How can I see all tables in DB2?

To list tables run the following commands:

Table of Contents

db2.
connect to
list tables for schema
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.

What is Sysibm SYSDUMMY1 in DB2?

The DB2 SYSIBM. SYSDUMMY1 table contains one row. The purpose of it is, for SQL statements in which a table reference is required, but the contents of the table are not important.

How many columns can a DB2 table have?

Max number of columns in a table or view (depending on complexity of the view) or columns returned by a table function. 255 (this maximum limit is subject to additional limitations, depending on the number of partitions in the table space.

Which catalog table is used to store the details of all the tables in DB2?

SYSTABLES is one catalog table that records information when a table is created. DB2 inserts a row into SYSIBM.

How do I query a Db2 database?

Here is the simplest form of the SELECT statement:

SELECT select_list FROM table_name;
SELECT title FROM books;
SELECT title, isbn FROM books;
SELECT book_id, title, total_pages, rating, isbn, published_date, publisher_id FROM books;
SELECT * FROM books;
SELECT expression FROM sysibm.sysdummy1;

Which command is used to see the structure of table?

Since in database we have tables, that’s why we use DESCRIBE or DESC(both are same) command to describe the structure of a table. Syntax: DESCRIBE one; OR DESC one; Note : We can use either DESCRIBE or DESC(both are Case Insensitive).

How do you get DDL of a table in Db2?

Right-click the selected tables, and click Generate DDL in the pop-up menu. To open the Generate DDL notebook from a selected schema, from the Control Center, expand the object tree until you find the Schema folder of the database with which you are working. Click the Schema folder.

How do you get DDL of a table in DB2?

How do I query a table in Db2?

Db2 SELECT

SELECT select_list FROM table_name;
SELECT title FROM books;
SELECT title, isbn FROM books;
SELECT book_id, title, total_pages, rating, isbn, published_date, publisher_id FROM books;
SELECT * FROM books;
SELECT expression FROM sysibm.sysdummy1;
SELECT CURRENT_DATE FROM sysibm.sysdummy1;

How do I run a query in Db2?

Procedure

Start the command line processor, and set command line processor options.
Run SQL statements to query and modify data.
Terminate the command line processor, and restart it with a different set of options.
Create and call a stored procedure.