Why join is faster than subquery?

588

What are the different types of joins in sql?

570

what is index? : Sql dba

548

Do triggers have restrictions on the usage of large datatypes, such as long and long raw?

674

How do I order columns in sql?

514

How can the performance of a trigger be improved?

581

What is the difference between sum and count in sql?

508

What does the sign mean in sql?

493

What has stored procedures in sql?

583

What are data types in pl sql?

546

What company owns postgresql?

553

What will you get by the cursor attribute sql%rowcount?

543

What problem one might face while writing log information to a data-base table in pl/sql?

548

Can we perform dml on view?

544

How does a self join work?

506