
2 level,
3 de.edition_name,
4 de.parent_edition_name
5 FROM
6 dba_editions de
7 START WITH
8 de.edition_name = 'ORA$BASE'
9 CONNECT BY
10 PRIOR de.edition_name = de.parent_edition_name
11 ORDER BY
12 de.edition_name;
LEVEL EDITION_NAME PARENT_EDITION_NAME
1 ORA$BASE
2 V_20160703_2120 ORA$BASE
3 V_20160708_1723 V_20160703_2120
...
29 V_20180117_1118 V_20171206_1115
30 V_20180130_0107 V_20180117_1118
For an 12.1 EBS environment, I would expect the starting edition, ORA$BASE, to be the only edition.
I have one scenario where data are in table as follows:
Ser_num File_name
1 DBA OBJECT~ALL_OBJECT
2 ./outfile_26094843.txt
3 ./outfile_26094844.txt
4 ./DataFile.txt
5 DBA OBJECT~AP_INVOICES_ALL
6 ./XXFA_GL_ICOMP_JOURNAL.rdf
7 ./outfile_26094844.txt
I have to extract data as follow
ALL_OBJECT
outfile_26094843.txt
outfile_26094844.txt
DataFile.txt
AP_INVOICES_ALL
XXFA_GL_ICOMP_JOURNAL.rdf
outfile_26094844.txt
please advise me SQL for this.
Trans. ID QTY TOOL Date
1 20 A2 2015
2 20 A2 2016
3 20 A2 2016
4 20 A3 2015
5 20 A3 2016
6 20 A3 2016
7 20 C 2016
8 20 C 2016
9 20 C 2016
10 20 C 2016
To Return
--Interested in 2016 only
Tool Total
A2 40
A3 40
Im not interested in the individual IDS. Just more interested totals.
Please notw Im also interested in grabbing data with tools specifically starting with the letter A since the actual table has a bunch of tools.
Im having a hard time figuring out how to put the WHERE statement and other things. I read in another thread to use distincts as well.
select Tool, sum(QTY)
from
(select distinct Tool, ID, QTY from "table")
where Tool like 'A%'
AND Date like '2016%'
group by PROCESS_EQP_ID
If you do the distinct in your subquery, you are going to knock out one of the rows with ids 2 and 3. However, from your expected output, you want both to be summed.
Also, what datatype is the date column? If it's DATE or TIMESTAMP, then I think this is what you're after:
select tool, sum(qty)
from "table"
where tool like 'A%'
and to_char(dt, 'yyyy') = '2016' -- note that I've renamed the date column as `date` is a reserved word in Oracle.
group by tool;
I am running a query but I'm a little stuck on the concept of subqueries in HiveQL. I am new to Hive and I've done a lot of reading but I still can't get it to work.
So I have a big table with the fields I'm interested in being created_date and size. So I basically wan to run an aggregation of the sum of sizes of files created in a particular year and group by distinct year.
My current query:
SELECT year(created_date), SUM(size) FROM <tablename> GROUP BY created_date
2001 2654567
2001 231818
2001 1978222
2002 7625332
2002 6272829
2003 2733792
This gives me a list of all the years in the table and the sums of each year as above but I have duplicates of the year and this is where I need to do a subquery to SELECT DISTINCT year and the sum the total size too.
Any help will be superb please.
You might want to try GROUPING BY the year, (since that is what you are selecting).
SELECT year(created_date), SUM(size) FROM <tablename> GROUP BY year(created_date)