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

What do you understand by recovery catalog?

601

What do you understand by the term 'system change number (scn)'?

641

What is the difference between a database and instance?

744

What do you mean by oracle dba?

609

What is the meaning of database backup?

680

What do you understand by the term 'normalization'?

716

Explain the various modes of normalization?

586

What is the relation between database and instance?

702

What is the difference between sga and pga?

667

What do you mean by oracle database?

608

What are the important tasks of common oracle dba?

599

What is the difference between a database and instance? What is the relation between them?

626

What are the possible ways to gain information regarding the control file?

619

What is the difference between cold backup and hot backup?

622

What are the various ingredients of sga?

613

Un-Answered Questions { Databases }

What does it mean to manipulate data?

1057

What is meant by decimal (5,2)?

1098

How many byte Unique integers does OIDs in PostgreSQL have?

1359

What is ISAM?

1166

Explain Enterprise Resource Planning (ERP), and what sort of a database is utilised in an ERP application?

1017

How do you explain an index number?

1190

Is it true, that there is no difference between a rule and a check constraint?

1116

When you used JKM ?

650

Other than making use of the statspack utility, what would you check when you are monitoring or running a health check on an Oracle 8i or 9i database?

2042

What are mysql functions?

997

How can I detect whether a given connection is blocked?

1120

What does postgresql do?

925

What is sql used for?

1166

What is the maximum line size that dbms_output can handle?

1258

What is striped backup

2295

For More Un-Answered { Databases } Questions Click Here