triggers
Overview
Stores all table information.
Database
information_schema
Table Information
Column Name | Type | Description |
---|---|---|
TABLE_CATALOG | varchar(512) | The Catalog to which the table belongs |
TABLE_SCHEMA | varchar(64) | The Database to which the table belongs |
TABLE_NAME | varchar(64) | The name of the table |
TABLE_TYPE | varchar(64) | The type of the table, including: SYSTEM VIEW, VIEW, BASE TABLE |
ENGINE | varchar(64) | The storage engine type of the table |
VERSION | bigint | Invalid value |
ROW_FORMAT | varchar(10) | Invalid value |
TABLE_ROWS | bigint | Estimated number of rows in the table |
AVG_ROW_LENGTH | bigint | Average row size of the table |
DATA_LENGTH | bigint | Estimated size of the table |
MAX_DATA_LENGTH | bigint | Invalid value |
INDEX_LENGTH | bigint | Invalid value |
DATA_FREE | bigint | Invalid value |
AUTO_INCREMENT | bigint | Invalid value |
CREATE_TIME | datetime | The time when the table was created |
UPDATE_TIME | datetime | The time when the table data was last updated |
CHECK_TIME | datetime | Invalid value |
TABLE_COLLATION | varchar(32) | Fixed value: utf-8 |
CHECKSUM | bigint | Invalid value |
CREATE_OPTIONS | varchar(255) | Invalid value |
TABLE_COMMENT | varchar(2048) | Comments on the table |