Why use subqueries instead of joins?
what is unique key constraint? : Sql dba
I i have 2 tables A & B ,A contains 10 records B contains 20 records ,what w'll be the o/p if we perform equijoin,outer join,right outer join,left outer join,full outer join,cross join seperately Can anyone help on this?
write sub query for eliminating duplicate rows using analytical function?
How to run pl/sql statements in sql*plus?
Explain what is an index?
Can we join tables without foreign key?
Does a join table need a primary key?
How to run sql statements with oracle sql developer?
How does one load ebcdic data? : aql loader
Explain the order of sql statement execution?
What is difference between ms sql and mysql?
how to fetch alternate records from a table? : Sql dba