The simplest tool to connect to an Oracle server and run commands to manage data is SQL*Plus. It is an Oracle database client tool that works as a command-line user interface to the database server. SQL*Plus allows you:
► Format, perform calculations on, store, and print from query results.
► Examine table and object definitions.
► Develop and run batch scripts.
► Perform database administration.
Do you need a commit after DDL statements?
How would you pass hints to the SQL processor?
what is the difference between group by and order by?
A DBA had to remove some Archivelogs to free up space in filesystem. Now when the RMAN job starts to backup Archivelogs, it complains about missing Archivelogs that were deleted by DBA. To resolve the issue and continue backing up remainder of Archivelogs, which RMAN command can be used so it wo not complain about missing Archivelogs.
Which RMAN command is used to create an exact replica of a database in new host?
How do you install Statspack?
Process you follow to start looking into Performance issue at database level (If the application is running very slow, at what points do you need to go about the database in order to improve the performance?)
Explain below wait events in STATSPACK report DB SCATTERED READ, DB SEQUENTIAL REAL, ENQUEUE?
List five most important parameter in 9i affecting performance?
What is PGA_AGGREGATE_TARGET?
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