sql-expression is described in sql-expression. Details: An IN condition tests if the column value that is returned by the sql-expression on the left is a member of the set (of constants or values ...

SQL-compliant conditional expressions are available in EDB Postgres Advanced Server. CASE. The SQL CASE expression is a generic conditional expression, similar to if/else statements in other languages ...

query-expression is described in query-expression. USER is a literal that references the userid of the person who submitted the program. The userid that is returned is operating environment-dependent, ...