Expressions.expr-primary-constant
A constant keyword
Format
SQL Format:
{ CURRENT_DATE | TRUE | FALSE | NULL } |
{ CURRENT_TIME | CURRENT_TIMESTAMP } [ ( Precision ) ]
ODBC Format:
{{ FN { CURRENT_DATE | CURDATE | CURTIME | NOW } [ ( ) ] }} |
{{ FN { CURRENT_TIME | CURRENT_TIMESTAMP } ( Precision ) }}
Remarks
Keywords that specify a constant value. Where Precision is an integer literal.
Keyword | Description |
---|---|
CURRENT_DATE | Returns the current date |
CURRENT_TIME | Returns the current time |
CURRENT_TIMESTAMP | Returns the current date and time |
CURDATE | Returns the current date |
CURTIME | Returns the current time |
NOW | Returns the current date and time |