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

Oracle (3253)
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

How do I manually create a database?

1291

What is global database name?

1046

How do database connections work?

995

Can a database table exist without a primary key?

994

What is a driver in database?

1240

What is a database string?

1010

What is the best database software for small businesses?

990

What is difference between server and database?

1149

How do you connect to a database?

1153

What is the difference between database and server?

1081

What is odm in mongodb?

What is the difference between createstatement and preparedstatement?

1008

Why is sql better than hql?

1066

How do you size a resultset?

973

What does executeupdate return?

1047

Un-Answered Questions { Databases }

Were you involved in any data conversion, which one?

what are null values? : Sql dba

1016

How can you save or place your msg in a table?

1046

Explain what is “asynchronous” communication in sql server service broker?

967

What is tee command in mysql?

1006

How do I make sql search faster?

1049

What is the difference between having and where clause in mysql? Explain

1085

How to delete an existing column in a table?

1018

Explain partitioned view?

1138

Explain data independence?

1100

What is the use of key-value locking in informix?

Give the advantages and disadvantages of clusters.

1110

Explain the purpose of oracle real application clusters (rac)?

How we can refresh the view?

1172

What is the difference between truncate and delete? Why is one faster? Can we rollback both? How would a full table scan behave after?

614

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