SQL PLSQL Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

SQL PLSQL Interview Questions

Questions Answers Views Company eMail

What is a natural join?

1074

What is full join?

953

What is the difference between left join and left outer join?

1 1578

What does inner join mean?

1167

Which one is better subquery or joins?

1062

What is thread join () in threading?

1015

What is the difference between left outer join and left join?

995

What is a left join?

954

Which is better join or inner query?

1048

Is left join and outer join same?

1069

How do you use join?

941

What is difference between left and right outer join?

987

What is faster join or subquery?

1011

What does an inner join do?

1182

What is a left inner join?

1015

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Un-Answered Questions { SQL PLSQL }

What are different types of queries in sql?

1121

Is primary key always clustered index?

1023

what is 'mysqlimport'? : Sql dba

1054

How can you maintain the integrity of your database on instances where deleting an element in a table result in the deletion of the element(s) within another table?

1134

What is a file delimiter?

1096

what are the authentication modes in sql server? : Sql dba

1064

Does a primary key have to be a number?

963

Can we edit a view in sql?

983

What is orm in sql?

1050

What is the difference between syntax error and runtime error?

1142

Which sql statement is used to return only different values?

1003

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

963

What is pl/sql language case sensitive?

1127

What is the need of merge statement?

1038

Can primary key be changed?

905

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