I am new to oracle. I just want to drop a table if it exists and then recreate it. in sql server i used to do IF EXISTS(SELECT * FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_NAME=XXX) DROP TABLE xxx How do I do it in Oracle? You need a create controlfile script for recreating control files. On the other side, we are able to manually create a new control file for a Therefore you don't specifically need to recreate the control files. Documents Similar To Drop and Create Oracle Enterprise Manager Manually. Carousel Previous Carousel Next. Adityanath's Oracle Blog. My thoughts on Oracle. Many a time situation comes, when undo tablespace becomes very big in size and due to space crunch , we need to recreate Is there any way to reclaim space manually from unexpired undo and how to check who is using unexpired undo. Try recreating the instance (this will also create the service 'OracleService' if it does not exist): oradim -delete oradim -new -sid -intpwd oracle -startmode Whilst these values can be changed manually, it is probably safer to use the 'oradim' commands above to recreate the instance. Manually upgrading Oracle 11g database to Oracle 12c. Tuesday, March 24, 2015. Manual upgrading Oracle database 11g to 12c. 6) Only for Windows platform, stop the OS level service, delete the service and then recreate the service by executing oradim.exe from Oracle 12c home. How to drop and recreate UNDO Tablespace in Oracle 9i/10g/11g? Solution: 1. Determine the size of your undo tablespace. SQL> select sum(bytes)/1024/1024/1024 from dba_data_files where tablespace_name='UNDOTBS1'; SUM(BYTES) Even if your company standardizes on using the GUI tools, such as DBCA, it would be a good idea to create a database manually at least once, not only to So We can Manually create a new control file for a database using the CREATE CONTROLFILE statement. The following statement creates a new control file for For example, assume that when we created the database or recreated the control files, we set MAXLOGFILES to 3. Suppose that now Creating the Oracle Database through SQL Commands. This section presents the steps involved when you create a database manually. These steps should be followed in the order presented. Before you create the database make sure you have done the planning about the size of the database, number Recreate Database Console. Using EMCA with Real Application Clusters. Database will not Quiesce when Dropping Database Control. This article provides steps-by-step details on how to create, drop and recreate the Database Control Repository and configuration files in an Oracle 10g or Oracle 11g