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

Oracle (3239)
SQL Server (4518)
MS Access (429)
MySQL (1402)

Postgre (483)
Sybase (267)
DB Architecture (141)
DB Administration (291)

DB Development (113)
SQL PLSQL (3312)
MongoDB (502)
IBM Informix (50)

Neo4j (82)
InfluxDB (0)
Apache CouchDB (44)
Firebird (5)

Database Management (1391)
Databases AllOther (288)

Databases Interview Questions

Questions Answers Views Company eMail

What is distributed queries?

518

Explain 3nf?

538

How to export data from database and import into another?

450

Explain meant by 3-tier architecture?

515

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

444

What is the advantage of using preparedstatement?

469

Define and explain about progress?

532

How to create a database from my program?

514

how to generate an auto incremental number in a ssis package?

506

What is the difference between case version and decode version?

487

How to write udf s in delphi?

522

How to drop all foreign keys in database?

524

What is netlib for clipper?

499

What is metadata and why should I use it?

487

How to change database dialect?

516

Un-Answered Questions { Databases }

Is it true that mongodb uses bson to represent document structure?

What is normalization in dbms?

473

How do you know if sql server is running on your local system?

530

what is a foreign key ? : Sql dba

599

How do I create a collection in mongodb? Write it's syntax

What is pdo in php mysql?

491

How to find the login name linked to a given user name?

522

How do I backup mysql database on linux?

477

Explain tables in SQL Azure?

If you are given access to a SQL Server, how do you find if the SQL Instance is a named instance or a default instance?

660

Name the different types of indexes in sql and define them.

557

What is ASM (Automatic Storage Management) in Oracle?

703

Explain the Logical Schema of Database

562

what is the difference between two and three-tier architectures?

457

On startup, the transaction log of a database has filled and recovery has suspended, what can I do?

545

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