Difference between revisions of "SQL System Tables"
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Revision as of 12:54, 25 March 2009
SYSTEM TABLES
Class
SQL Applications
Purpose
System-defined read-only views
See Also
Description
System Tables are system defined read-only tables. You can query these tables using the SELECT statement. The following is an alphabetical reference of the System Tables accessible to all users.
| Table | Remarks |
|---|---|
| SYSACTIVEUSERS | Description of currently active users on the system |
| SYSBESTROWIDENTIFIER | Description of a table’s optimal set of columns that uniquely identifies a row |
| SYSCATALOGS | Catalog names available in the database |
| SYSCOLUMNCONSTRAINTS | Description of the constraints for a table’s columns |
| SYSCOLUMNPRIVILEGES | Description of the access rights for a table’s columns |
| SYSCOLUMNS | Description of the table columns available in the catalog |
| SYSCROSSREFERENCE | Description of how one table imports the keys of another table |
| SYSEXPORTEDKEYS | Description of the foreign key columns that reference the primary key columns |
| SYSIMPORTEDKEYS | Description of the primary key columns that are referenced by the foreign key |
| SYSINDEXINFO | Description of a table’s indices and statistics |
| SYSIOSTATS | Facility for monitoring table and index file I/O operations |
| SYSLOGGING | System Logging information |
| SYSPRIMARYKEYS | Description of the primary key columns in the table |
| SYSPROCEDURECOLUMNS | Description of the input, output and results associated with certain stored procedures available |
| SYSPROCEDURES | Description of the stored procedures available in the catalog |
| SYSRESULTSET | Used to return the singleton result from any Recital expression |
| SYSSCHEMAS | Schema names available in the database |
| SYSTABLECONSTRAINTS | Description of the constraints for each table available in the catalog |
| SYSTABLEPRIVILEGES | Description of the access rights for each table available in the catalog |
| SYSTABLES | Description of the tables available in the catalog |
| SYSTABLETYPES | Table types available in the database system |
| SYSTYPEINFO | Description of all data types supported by the database |
| SYSUDTS | Description of the user-defined types (UDTs) defined in the schema |
| SYSVERSIONCOLUMNS | Description of the columns in a table that are automatically updated when any row is updated |
