Which kind of parameters cannot have a default value in pl sql?
What is a primary key, and how is it different from a unique key?
What is the difference between microsoft sql and mysql?
I have 2 Databases. How can create a table in particular database? How can i know the list of tables presented each database?( in oracle 10g)
how to rename an existing column in a table? : Sql dba
what is the difference between sql and t-sql? : Transact sql
How do I partition in sql?
What is clustered, non-clustured and unique index. How many indexes can be created on a table ?
Why self join is used in sql?
write an sql query to get third maximum salary of an employee from a table named employee_table. : Sql dba
display records from 5 to 9 using rowid or rownum
What is the difference between CHAR and VARCHAR2? If VARCHAR2 serves the uses of CHAR why CHAR is still used and not been discarded yet?
define join and explain different type of joins? : Sql dba