Catalog Table Resolution 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.

To list tables run the following commands: db2. connect to <database> list tables for schema <schema name> db2 => connect to TBSMHIST. Database Connection Information. Database server = DB2/LINUXX8664 9.7.0. SQL authorization ID = DB2INST1. ... db2 => list tables for schema TBSMHISTORY. Table/View Schema Type Creation time.

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.

These queries helpful to get Table structure easily. 3 Top SQL Queries to See Table Structure. DESCRIBE. SYSIBM.SYSCOLUMNS. ... With DESCRIBE. Describe schema .table_name. DESCRIBE TSY.MY_FIRST_TABLE. ... SYSIBM. SYSCOLUMS. SELECT * FROM SYSIBM. ... Using DB2LOOK. db2look -d dbname -e -t my_first_table. Here, DB2LOOK is the system command.

As the name implies, SYSIBM.SYSDUMMY1 is a dummy table. It contains one row and one column, which is named IBMREQD and contains a value of 'Y'. SYSIBM.SYSDUMMY1 is used extensively in SQL examples on the web and in the Knowledge Center.

The 4 major components are: System services component, which supports system operation, operator communication, logging and similar functions.

The 4 major components are: System services component, which supports system operation, operator communication, logging and similar functions.

SYSCOLUMNS table. The SYSIBM. SYSCOLUMNS is a DB2 system table which contains one row for every column of each table. It also contains the data related to the views. Below SQL query can be fired in order to find the primary key of a particular table.

An SQL Catalog is a named group of Schemas, one of which must be an Ur-Schema named INFORMATION_SCHEMA . (The INFORMATION_SCHEMA Schema is a set of Views and Domains that contain the descriptions of all the SQL-data belonging to that Catalog.)

Explanation. Tables, Views, Synonyms and Alias are logical objects which are used by users and developers.