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

SQL PLSQL Interview Questions

Questions Answers Views Company eMail

Does normalization improve performance?

1034

How can you tell the difference between an index and a view?

937

Do we need to create index on primary key?

929

How many columns should be in an index?

963

How is indexing done in search engines?

982

How many subqueries can be nested in a statement?

982

How many clustered indexes can you have?

973

How do you explain an index?

1282

How many types of normalization are there?

959

How do you write an index?

965

Is clustered index a primary key?

949

How do I delete a trigger?

965

How do you delete a table?

1074

How do I remove duplicates in two columns?

1065

How do I find duplicates in two columns?

1167

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Un-Answered Questions { SQL PLSQL }

Can a foreign key be a duplicate?

910

how to convert dates to character strings? : Sql dba

1169

What is difference between sql and oracle?

1128

What is the difference between null value, zero, and blank space?

1203

What are the types of functions in sql?

1019

What is sql stand for?

983

What is varchar used for?

1078

What are % type and % rowtype?

1028

What is the use of primary key?

1006

Which language is used in sql?

1057

what is primary key? : Sql dba

1028

How do you respond to dementia behavior?

968

What mean sql?

1007

What is right join in sql?

1089

How do I order by ascending in sql?

1020

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