How do you modify a column in sql?
what is an execution plan? When would you use it? How would you view the execution plan? : Sql dba
Why use stored procedures?
What are tables and fields in the database?
what is the difference between truncate and delete statement? : Transact sql
How will you make performance better for application including front end and back
how to sort records in sql?
How to use transactions efficiently : transact sql
what is index? : Sql dba
What packages are available to pl/sql developers?
What are the uses of merge?
what are null values? : Sql dba
What are inner and outer joins examples of both?