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 12854

what is switch column,colums cost in oracle?

Metric Stream,

3597

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

Metric Stream,

1 9231

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 8721

display records from 5 to 9 using rowid or rownum

Agile Software,

5 15808

How to update salary of employees department wise?

6 14935

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

2 6483

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 10545

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

3 7218

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

2184

How to get second highest salary from a table

3 7011

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

2 8752

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

1 5719

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

Karrox,

2 7603

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 6090

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Un-Answered Questions { SQL PLSQL }

What are the query optimization techniques?

888

How delete a row in sql?

929

What are the packages in pl sql?

968

What does := mean in pl sql?

991

What does desc stand for?

1023

Explain the savepoint statement.

1041

Does a join table need a primary key?

905

What is case function?

989

What is character functions?

1017

Write a query to display the current date in sql?

969

How do you optimize a stored procedure in sql?

897

Which is better stored procedure or query?

922

Does sql use python?

978

Explain constraints in sql?

985

How do I run sql?

1096

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