Dynamic SQL Normally DDL,DCL commands are not allow in PLSQL block, ... After this if we execute program more number of times also data will be displayed only once. 54 ...

To understand what is DDL, it’s important to know that DDL statements play a crucial role in database management systems (DBMS) by allowing users to define and modify the structure of the database.

Migrated issue, originally created by Wichert Akkerman (@wichert) Unfortunately not all DDL commands for PostgreSQL can be used in a transaction. I ran into this when trying to add a new value to a ...