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

SQL PLSQL Interview Questions

Questions Answers Views Company eMail

How can I delete duplicate rows?

981

How do rank () and dense_rank () differ?

993

Are stored procedures faster than queries?

914

What schema means?

855

Is delete faster than truncate?

979

Can we use rowid as primary key?

954

How do you remove duplicate records from a table?

903

How do you truncate?

866

How many primary keys can a table have?

968

Does truncate remove indexes?

989

How can we find duplicate records in a table?

906

Can we insert data in view?

909

How do I remove all records from a table?

1047

Why truncate is faster than delete?

1068

Are subqueries faster than joins?

969

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Un-Answered Questions { SQL PLSQL }

What is the sql*loader? : aql loader

1027

Is left join faster than inner join?

1079

Why query optimization is needed?

883

How do you update sql?

930

How do I know if I have sql express or standard?

993

What are the different types of dbmss?

981

Which sql statement is used to delete data from a database?

917

What is sql keyword?

963

What information is needed to connect sql*plus an oracle server?

994

Is grant a ddl statement?

867

What are the three forms of normalization?

1008

What is the use of desc in sql?

935

What are the operators used in select statements?

1016

What are all ddl commands?

1033

What is exit statement?

970

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