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

SQL PLSQL Interview Questions

Questions Answers Views Company eMail

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

1091

What is synchronized subquery?

1168

What is a unique constraint?

1070

What is a temp table?

1024

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

1203

How to test for null values?

1050

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

1098

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

984

Explain lock escalation? : Transact sql

1196

Explain how to use transactions efficiently : transact sql

979

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

1158

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

1001

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

1023

Define concurrency control. : Transact sql

1187

What is pessimistic concurrency control? : Transact sql

1087

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Un-Answered Questions { SQL PLSQL }

Describe types of sql statements?

1056

Is a table valued function object?

1016

What are reports usually used for?

1023

Does truncate require commit?

972

what is sql profiler? : Sql dba

1041

What is AUTH_ID and AUTH_USER in pl/sql ?

2193

What are inner outer left and right joins in sql?

1015

What are the sql versions?

943

Can I copy :old and :new pseudo-records in/to an oracle stored procedure?

1209

How does sql*loader handles newline characters in a record? : aql loader

1044

What is the purpose of normalization?

1040

What are sql data types?

1024

Does postgresql run on the cloud?

1144

Which is faster truncate or drop?

1045

What is the starting oracle error number? What is meant by forward declaration in functions?

994

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