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SQL PLSQL Interview Questions
Questions Answers Views Company eMail

what is the difference between group by and order by in sql? : Sql dba

 596

what are the different functions in sorting an array? : Sql dba

 579

what are date and time data types in mysql? : Sql dba

 495

what is 'mysqlshow'? : Sql dba

 581

what is the difference between mysql_fetch_array and mysql_fetch_object? : Sql dba

 555

how to rename an existing column in a table? : Sql dba

 504

explain primary keys and auto increment fields in mysql : sql dba

 516

what is a constraint? Tell me about its various levels. : Sql dba

 557

explain the advantages and disadvantages of stored procedure? : Sql dba

 529

how to write date and time literals? : Sql dba

 528

what are the types of subquery? : Sql dba

 584

how do you login to mysql using unix shell? : Sql dba

 561

how can we know the count/number of elements of an array? : Sql dba

 568

how to include character strings in sql statements? : Sql dba

 551

what is meant by urlencode and urldocode? : Sql dba

 596

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Un-Answered Questions { SQL PLSQL }

how to drop an existing index in mysql? : Sql dba

531

What are field types?

533

Difference between truncate, delete and drop commands?

554

How does a trigger work?

531

How to fetch alternate records from a table?

675




Why do we use partitions in sql?

543

How do I filter in sql profiler?

534

What is query execution plan in sql?

563

Are subqueries faster than joins?

569

What is mutating error?

502

What do you understand by exception handling in pl/sql?

571

Define concurrency control. : Transact sql

582

What does t sql mean?

529

What is pl sql script?

560

If the application is running very slow? At what points you need to go about the database in order to improve the performance?

561

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