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

Oracle (3259)
SQL Server (4518)
MS Access (429)
MySQL (1402)

Postgre (483)
Sybase (267)
DB Architecture (141)
DB Administration (291)

DB Development (113)
SQL PLSQL (3330)
MongoDB (502)
IBM Informix (50)

Neo4j (82)
InfluxDB (0)
Apache CouchDB (44)
Firebird (5)

Database Management (1411)
Databases AllOther (288)

Databases Interview Questions

Questions Answers Views Company eMail

A design problem was given in which I was supposed to make a design for the data base for a given problem.

Motorola,

1080

How will you find out if there are expensive SQL statements running or not?

Atos Origin,

1015

Some queries related to SQL

Motorola,

982

What are the different methods available under sqlcommand class to access the data?

UGC Corporation,

1121

What do you mean by SQL injection attack?

Ittiam Systems,

1066

What is Command line parameters in PLSQL.?

MCN Solutions,

1128

What is Sqlpaging in SqlServer 2005 ?

MCN Solutions,

1065

What is a DBMS, query, SQL?

Maveric,

1046

What is difference between Datepart() and Datename() in SqlServer?

Infosys,

1203

What is the difference between SQL notification and SQL invalidation?

MindCracker,

1186

What is the difference between mysql and mysqli?

HCL,

1203

What is the use of toad or sqldbx.?

MCN Solutions,

1156

Write SQL queries on Self Join and Inner Join.

Aspiring Minds,

1154

Write a SQL queries on Self Join and Inner Join.

Aspiring Minds,

1042

Write a SQL query in order to merge two different columns into single column?

QuestPond,

1036

Un-Answered Questions { Databases }

How to display a past time in days, hours and minutes?

1016

What is system catalog or catalog relation? How is better known as?

848

Explain the difference between cross join and full outer join?

981

what are the different stages of Report Processing?

135

How to get current MySQL version?

1089

How would you design a database for an online site, which would average a million hits a day?

1011

What are dml statements in oracle?

1095

Is microsoft access an sql database?

893

How to escape special characters in sql statements?

976

What are different between mongodb and sql server databases?

Do you know what are the steps to process a single select statement?

974

Explain an incremental backup?

1001

List the different types of normalization?

945

What is the difference between partitioning and sharding?

1008

How do I tune a mysql query?

890

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