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 6884

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

Accenture,

1 10124

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

Oracle, TCS,

4 21063

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 6464

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

IBM, TCS,

3 10314

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 14184

What is nvl function?

Cap Gemini,

4 13085

what is 'force view'?

Cap Gemini, SPIC,

3 18396

Can we interchange parameters in procedure while calling

TCS,

1 7546

What is different between union and minus?

Accenture, TCS,

7 23738

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

1 4592

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 4017

how to findout the 100th maximum salary

Amdocs,

28 30139

How to call the function and Procedure in trigger?

IBM,

3 11576

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 7979

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Un-Answered Questions { SQL PLSQL }

What is indexing oracle sql?

1105

How to use transactions efficiently : transact sql

1058

Can we use update in sql function?

1064

What are types of joins?

965

How do I quit sql?

963

What is pl sql architecture?

961

What are the possible values for the boolean data field?

963

Is sql similar to python?

976

What is database white box testing and black box testing?

1111

What are the two different parts of the pl/sql packages?

1087

What is sorting in sql?

948

What are the different ways to optimize a sql query?

946

Explain the select statement in sql?

1112

Can you have more than one trigger on a table?

1003

what is the difference between where clause and having clause? : Sql dba

1000

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