I want to create a new database on an Oracle server via JDBC. I cannot seem to connect to the database without providing an SID: using a URL like jdbc:oracle:thin:#//[IP]:1521 results in an error of "ORA-12504, TNS:listener was not given the SID in CONNECT_DATA"
Alternatively, if I log into a specific SID, I can run most DDL commands except for CREATE DATABASE foo which fails with an error of "ORA-01100: database already mounted"
How am I supposed to create a database if I cannot connect to the server without specifying a specific database and cannot create a database if I am already logged into a specific database?
AFAIK creating a database needs an internal and direct connection which can only be done by logging in directly on the server (normally a user account called 'oracle').
One reason for that: users are stored in the database itself. No database = no user to connect to by an external client.
Please also note Justin's comment about oracles database schemas. This is probably what you are looking for
What you need are following commands:
CREATE TABLESPACE CREATE USER and few GRANT ... TO ... -- to have rights to connect and create objects, at least
Related
I'm not a DB expert, my boss has retired and it's up to me now. He created a production database, and a test database on another server with same username/password and schema name test_SameAsOtherDB. I'm trying to pull the live data from the production table, into the test DB table, but there are no privileges for me to do so.
I tried by logging into my production DB and "grant select on mytable_name to testDB.mytable_name;" but it gives me the error "ORA-00933: SQL command not properly ended".
I've tried all the combinations of user/password/schema that I could think of, but none work.
Everything I've researched says use "GRANT select on tablename to USER" but the user is the same on each DB.
Hope I made sense, any help would be appreciated.
Thanks,
John
You access a database on another server through a DATABASE LINK, not with the syntax to access an object in another schema on the same server.
You must create the DBLINK using the "CONNECT TO user IDENTIFIED BY password" syntax. (And the user used to execute "CREATE DATABASE LINK" must have the privilege to do...)
Then you will be able to "SELECT ... FROM mytable_name#DBLINK_TESTDB" assuming you named the DBLINK "DBLINK_TESTDB" with the same rights the user used in the "CONNECT TO" statement has in the target DB.
(And change that policy having the same passwords in all environment...)
Iam creating an app to change the password of selected Db user account.When an user select a particular db name and user of the db then click submit button i should call procedures that changes the password of the db user.So guide me how to connect to selected db from oracle Apex and do it.
As far as I can tell, there are two ways to change someone's password:
connect as that user
connect as a privileged user (such a SYS)
and run such a command:
alter user scott identified by tiger;
As you'd want to do that for any database you have a access to, as well as every user in those databases, I doubt that you know their passwords so I guess that you'll connect as a privileged user to all those databases. Of course, you have to know their passwords.
One option would be to
create the same stored procedure (which will modify someone's password) in every database
it'll accept username and its new password
as alter table is DDL, you'll have to use dynamic SQL (execute immediate)
create database links to those databases in a schema you use to connect to your Apex application
depending on database you choose, call appropriate procedure via database link and pass chosen username and its new password. This might also require some kind of dynamic SQL, if you want to use different DB link name
I don't know which database version you use, but - have a look at 11g's Accessing and Modifying Information in Multiple Databases, especially "Running a Stored Procedure in a Remote Oracle Database" chapter for more info.
I want to create the user and the database within that user. But when I tried to create database its giving the warning message as
ERROR at line 1:
ORA-01501: CREATE DATABASE failed
ORA-01100: database already mounted
Then I tried
STARTUP NOMOUNT;
Its giving the warning message for insufficient privileges even I have given all the permission to that particular user.
Can any one please help in finding the solution for this?
You don't create a database under a user in Oracle; I believe you're using terminology from another database poduct. The equivalent is a schema, which is a logical container for a group of objects. User and schema are essenentially synonymous in Oracle - when you create a user is automatically has its own schema.
You create the database once (which you already seem to have done, or had done for you), then create as many schemas/users as your application needs. You don't ever rerun the create database under normal circumstances - you certainly wouldn't as a normal user.
If you connect as that user you will be able to create tables, views, packages etc., assuming it has really been granted all the necessary privileges.
I'm not a DBA, but I have some basic understanding about how SQL Server is supposed to work. I'm having trouble translating this knowledge into getting a working Oracle XE database, so my girlfriend can play around with her bookstore coursework.
So, I installed Oracle XE database, and downloaded Oracle SQL Developer. I supplied a password, during installation, and using this password in conjunction with sys login in sysdba-mode, I'm able to connect and browse the database, which I can only assume is the master database, since there are numerous tables that have nothing to do with future bookstores.
I want to create a new - empty database, and I don't much care about how it's configured. It's a playpen for coursework. So I happily stab with:
create database bookstore
and recieve an error to the effect of:
ORA-01100: database already mounted
I just want to create a new database, so that if something goes wrong i can do a drop database bookstore instead of manually deleting tables and such. In SQL Server Management Studio you execute these statements on the master database, and then connect to the specific database you want to play with.
A SQL Server database is roughly equivalent to a schema in Oracle. And a schema in Oracle is a collection of objects owned by a particular user.
Given that, it appears that you want to do something like
Create a user
CREATE USER bookstore IDENTIFIED BY bookstore;
Grant privileges to the user
GRANT CREATE SESSION TO bookstore;
GRANT UNLIMITED TABLESPACE TO bookstore;
GRANT CREATE TABLE TO bookstore;
GRANT CREATE VIEW TO bookstore;
GRANT CREATE TYPE TO bookstore;
GRANT CREATE SYNONYM TO bookstore;
GRANT CREATE PROCEDURE TO bookstore;
GRANT CREATE SEQUENCE TO bookstore;
GRANT CREATE MATERIALIZED VIEW TO bookstore;
Now, you should be able to connect to the bookstore schema in the XE database and create whatever tables, views, triggers, etc. you want.
You just need to create a schema in the database you already have. A schema in Oracle is sort of roughly equivalent to database in SQL Server, in some ways. Your girlfriend would use that schema as her playpen and you could drop it and recreate it easily. You should also create a user for her, which I think automatically creates a schema with same name as the user. But I would still create a dedicated coursework schema.
Oracle has extensive online documentation. Here's the master index for 10g. It's a bit daunting but you'll get to know your way around it.
I need some help with vocabulary, I don't use Oracle that often but I am familiar with MySQL and SQL Server.
I have an application I need to upgrade and migrate, and part of the procedure to do that involves exporting to an XML file, allowing the installer to create new database tables, then import to the new database tables from the XML file.
In Oracle, my database connection specifies a username, password, and an SID.
Let's call the SID, "COMPANY-APPS". This SID contains tables belonging to several applications, each of which connects with a different user ( "WIKIUSER", "BUGUSER", "TIMETRACKERUSER" ).
My question is:
Can I re-use the same user to create the new tables ( with the same names ).
In MySQL or SQL Server, I would create a new database and grant my user privileges to create tables in it.
OR, do I need to create a new database user for my upgraded tables?
The word you are looking for is Schema in Oracle. When you create a user they have a schema associated with them, so if I created the user 'Tim' and a table called 'data' then it can be found globally (in that database) as Tim.data