Syntax

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Read syntax diagramSkip visual syntax diagram>>-+--------+--SET--assignment-clause--------------------------><
   '-label:-'
 

assignment-clause:

Read syntax diagramSkip visual syntax diagram   .-,-----------------------------------------------------------------------.
   V                                                                         |
>>---+-+-SQL-parameter-name-+-- = --+-expression-+-------------------------+-+-><
     | '-SQL-variable-name--'       +-NULL-------+                         |
     |                              '-DEFAULT----'                         |
     |    .-,----------------------.               .-,--------------.      |
     |    V                        |               V                |      |
     '-(----+-SQL-parameter-name-+-+--)-- = --+-(----+-expression-+-+--)-+-'
            '-SQL-variable-name--'            |      +-NULL-------+      |
                                              |      '-DEFAULT----'      |
                                              '-row-fullselect-----------'