1. When the query optimization process is complete, what is selected to run the query?
2. What is the ability of a database to allow multiple users to affect multiple transactions ?
3. What is a part of a DBMS that determines the best execution of SQL queries?

Answer rating: 100% (QA)

1Query optimization is the process of selecting an efficient execution plan for evaluating the query After parsing of the query parsed query is passed to query optimizer which generates different exec... View the full answer