Oracle Database - Flashback

Card Puncher Data Processing

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select flashback_on from v$database;

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Card Puncher Data Processing
Oracle Database - Flashback Query

In a Flashback Query operation (SELECT … AS OF), the SELECT statement explicitly specifies the point in time. For example, you can query a table as it appeared last Thursday at 2 p.m. When performing...
Card Puncher Data Processing
SQL Plus - Show (System Variable) Command

The SHOW command shows the value of: a SQLPlus system variable or the current SQLPlus environment. SHOW SGA requires a DBA privileged login. where option represents one of the following: ...

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