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 trigger explain it?

1015

What are triggers and its types?

1062

What are basic techniques of indexing?

1384

What is the difference between inner join and left join?

989

What does dml mean?

986

What's the difference between a primary key and a clustered index?

986

What are inner and outer joins examples of both?

960

What does data normalization mean?

962

Why join is faster than subquery?

1111

What is before trigger?

999

Which is faster union or join?

972

Why is a primary key important?

1042

What is mutating trigger?

1019

Which is better cte or subquery?

1028

Is it possible to update views?

959

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Un-Answered Questions { SQL PLSQL }

what is a join? : Sql dba

1035

What is view? Can we update view

1439

Does sql use python?

1029

Explain how can you save or place your msg in a table?

1028

What is the maximum number of triggers, you can apply on a single table?

998

How to convert comma separated string to array in pl/sql?

1184

Mention what is the use of function "module procedure" in pl/sql?

1049

what is the difference between a having clause and a where clause? : Sql dba

1087

what is the difference between char and varchar data types? : Sql dba

1112

How to select 10 records from a table?

1157

how many ways we can we find the current date using mysql? : Sql dba

1099

explain the difference between myisam static and myisam dynamic. : Sql dba

944

How can you know that statistics should be updated?

1079

What is substitution variable?

1052

How do you create an update query?

962

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