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

1136

What is synchronized subquery?

1216

What is a unique constraint?

1121

What is a temp table?

1069

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

1248

How to test for null values?

1089

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

1177

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

1037

Explain lock escalation? : Transact sql

1266

Explain how to use transactions efficiently : transact sql

1013

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

1199

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

1056

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

1079

Define concurrency control. : Transact sql

1233

What is pessimistic concurrency control? : Transact sql

1130

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Un-Answered Questions { SQL PLSQL }

how tsql statements can be written and submitted to the database engine? : Transact sql

1034

What is multiple columns?

1113

Is the primary key an index?

1073

What program will open a mdb file?

1014

Can we use join in subquery?

1142

What does over partition by mean in sql?

1039

How can you load multi line records? : aql loader

1121

What is the difference between a primary key and a unique key?

1101

What are different categories of sql commands?

1191

Can we join tables without foreign key?

1002

Does truncate remove indexes?

1074

Can we join same table in sql?

1063

Can variables be used in sql statements?

1071

What is a field in a database?

1097

What is primary key and unique key?

1160

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