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

SQL PLSQL Interview Questions

Questions Answers Views Company eMail

Can a foreign key be a duplicate?

910

Can a foreign key have a different name?

940

Can a key be both primary and foreign?

993

Can a primary key be a foreign key?

1022

Can a table have no primary key?

1061

Can a varchar be a primary key?

1009

Can primary key be changed?

905

Can there be 2 primary keys in a table?

997

Can we create foreign key without primary key?

985

Can we enter data in a table in design view?

968

Do foreign keys improve performance?

1022

Does a primary key have to be a number?

963

How do I turn a list into a table?

960

How do you create a db file?

1016

Is a foreign key always unique?

942

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Un-Answered Questions { SQL PLSQL }

How can we implement rollback or commit statement in a trigger?

1034

How would you pass hints to the sql processor?

980

What is partition by in sql?

1068

How much does sql cost?

998

Does asenumerable execute the query?

1043

what are all types of user defined functions? : Sql dba

1042

What is sql query limit?

976

What is pl sql in oracle?

1041

How do you respond to dementia behavior?

968

What are aggregate functions in sql?

1160

what is the difference between group by and order by in sql? : Sql dba

1128

column A column b | output 10 7 | 10 5 8 | 8 7 -9 | 7 3 5 | 5 0 6 | 6 Write a sql query to print such output.

7347

What is db journal file?

1064

Explain the uses of a database trigger?

1043

how to concatenate two character strings? : Sql dba

1100

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