Delete DB2 Primary Key: Quick Guide

To remove the primary key of a table, you can follow these steps:

1. First, use the following command to view the primary key constraint name of the table:
2. Retrieve the constraint name from the system catalog where the table name is ‘your_table_name’.
3. Please replace your_table_name with the actual table name.
4. Based on the primary key constraint name found in the previous step, use the following command to delete the primary key constraint:
5. Drop the primary key from your table.
6. Please replace “your_table_name” with the actual table name.
7. Finally, if necessary, you can use the following command to delete the primary key constraint records in the system table.
8. Remove all rows from the syscat.keycoluse table where the tabname column is equal to ‘your_table_name’.
9. Please substitute your_table_name with the actual table name.

By following the steps above, you can successfully delete the primary key of the table. Make sure to backup your data before proceeding with this operation and proceed with caution.