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

What are data resources?

933

What is data source document?

1050

Can two tables share the same primary key?

942

Can a table have 2 foreign keys?

919

What is meant by datasource?

942

How do I make a resultset scrollable?

970

Is resultset an interface?

987

What is the meaning of resultset type_scroll_insensitive?

963

What is difference between createstatement and preparedstatement?

1123

Which is faster statement or preparedstatement?

964

What is the difference between executequery () and executeupdate ()?

1055

What is the return type of executeupdate ()?

917

What is create statement?

973

What program is used to store the data source file?

977

What is a data source file?

990

Un-Answered Questions { Databases }

How does database replication work?

1011

Is grant a ddl statement?

908

what is a sub-report?

143

How do u print the data horizantally by using XML report? EX:Suppose there is one table names as SAMPLE in that we have only two columns say empno,ename.I want the output like this,At run time user may enter 3 colums(i.e to data print horizantally). empno ename empno ename empno ename 100 aaa 101 bbb 102 ccc 103 ddd 104 eee 105 fff

2228

What are the set operators in sql?

1089

What is a mongodb cluster?

What is trigger explain with example?

1050

What is cte sql?

1011

i am pursuing mca and i want to do oracle apps technical in hydrabad, plz guide me tne best institue in hydrabad those have excellent knowledge in oracle apps.

2328

What is the difference between flex mode and confined mode?

1065

Is mongodb support relationship?

What is difference between standardization and normalization?

1114

How should i optimize the time for execution of stored procedure having single input and many output from the different tables?

1931

What is the use of sequences? How do you do sequences?

Can we join tables without foreign key?

969

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