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

SQL PLSQL Interview Questions

Questions Answers Views Company eMail

write sub query for eliminating duplicate rows using analytical function?

Metric Stream,

3 12997

what is switch column,colums cost in oracle?

Metric Stream,

3676

what are the tunnig tables you used for tuning a query and tell me some of coloumns in that tuning tables?

Metric Stream,

1 9314

we have a package and we have grants to execute that package inside of that we have table, here we don't have privileges to this table? whether this package will execute or not?

TCS,

3 8876

display records from 5 to 9 using rowid or rownum

Agile Software,

5 16048

How to update salary of employees department wise?

6 15189

what are the methods using performance tunning in sql and pl/sql

2 6625

i have a table like this. i want to output like this c1 c2 c1 c2 1 10 1 10 2 20 2 30 3 30 3 60 4 40 4 100 5 5 5 105 c1 and c2 are columns in a table .i want output like this c2 values are 10,10+20,10+20+30,10+20+30+40.10+20+30+40+5. write a sql query.pls help this i want urgent.

IBM, Loginworks, OFSS,

2 10654

How do you display "13th of November, 17 days left for month end" without hardcoding the date.

3 7358

How do you use collections in procedure to return the resultset?

2238

How to get second highest salary from a table

3 7167

What is the maximum number of triggers,can apply to a single table?

2 8874

What packages(if any) has oracle provided for use by developers?

1 5811

25.67,-1 Trunc = 20 Round= 30 HOW????

Karrox,

2 7722

i have a customer table. trans_id trans_date trans_amt debit_credit_indicator 001 01-JAN-13 1099 cr 001 12-JAN-13 500 db 002 24-FEB-13 400 db 002 23-MAR-13 345 cr 001 18-APR-13 800 cr 002 15-MAR-13 600 db 001 12-FEB-13 200 cr i want like this output. trans_id trans_amt debit_credit_indicator i want get highest credit amount and lowest credit amount and highest debit amount and lowest debit amount for each trans_id.

Oracle,

2 6221

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Un-Answered Questions { SQL PLSQL }

How do I view a sql trace file?

1027

discuss about myisam key cache. : Sql dba

1021

Write a query to find the names of users that begin with "um" in sql?

996

How do I truncate a word?

1090

What are inner and outer joins examples of both?

960

How many sql are there?

996

What is procedure in pl sql?

1046

What is the starting oracle error number?

1053

How to know the last executed procedure?

1099

Explain how to use transactions efficiently : transact sql

980

How to read/write files from pl/sql?

1035

What is the use of nvl function?

1198

What is difference between inner join and self join?

1084

what are the difference between clustered and a non-clustered index? : Sql dba

1033

Why is a primary key important?

1042

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