Updated on 2022-09-23 GMT+08:00
where_condition
Syntax
Description
|
Syntax |
Description |
|---|---|
|
where_condition |
Judgment condition of where. |
|
and |
Logical operator: AND |
|
or |
Logical operator: OR |
|
not |
Logical operator: NOT |
|
( |
Start of the subjudgment condition. |
|
) |
End of the subjudgment condition. |
|
condition |
Judgment condition. |
|
exists |
Keyword used to determine whether a non-empty collection exists. If exists is followed by a subquery, then the subquery must contain a judgment condition. |
|
in |
Keyword used to determine whether attributes are in the same collection. |
|
attrs_value_set_expr |
Collection of attribute values. |
|
attr_expr |
Attribute expression. |
Parent topic: Identifiers
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