CHECK_CONSTRAINTS
Applies to: Databricks SQL Databricks Runtime Unity Catalog only
Reserved for future use.
INFORMATION_SCHEMA.CHECK_CONSTRAINTS will describe check constraints defined on tables.
Definition
The CHECK_CONSTRAINTS
relation contains the following columns:
Name |
Data type |
Nullable |
Standard |
Description |
---|---|---|---|---|
|
|
No |
Yes |
Catalog containing the check constraint. |
|
|
No |
Yes |
Schema containing the check constraint. |
|
|
No |
Yes |
Name of the check constraint. |
|
|
No |
Yes |
The text of the check constraint condition. |
|
|
No |
Yes |
Always |
Constraints
The following constraints apply to the CHECK_CONSTRAINT
relation:
Class |
Name |
Column List |
Description |
---|---|---|---|
Primary key |
|
|
Unique identifier for the constraint. |
Foreign key |
|
|
References TABLE_CONSTRAINTS. |