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 4601

which is the best training centre for learning oracle?

13 19455

what is the difference between unique and primary key

5 6088

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

iGate,

7 14908

what are the differences of where and if in SAS?

2196

how to generate XML out of QUERY?

McAfee,

1 5194

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 32866

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

Satyam,

2 5968

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 35117

what is extended StoreProcedure ?

Satyam,

3 6841

Different Types of Functions ?

Satyam,

2 12753

Un-Answered Questions { Databases }

What is the Repository and how many types of repository?

576

what are the benefits of flashback feature?

1025

What are the different type of joins in sql?

956

What are sql injection vulnerabilities?

989

What are the features of ms access?

742

What are the new scripting capabilities of ssms? : sql server management studio

1068

Where is the mongodb data stored?

Is a primary key indexed?

864

What are the types of user defined functions in sql server?

1052

what is the sql equivaent of the dataset relation object ?

2027

Why do we use joins in sql?

973

How to define a variable to match a table column data type?

990

Does a specific recovery model need to be used for a replicated database? : sql server replication

968

How do you link data in access?

938

What are the important data types in ms access?

832

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