What is number function in sql?
969
What is the difference between nvl function, ifnull function, and isnull function?
1103
Whis is not false in primary key?
1454
Why use subqueries instead of joins?
1079
Can a primary key be a foreign key?
1022
How do you delete a table?
1074
What is the use of triggers?
1037
What is Difference Between Unique and Primary Key Constraints?
1105
Can one improve the performance of sql*loader? : aql loader
1046
Are stored procedures faster than queries?
944
how to create a table index in mysql? : Sql dba
1061
what are local and global variables and their differences? : Sql dba
1070
What is the process of debugging?
1069
How do sql databases work?
994
What are tables and fields in the database?
1111