Glory Tips About How To Check Spool Space In Teradata
Most of the times i got spool spaces errors using teradata it was caused by having skewed data.
How to check spool space in teradata. If you want to use the objects under a specific database / user, you can run the help command in. Users without spool space cannot execute any query. If you are using multiple tables, check if you are using alias names instead of referring the complete table.
There is no formula to calculate it. Spool space is the unused permanent space which is used by the system to keep the intermediate results of the sql query. Create this mdc_cobalt_det table as a nopi table and check data distribution in fields chosen to be your primary index.
Spool space typically refers to disk space that is available to run queries. Granting privileges directly to users. Using a constant expression to specify the spool space for a profile.
The following request creates spool with a size based on the constant expression 2,000,000. Defining the default role for a user. The system automatically creates and drops spool files which it uses as temporary work tables to execute queries.
To check for either types of spool problems, run the following query when the system is most quiescent and when there are the least amount of users logged on: Have your dba check the. Sometimes, one of two potential problems.
Assign roughly 0.25% of the total space to each user as an. Spool space spool space *is work space acquired automatically by the system and used for work space and answer sets for intermediate and final results of teradata sql. You can find out the total space of teradata system using the following query.