System Info
This page lists the system info, like /proc in Linux.
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| Field | Type | Null | Key | Default | Extra |
| TABLE_CATALOG | varchar(512) | YES | false | | |
| TABLE_SCHEMA | varchar(64) | YES | false | | |
| TABLE_NAME | varchar(64) | YES | false | | |
| COLUMN_NAME | varchar(64) | YES | false | | |
| ORDINAL_POSITION | bigint | YES | false | | |
| COLUMN_DEFAULT | varchar(1024) | YES | false | | |
| IS_NULLABLE | varchar(3) | YES | false | | |
| DATA_TYPE | varchar(64) | YES | false | | |
| CHARACTER_MAXIMUM_LENGTH | bigint | YES | false | | |
| CHARACTER_OCTET_LENGTH | bigint | YES | false | | |
| NUMERIC_PRECISION | bigint | YES | false | | |
| NUMERIC_SCALE | bigint | YES | false | | |
| DATETIME_PRECISION | bigint | YES | false | | |
| CHARACTER_SET_NAME | varchar(32) | YES | false | | |
| COLLATION_NAME | varchar(32) | YES | false | | |
| COLUMN_TYPE | varchar(32) | YES | false | | |
| COLUMN_KEY | varchar(3) | YES | false | | |
| EXTRA | varchar(27) | YES | false | | |
| PRIVILEGES | varchar(80) | YES | false | | |
| COLUMN_COMMENT | varchar(255) | YES | false | | |
| COLUMN_SIZE | bigint | YES | false | | |
| DECIMAL_DIGITS | bigint | YES | false | | |
| GENERATION_EXPRESSION | varchar(64) | YES | false | | |
| SRS_ID | bigint | YES | false | | |