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

Please explain oracle left join with an example?

1 1108

Explain the truncate in oracle?

1 1030

How to execute the package in oracle?

1 1155

Explain oracle insert into command?

1 1177

Explain the difference between replace() and translate() functions in oracle?

1 1096

Explain the features of oracle?

1 1124

How to convert raw data type into text in oracle? Explain

1 1071

Why oracle is used?

1 1116

Explain self joins in oracle?

1 1084

Explain oracle data types with examples?

1 1095

What do you mean by cdb and pdb in oracle 12c?

1 1120

Explain compound trigger in oracle?

1 1102

Write a syntax for update query in oracle?

1 1088

What is a trigger and what are its types in oracle?

1 1183

Please explain oracle data types with examples?

1 1142

Un-Answered Questions { Databases }

Equi join and non equi join is possible with sql server?

1117

Suppose database is running slow, what will you do?

2586

What versions of clipper does netlib support?

1070

what is the Ticketing tool used in Wipro technologies at Bangalore...???

8221

Can one drop a column from a table?

1076

What are the kinds of subquery?

1091

How can we solve concurrency problems?

1115

What is the current version of postgresql?

1150

How do I create a trace in sql server?

1109

Is primary key clustered index?

1007

Why and when do stored procedure recompile?

1051

Have you created fact table and dimension tables?

696

Is microsoft getting rid of access?

877

How to select all columns of all rows from a table in oracle?

1114

Do we need to rebuild index after truncate?

1125

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