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 define Data Block size ?

2 5679

What is Row Chaining ?

Cognizant, CTS,

3 13013

What is an Extent ?

3 6524

What is a Segment ?

1 4821

What are the different type of Segments ?

2 4798

What is a Data Segment ?

3 6289

What is an Index Segment ?

2 4875

What is Rollback Segment ?

3 6443

What are the uses of Rollback Segment ?

2 5960

What is a Temporary Segment ?

2 5292

What is a Data File ?

1 4703

What are the Characteristics of Data Files ?

3 6773

What is a Redo Log ?

3 7552

What is the function of Redo Log ?

1 5278

What is the use of Redo Log Information ?

2 6757

Un-Answered Questions { Databases }

What are the column comparisons operators?

1304

How to list all tables in your schema?

1123

What is the password of postgres user?

877

How to load data from file to file and what are the KM's required for this requirement?

665

What is a procedure example?

984

explain the storage models of olap? : Sql server database administration

1018

How many sql dml commands are supported by 'mysql'?

1034

WHEN CURSOR MOVES FROM ONE FORM TO ANOTHER FORM, HOW MANY TRIGGER WILL BE FIRED AND WHAT ARE THEIR SEQUENCE?

2364

what is the difference between clustered and non clustered index in sql? : Sql dba

1193

what are the drivers in mysql? : Sql dba

1061

Explain the benefits of user-defined functions?

1125

Write a syntax for update query in oracle?

1076

where the connection string store in the database

2124

How do you start single user mode in clustered installations?

989

Explain normalization and what are the advantages of it?

1005

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