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SQL PLSQL Interview Questions
Questions Answers Views Company eMail

Can a foreign key be a duplicate?

 497

Can a foreign key have a different name?

 503

Can a key be both primary and foreign?

 500

Can a primary key be a foreign key?

 564

Can a table have no primary key?

 543

Can a varchar be a primary key?

 532

Can primary key be changed?

 517

Can there be 2 primary keys in a table?

 544

Can we create foreign key without primary key?

 525

Can we enter data in a table in design view?

 510

Do foreign keys improve performance?

 534

Does a primary key have to be a number?

 506

How do I turn a list into a table?

 495

How do you create a db file?

 510

Is a foreign key always unique?

 520

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Un-Answered Questions { SQL PLSQL }

how many triggers are allowed in mysql table? : Sql dba

550

What are different categories of sql commands?

625

Is grant a ddl statement?

444

How do I create a sql script?

525

what is data integrity? : Sql dba

585




What is a primary key? Explain

528

Does sql backup shrink transaction log?

543

What is assignment operator in pl sql?

549

What is the mutating table and constraining table?

544

How do I find duplicates in the same column?

523

Will truncate release space?

508

Name the operator which is used in the query for pattern matching?

494

What are its different types of dbms?

525

What is flag in sql?

529

What is primary key and foreign key with example?

484

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