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SQL PLSQL Interview Questions
Questions Answers Views Company eMail

How to add new employee details in an employee_details table with the following details

 726

What is synchronized subquery?

 707

What is a unique constraint?

 685

What is a temp table?

 662

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

 649

How to test for null values?

 689

What is the difference between the repeatable read and serializable isolation levels? : Transact sql

 626

Under what condition it is possible to have a page level lock and row lock at the same time for a query? : Transact sql

 622

Explain lock escalation? : Transact sql

 788

Explain how to use transactions efficiently : transact sql

 620

How do you determine the current isolation level? : Transact sql

 653

What are the conditions an underlying table must satisfy before a cursor can be used by a positioned update or delete statement? : Transact sql

 631

What is the default isolation level in sql server? : Transact sql

 662

Define concurrency control. : Transact sql

 661

What is pessimistic concurrency control? : Transact sql

 674

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Un-Answered Questions { SQL PLSQL }

How do I create a sql script?

637

what are properties of a transaction? : Sql dba

656

what is 'mysqlshow'? : Sql dba

671

Why is a trigger used?

622

Enlist the advantages of sql.

663




What do you mean by “trigger” in sql?

719

What type of database is sql?

688

Can you inner join the same table?

614

What is varchar used for?

645

What is record variable?

637

Explain architecture of sql server notification services?

696

Explain the insert into statements in sql?

658

Is the primary key an index?

695

What is the main difference between sql and pl/sql?

647

Can we use having without group by in sql?

631

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