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

How triggers can be used in mysql?

1 1073

What are the advantages of mysql?

1 1048

How to create table with same structure of student table in mysql?

1 1010

Write a query to fetch common records between two tables using mysql?

1 1077

What is the use of concat() in mysql?

1 1051

What are the difference between now and current_date in mysql?

2 1558

How to change the database engine in mysql?

1 1079

How to get a version of mysql?

1 1117

In mysql, what is the default storage engine?

1 1074

How to get nth highest salary from table in a mysql?

1 1002

How to create and drop view in mysql?

1 972

In which year mysql created?

1 1024

How can we get total number of records by query in mysql?

1 972

What is the difference between char and varchar in mysql?

1 1215

What is regex in mysql?

1 1156

Un-Answered Questions { Databases }

How do I find the sql server version?

1096

how to escape special characters in sql statements? : Sql dba

1097

Why and when do stored procedure recompile?

1042

how many tables will create when we create table, what are they? : Sql dba

1129

What is a concurrency problem in dbms?

1035

Can we shrink data file in sql server?

1112

How to use values from other tables in update statements using oracle?

1139

What is the difference between upgrade and migration in sql server?

1163

What is clustered index

1069

define sql insert statement ? : Sql dba

1086

How to define array in mongoose schema?

what are aggregate and scalar functions? : Sql dba

1116

What is self contained sub query?

1130

If any stored procedure is encrypted, then can we see its definition in activity monitor?

1055

What are different types of constraints?

981

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