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 13117

what is switch column,colums cost in oracle?

Metric Stream,

3744

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

Metric Stream,

1 9373

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 8994

display records from 5 to 9 using rowid or rownum

Agile Software,

5 16248

How to update salary of employees department wise?

6 15381

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

2 6717

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 10771

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

3 7472

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

2278

How to get second highest salary from a table

3 7289

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

2 8955

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

1 5877

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

Karrox,

2 7815

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 6305

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Un-Answered Questions { SQL PLSQL }

What are the different ways to optimize a sql query?

984

explain the difference between myisam static and myisam dynamic. : Sql dba

986

List the various privileges that a user can grant to another user?

1086

What is the use of index in sql?

1062

What is difference between cursor and trigger?

1125

what is normalization? : Sql dba

1132

Is a view faster than a stored procedure?

1005

What are pl/sql packages?

1150

how to calculate expressions with sql statements? : Sql dba

1088

What is row_number () in sql?

1021

What are variables in pl sql?

1226

Where are my tempfiles, I don't see them in v$datafile or dba_data_file?

1051

what is a primary key? : Sql dba

1082

What is the difference between sql and isql*plus?

1156

What is field delimiter?

1107

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