Oracle DBA

To drop database links from multiple user schemas in Oracle, the typical method is to log in as each user and manually execute the command: DROP DATABASE LINK <database_link>; However, there’s a more efficient way to achieve this by creating a PL/SQL procedure. This procedure allows you to drop database links across various schemas without […]

In Oracle, processing a SQL statement follows several steps before returning the final output to the user. Each step ensures the statement is executed efficiently and securely. 1. Syntax Check The first step in processing a SQL statement is a syntax check. Oracle verifies whether the SQL statement is syntactically correct. If there’s an error […]