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?

858

Can a foreign key have a different name?

889

Can a key be both primary and foreign?

944

Can a primary key be a foreign key?

969

Can a table have no primary key?

1009

Can a varchar be a primary key?

954

Can primary key be changed?

869

Can there be 2 primary keys in a table?

951

Can we create foreign key without primary key?

932

Can we enter data in a table in design view?

911

Do foreign keys improve performance?

965

Does a primary key have to be a number?

916

How do I turn a list into a table?

906

How do you create a db file?

957

Is a foreign key always unique?

883

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Un-Answered Questions { SQL PLSQL }

How do I sort a table in sql?

983

What are the types of records?

952

what is the difference between blob and text? : Sql dba

961

explain commit and rollback in mysql : sql dba

937

Is truncate ddl or dml?

943

How can you load microsoft excel data into oracle? : aql loader

1128

What is normalization in sql?

962

what is the difference between join and union? : Sql dba

1028

Is sql open source?

915

Why schema is used in sql?

984

what is a trigger in mysql? : Sql dba

1068

How many types of relationship are there?

974

How does sql profiler work?

965

how to calculate expressions with sql statements? : Sql dba

980

Explain autonomous transaction.

1094

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