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 to start a specific oracle instance?

1081

What is a dead lock in oracle?

1180

What are the differences between char and varchar2 in oracle?

1249

How to pass a parameter to a cursor in oracle?

1233

How to create a stored procedure in oracle?

1153

How to return top 5 rows in oracle?

1115

How to select some columns from a table in oracle?

1178

How to concatenate two text values in oracle?

1159

What is a data lock in oracle?

1182

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

1038

What is an oracle user role?

1041

How to download oracle database 10g xe?

1071

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

1054

How to check your oracle database 10g xe installation?

1053

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

1143

Un-Answered Questions { Databases }

What is the maximum number of columns per table?

970

Explain intellisense for query editing

1076

What is a trigger what are the advantages of trigger?

1066

What is self contained sub query?

1124

What is field in database give an example?

1033

What is SQL Azure Data sync?

123

Which normal form is best?

1000

What are the different types of modules in oracle forms?

1053

How do I find the database name in mysql?

1008

What is unique key example?

971

how do you know if your mysql server is alive? : Sql dba

1130

Is there some bulk load or other way to import a lot of data fast?

921

What languages bi uses to achieve the goal?

1054

How concurrency problems effect the database?

1212

Explain the record term used in database.

1123

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