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

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Sybase (267)
DB Architecture (141)
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DB Development (113)
SQL PLSQL (3330)
MongoDB (502)
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Database Management (1411)
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Databases Interview Questions

Questions Answers Views Company eMail

Describe and explain about SQL native client?

1 1179

Detail about query optimizer?

1 1170

Explain about SQLOS?

1 1070

Explain about protocol layer present in SQL server?

1 1307

Explain about the architecture of MYSQL?

1 1027

Explain about reporting services of MYSQL?

1 1133

In how many ways we can retrieve the data in the result set of MySQL using PHP? What is the difference between mysql_fetch_object and mysql_fetch_array ?

1 1121

How do you connect MySQL database with PHP?

1 1043

Give some features of MongoDB.

1 15

What is syntax of for loop in r?

1 15

What is BSON?

1 13

How do you limit the number of result returned?

1 17

What is the syntax of mongodb collection?

1 13

Define mongodb SUM?

1 17

What is the role of use command?

1 18

Un-Answered Questions { Databases }

what are the advantages of sql ? : Sql dba

1125

How did mongodb get its name?

Which statement is used in a select query for partial matching?

1232

Can delete statement be rollbacked?

1038

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2174

What kind of problems occurs if we do not implement proper locking strategy?

1479

How to remove duplicate rows from table except one?

1070

If a cursor is open, how can we find in a pl/sql block?

1225

What are the two main functions of queries in databases?

1509

What are the steps in creating a database?

985

What are the types of database explain each of them briefly?

1038

Can one drop a column from a table?

1075

What is the difference between case version and decode version?

1091

Are you familiar with user exits in reports?

Do we need to rebuild index after truncate?

1112

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