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

can u tell me how many types of oracle and which type all detail in oracle (suppose all history of oracle )

IBM, Oracle,

1 4602

which is the best training centre for learning oracle?

13 19458

what is the difference between unique and primary key

5 6089

Please let me know if UNION ALL and Natural Join does the same operation and are same...

iGate,

7 14910

what are the differences of where and if in SAS?

2196

how to generate XML out of QUERY?

McAfee,

1 5195

How to delete duplicate records from a table?(for suppose in a table we have 1000 Records in that we have 200 duplicate Records , so ,how to findout that duplicate Records , how to delete those Records and arranged into sequence order? one more thing that there is no primary key at all)

Infosys, McAfee,

5 10943

How to delete particular value in the column of a table.Is it possible or not?if possible give it as in query.

Intelenet,

8 32867

hi i gone though satyam interview. what is Acid Properties?

Satyam,

2 5969

what are batch in sql server?

Satyam,

2 10078

Difference Between varchar and nvarchar datatype?

Satyam,

3 14248

Difference between sql server 2000 and sql server 2005?

Aditi Tech, eInfochips, GE, HCL, IBM, Masim Infotech, NIIT, Satyam, Systems Domain,

11 53188

what is normalization? what is denormalization?

Satyam,

9 35118

what is extended StoreProcedure ?

Satyam,

3 6842

Different Types of Functions ?

Satyam,

2 12754

Un-Answered Questions { Databases }

How replication works in mongodb?

What are the different types of partitions in oracle?

979

Can we commit inside a function in oracle?

967

Is it required to call ‘getlasterror’ to make a write durable?

What is the difference between mongodb and elasticsearch?

What can I use instead of microsoft access?

911

How do I run mysql from command line?

1044

What is a loop in sql?

989

What are the advantages of using a stored procedure?

1008

What is data types in sql?

1011

Where views are stored in sql server?

991

Explain the term specialization.

859

A trigger can reference objects outside the current database? State true or false.

1015

How do I start and stop mysql on windows?

1010

What is slow query log in mysql?

1110

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