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 string join?

979

What is difference between inner join and cross join?

969

Which is faster joins or subqueries?

991

Is left join inner or outer by default?

1019

Is left join same as inner join?

1130

Can we join two tables without common column?

1005

Can we use joins in subquery?

1165

Which join is like inner join?

1028

What is the difference between an inner join and an outer join?

1027

Which join is like an inner join?

1027

Can we use join in subquery?

1095

What does joining a thread mean?

1021

What is difference between joins and union?

1127

Does inner join return duplicate rows?

978

Is join same as left join?

1041

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Un-Answered Questions { SQL PLSQL }

Why commit is not used in triggers?

1040

Why self join is used in sql?

977

Can a table contain multiple primary key’s?

1098

Explain the difference between triggers and constraints?

975

What are the types of sql commands?

1103

what is the difference between mysql_fetch_array and mysql_fetch_object? : Sql dba

1068

What is mutating trigger?

1023

What is the difference between nested table and varray?

1003

What is sql integrity?

1161

How delete all data from all tables in sql?

946

What is data type in sql?

966

explain the advantages and disadvantages of stored procedure? : Sql dba

1009

Is primary key is clustered index?

1002

What is the difference between sum and count in sql?

986

Can we use update in sql function?

1064

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