What are precautions for using temporary tables in DB2 databases?

Source: Internet
Author: User

The following articles mainly describe some important points during the use of Temporary tables in the DB2 database. We all know that the command Declare Temporary Table is required for the creation of Temporary tables in the DB2 database, and must be created in the user's temporary tablespace;

Note the following when using temporary tables in the DB2 database:

1. The Temporary Table of DB2 needs to be created using the command Declare Temporary Table, and must be created on the Temporary Table space of the user;

2. When creating a database, DB2 does not create user temporary tablespaces by default. To use temporary tables, you must create user temporary tablespaces before creating temporary tables;

3. The temporary table mode is SESSION;

4. By default, when the Commit command is executed, all records in the temporary table will be deleted. This can be controlled by specifying different parameters when creating the temporary table;

5. When the ROLLBACK command is run, the user's temporary table will be deleted;

6. In DB2 version 8, logs can be recorded for temporary tables.

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The above content is a description of the precautions for temporary tables in the DB2 database. I hope it will help you in this regard.

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