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SQL PLSQL Interview Questions
Questions Answers Views Company eMail

Are there any features that are decommissioned in 11g that are not present in 11g?

2148

ERROR:Insert or update on table"accnt" violates foreign key constraints "acct_to_curr_symbol" DETAILS:KEY(accnt_curr_id)(-2)is not present in the table "curr_symbol" ......solve The Problem..

Wipro,

2496

If 100 tables are there in user_tables.I want to find in which table zero records are there with table name.Is it possible?

2 6928

one of the column in my table contains the data like SAL ---- 1000 1000 2000 3000 3000 So my requirement is i want output like SAL --- 1000 2000 3000 it mean i want to delete duplicate rows only how should u write query?

TCS,

9 11071

What is the difference between UNIQUE KEY and UNIQUE INDEX?

TCS,

3 8900

What is the differnce between view and materialized view

TCS,

4 9175

What is dynamic SQl and how you will create and execute dynamic sql?

TCS,

2 7463

Query for second maximum salary in each in each department

DST Global Solutions, TCS,

15 38312

How many null values can be inserted in a coulmn whihc is unique constraint

Flextronics,

8 13237

How is Oracle 10g helpful when compared to oracle 9i and what is grid computing

Flextronics,

1 5506

What is the difference between SQL and PLSQL

IBM,

7 11236

query to retrive the employees whose sal is greater than avg sal

TCS,

10 15193

one of the column in my table contains the data like SAL ---- 1000 1000 2000 3000 3000 So my requirement is i want output like SAL --- 1000 2000 3000 it mean i want to delete duplicate rows in the table permanently and i want output in the above formatow should u write query?

Cap Gemini, TCS,

13 23706

select sal from emp group by sal

TCS,

3 6383

A table has 150 records. How do you retrieve 100th row to 120th row from that table ?

IBM,

21 27590


Post New SQL PLSQL Questions

Un-Answered Questions { SQL PLSQL }

Is sql a case sensitive language?

943


what are the type of locks ? : Sql dba

965


how are mysql timestamps seen to a user? : Sql dba

1139


What is the benefit of foreign key?

1022


What is not in sql?

945


What is a temporal data type?

1052


what is a scheduled jobs or what is a scheduled tasks? : Sql dba

959


How to run pl/sql statements in sql*plus?

1079


how do you tune the slow running queries in oracle db , explain the methodology

2776


How to get list of all tables from a database?

1160


Is sql procedural language?

967


what is table? : Sql dba

1062


What is %type in sql?

965


how to do backup entire database? : Transact sql

1143


Is it mandatory for the primary key to be given a value when a new record is inserted?

1198