• Aug 01, 2013 · The two hashes are stored in the SYS.USER$ view (not into the DBA_USERS view): SQL> CREATE USER chumz IDENTIFIED BY chumz; User created. SQL> GRANT connect, resource TO chumz; Grant succeeded. SQL> CONNECT chumz/Chumz ERROR: ORA-01017: invalid username/password; logon denied Warning: You are no longer connected to ORACLE.
  • Jul 07, 2016 · There are a couple of ways to remove duplicate rows from a table in SQL e.g. you can use temp tables or a window function like row_number() to generate artificial ranking and remove the duplicates. By using a temp table, you can first copy all unique records into a temp table and then delete all data from the original table and then copy unique ...
  • 7,819 Views. Last Modified: 2013-12-19. I want to drop a user, It says "cannot drop a user that is already connected".
  • Nov 25, 2015 · Oracle SQL Developer enables developers and DBAs to browse, create, and update data in a database. Before you can perform those actions, however, you must create at least one database connection —an Oracle SQL Developer object containing the information needed to connect to a specific database as a specific user.
  • The name of the user that will be granted the EXECUTE privileges. Example. Let's look at some examples of how to grant EXECUTE privileges on a function or procedure in Oracle. For example, if you had a function called Find_Value and you wanted to grant EXECUTE access to the user named smithj, you would run the following GRANT statement:
  • WHERE type = 'USER'; The query filters by the type USER, because you are probably not interested in internal Oracle processes. The first column, USERNAME, contains a name of a database account that was used to establish the connection. The second column, MACHINE, is a name of a client host which the connection comes from.
  • SQL> connect dbauser/dbauser Connected. SQL> CREATE USER johndoe IDENTIFIED BY johndoe 2 DEFAULT TABLESPACE "USERS" 3 TEMPORARY If you used double quotes to create the user and give the password, then case becomes significant. I don't have an 11g DB here, but 10g allows...
  • To disconnect a user from the Oracle Database Server, you use the EXIT command: SQL> EXIT To connect the OT user to the sample database located in the PDBORCL pluggable database, you enter the following command:

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When cx_Oracle uses Oracle Client 12.2 or later, the session callback can also be the name of a PL/SQL procedure. A PL/SQL callback will be initiated only when the tag currently associated with a connection does not match the tag that is requested. A PL/SQL callback is most useful when using...
To disconnect a user from the Oracle Database Server, you use the EXIT command: SQL> EXIT To connect the OT user to the sample database located in the PDBORCL pluggable database, you enter the following command:

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Basis of Oracle PostgreSQL; Definition: Oracle is a relational management system.It is first database designed for grid computing. Unless DBA issues COMMIT command, no transaction is committed. DBMS > Microsoft SQL Server vs. Oracle vs. Teradata System Properties Comparison Microsoft SQL Server vs. Oracle vs. Teradata. DBMS > Oracle vs. PostgreSQL System Properties Comparison Oracle vs ...
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When Oracle performs a distributed SQL statement Oracle reserves an entry in the rollback segment area for the two-phase commit processing. This entry is held until the SQL statement is committed even if the SQL statement is a query.
SQL> connect bar/bar Connected. SQL> create or replace trigger bar_trig 2 after create on schema 3 begin 4 insert into mat.log values (systimestamp, 'bar', user, 5 ORA_DICT_OBJ_OWNER, ORA_DICT_OBJ_NAME); 6 end; 7 / Trigger created. Now let's create a table in foo's schema, as foo: SQL> connect foo/foo Connected.