SQL Plus - Concat

1 - About

The Concat system variable sets the character you can use to terminate a substitution variable reference if you wish to immediately follow the variable with a character that SQL*Plus would otherwise interpret as a part of the substitution variable name.

3 - Syntax

SET CON[CAT] {. | c | ON | OFF}


  • a period (.) is the default. SQL*Plus resets the value of CONCAT to a period when you switch CONCAT on.
  • c is a character
  • ON and OFF turns respectively this function ON or OFF

4 - Management

4.1 - See

show concat

concat "." (hex 2e)

4.2 - Set

4.2.1 - Character

SET concat :

4.2.2 - On / Off

SET concat on

SET concat off

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