DBACOCKPIT

Logical Lock Vs Physical Lock in SAP

This morning I had a chat with an ABAPer who has few months of experience after training. While discussing he said if a table is ENQUEUED (locked for change) in one session, no one else…


Expensive SQL Statements

Expensive SQL statements: These are defined as sql statements that cause database to read many blocks from disk or buffer. a) User point of view: When transactions using these statements are executed, the response time is…