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

What do you understand by pl/sql cursors?

1099

Enlist the characteristics of pl/sql?

1814

What do you understand by pl/sql records?

1027

What do you understand by exception handling in pl/sql?

1045

Write a pl/sql script to display the following series of numbers: 99,96,93……9,6,3?

1 4943

What are the ways on commenting in a pl/sql code?

1148

What is sql comments?

1083

Write a sql select query that only returns each name only once from a table?

1030

Which tcp/ip port does sql server run?

1021

What are different clauses used in sql?

1129

What are different joins used in sql?

1069

Why do we use sql constraints? Which constraints we can use while creating database in sql?

1053

What are different types of statements supported by sql?

1175

How many aggregate functions are available there in sql?

995

Why do we use sql constraints?

1182

Un-Answered Questions { Databases }

mention the database server operating modes available for informix?

Name some usages of database trigger?

1029

What do you understand by a profiler with reference to mongodb?

What is the main purpose of microsoft access?

902

What is max connection in mysql?

939

How do I delete a table in mysql workbench?

1046

Is it possible to create the following trigger: before or after update trigger for each row?

1300

What is ora2pg?

798

What are the different types of columns types constraints in the sql server?

1096

What is view in mysql?

981

What command would you use to create an index?

1069

Describe concurrency control.

1052

Tell about MOM Tool(Microsoft Operator Manager)?

1926

Which command is used to modify the rows?

861

Why neo4j is called graph database?

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