Catalog Table Pdf For Free

The catalog tables describe such things as table spaces, tables, columns, indexes, privileges, application plans, and packages. Authorized users can query the catalog; however, it is primarily intended for use by Db2 and is therefore subject to change. All catalog tables are qualified by SYSIBM.

Below SQL query can be fired in order to find the primary key of a particular table. SELECT NAME FROM SYSIBM. SYSCOLUMNS WHERE TBNAME = 'TAB1' AND KEYSEQ > 0 ORDER BY KEYSEQ ASC; We will use our table name in the TBNAME column of SYSCOLUMNS table using the WHERE clause and KEYSEQ > 0 will return only primary keys.

A catalog table is one that returns information about another table, or data source. It is similar to what MariaDB commands such as DESCRIBE or SHOW do.

Db2 catalog tables. The qualifier for all catalog table names is SYSIBM.

Catalogs are named collections of schemas in an SQL-environment. An SQL-environment contains zero or more catalogs. A catalog contains one or more schemas, but always contains a schema named INFORMATION_SCHEMA that contains the views and domains of the Information Schema.

The catalog tables describe such things as table spaces, tables, columns, indexes, privileges, application plans, and packages. Authorized users can query the catalog; however, it is primarily intended for use by Db2 and is therefore subject to change. All catalog tables are qualified by SYSIBM.

Tables catalog view returns the columns that are specific to tables and also all the columns that the sys. objects catalog view returns. The sys. objects catalog view returns rows for objects other than tables, such as stored procedures and views.