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

How to start a specific oracle instance?

1044

What is a dead lock in oracle?

1135

What are the differences between char and varchar2 in oracle?

1184

How to pass a parameter to a cursor in oracle?

1193

How to create a stored procedure in oracle?

1114

How to return top 5 rows in oracle?

1073

How to select some columns from a table in oracle?

1103

How to concatenate two text values in oracle?

1121

What is a data lock in oracle?

1141

What privilege is needed for a user to connect to oracle server?

1001

What is an oracle user role?

992

How to download oracle database 10g xe?

1026

How to join two tables in a single query using oracle?

1003

How to check your oracle database 10g xe installation?

998

How to set a transaction to be read only in oracle?

1100

Un-Answered Questions { Databases }

Is a null value equal to anything? Can a space in a column be considered a null value? Why or why not?

1080

Are all views updatable ?

1163

What is a table in a database?

1055

How do I enable sql encryption?

1039

Is a server a database?

919

How to start and stop sybase database in linux sap?

939

What is the command syntax that tells you whether you are on the master server or not? And how many master does mongodb allow?

How do I run a trace in sql server?

997

What do you mean by % and _ in the LIKE statement?

989

Explain the role of building blocks like Nodes, Relationships, Properties and Labels in Neo4j?

What are the dis_advantages of stored procedures, triggers, indexes?

2233

How do I become a database administrator?

577

How do you communicate with an RDBMS?

944

What is an example of a schema?

816

What is the maximum length a text field can be in access?

769

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