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

SQL PLSQL Interview Questions

Questions Answers Views Company eMail

1. what is the exact use of hint in sql. 2. How we can avoid index scan in sql even though index is there in the table.

Polaris,

1 6948

SQL Tuning, Oracle Server 10g: Why is the following hint invalid? SELECT /*+ first_rows parallel(table_name,paral_number)*/

Accenture,

1 10214

How to create a view on a table which does not exists

Oracle, TCS,

4 21211

I have a package in which a table was used in a procedure and compiled later i have dropped the table used in the package what would be the status of package specification and body

TCS,

1 6532

why we go for package? what are the advantages of using instead of seperate procuderes or functions

IBM, TCS,

3 10453

there is A table and B table in A table there 5 rows and in b table there are 2 rows i am firing query select * from a,b what will be the output?

Cognizant,

7 14379

What is nvl function?

Cap Gemini,

4 13258

what is 'force view'?

Cap Gemini, SPIC,

3 18517

Can we interchange parameters in procedure while calling

TCS,

1 7613

What is different between union and minus?

Accenture, TCS,

7 24003

how to create a database in oracle?please gve anser with example

1 4667

how to delete duplicate rows from a join tables(I have three tables on that join) how do you know which join is need to be used? The select statement I have is: SELECT gc_skill_type.skill_type, gc_area_tec.area, gc_technology.technology, gc_technology.id_technology, gc_area_tec.id_area_tec FROM gc_skill_type, gc_area_tec, gc_technology WHERE gc_area_tec.id_skill_type (+) = gc_skill_type.id_skill_type AND gc_technology.id_area_tec (+) = gc_area_tec.id_area_tec order by gc_skill_type.skill_type asc, gc_area_tec.area asc, gc_technology.technology asc

IAS,

1 4090

how to findout the 100th maximum salary

Amdocs,

28 30978

How to call the function and Procedure in trigger?

IBM,

3 11688

Like shown below i have 3 columns(Name,No,Address). The values in name column i want to modity. Requirement : Keep only once space between two words (Fname,Lname) in the Name column. For this what is the query? Please answer me. Advance Thanks. Name No Address Reference manoj kumar kumar raja vinzay kumar rajendra prasad gowri nath -- -- --

5 8149

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Un-Answered Questions { SQL PLSQL }

explain advantages of myisam over innodb? : Sql dba

1111

Is left join inner or outer?

1055

Explain the the update statement in sql?

1099

How we can update the view?

1096

Can pl sql procedure have a return statement?

1071

What is sql procedures and functions?

1071

What is sql lookup?

970

What is compute?

1148

What are the query optimization techniques?

995

What sql database should I use?

1192

What are all the ddl commands?

1240

Why is sql important?

1169

How do I get sql certification?

1015

what is a table in a database ? : Sql dba

1088

Why stored procedures are faster than query?

1076

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