Thursday, November 1, 2018

How many ways a Function can be invoked in Oracle SQL Statement?

Oracle Function can be invoked from the below clauses of SQL statements
• SELECT clause of SQL statement
• WHERE clause of a SELECT, UPDATE or DELETE statements and HAVING clauses of a SELECT statement
• VALUES clause of an INSERT statement
• SET clause of an UPDATE statement

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APEX$TASK_PK

  APEX$TASK_PK is a substitution string holding the primary key value of the system of records