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?

911

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?

1062

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?

969

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?

961

How do you create a db file?

1016

Is a foreign key always unique?

942

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Un-Answered Questions { SQL PLSQL }

What is write ahead logging in sql server?

1050

what are the t string functions available in tsql? : Transact sql

1007

Does inner join remove duplicates?

941

what is self-join? : Sql dba

1162

Is postgresql a server?

1052

How do I run a sql script?

1147

Is left join inner or outer by default?

1019

What is sql architecture?

1048

How would you pass hints to the sql processor?

981

what is innodb? : Sql dba

1105

What is the difference between sql, mysql and sql server?

1102

What is a native sql query?

1069

What is database sql?

1051

How to rename a table?

1020

how to fetch alternate records from a table? : Sql dba

1112

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