primary_key¶
Description¶
Specify the primary key for some verbs
Return type¶
primarykey
Domain¶
This is a scalar function (calculates a single output value for a single input row.)
Categories¶
Usage¶
primary_key(column_1, column_2, ...)
Argument |
Type |
Optional |
Repeatable |
Restrictions |
|---|---|---|---|---|
column |
storable |
no |
yes |
column |
Aliases¶
pk, primarykey (deprecated)