TABLES View¶

This Information Schema view displays a row for each table and view in the specified (or current) database, including the views in the INFORMATION_SCHEMA schema itself.

See also:: COLUMNS View , VIEWS View

Columns¶

Column Name	Data Type	Description
TABLE_CATALOG	TEXT	Database that the table belongs to
TABLE_SCHEMA	TEXT	Schema that the table belongs to
TABLE_NAME	TEXT	Name of the table
TABLE_OWNER	TEXT	Name of the role that owns the table
TABLE_TYPE	TEXT	Whether the table is a base table, temporary table, or view
IS_TRANSIENT	TEXT	Whether this is a transient table
CLUSTERING_KEY	TEXT	Clustering key for the table
ROW_COUNT	NUMBER	Number of rows in the table
BYTES	NUMBER	Number of bytes accessed by a scan of the table
RETENTION_TIME	NUMBER	Number of days that historical data is retained for Time Travel
SELF_REFERENCING_COLUMN_NAME	TEXT	Not applicable for Snowflake.
REFERENCE_GENERATION	TEXT	Not applicable for Snowflake.
USER_DEFINED_TYPE_CATALOG	TEXT	Not applicable for Snowflake.
USER_DEFINED_TYPE_SCHEMA	TEXT	Not applicable for Snowflake.
USER_DEFINED_TYPE_NAME	TEXT	Not applicable for Snowflake.
IS_INSERTABLE_INTO	TEXT	Not applicable for Snowflake.
IS_TYPED	TEXT	Not applicable for Snowflake.
COMMIT_ACTION	TEXT	Not applicable for Snowflake.
CREATED	TIMESTAMP_LTZ	Creation time of the table
LAST_ALTERED	TIMESTAMP_LTZ	Date and time when the table was last altered by a DDL or DML operation.
LAST_DDL	TIMESTAMP_LTZ	Timestamp of the last DDL operation performed on the table or view, including database refreshes for replication (if the refresh changes visible properties for the table/view).
LAST_DDL_BY	TEXT	Username of the user who performed the last DDL operation on the table or view.
AUTO_CLUSTERING_ON	BOOLEAN	Whether automatic clustering is enabled for the table
COMMENT	TEXT	Comment for this table

Usage Notes¶

The view only displays objects for which the current role for the session has been granted access privileges. The view does not honor the MANAGE GRANTS privilege and consequently may show less information compared to a SHOW command when both are executed with a role that was granted the MANAGE GRANTS privilege.

This behavior also applies to other account-level privileges and Information Schema views for which there is a corresponding SHOW command.
Querying the sum(bytes) for a table does not represent the total storage usage, because the amount does not include Time Travel and Fail-safe usage.
The view does not include tables that have been dropped. To view dropped tables, use SHOW TABLES instead.
To view only tables in your queries, filter using a WHERE clause, e.g.:

... WHERE table_schema != 'INFORMATION_SCHEMA'

Examples¶

Retrieve the size (in bytes) of all tables in all schemas in the mydatabase database:

SELECT TABLE_SCHEMA,SUM(BYTES)
    FROM mydatabase.information_schema.tables
    GROUP BY TABLE_SCHEMA;

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