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

How can we find out the current date and time in oracle?

1105

What is a nested table and how is it different from a normal table?

1071

How is it different from a normal table?

1047

How does the on-delete-cascade statement work?

1133

What is meant by joins? List out the types of joins.

1049

What do you understand by database schema and what does it hold?

1243

What do you mean by merge in oracle and how can we merge two tables?

1066

What is a trigger and what are its types?

1254

List out the types of joins.

1182

What are the parameters that we can pass through a stored procedure?

1079

What is a nested table?

1076

How view is different from a table?

1047

What do you understand by a database object?

1083

What is meant by raw datatype?

1079

When do we use group by clause in a sql query?

1053

Un-Answered Questions { Databases }

Explain alias in sql?

1058

What is a not null constraint?

1050

What is a full join sql?

1068

What is raid controller technology?

1013

What is the sequence of firing in report trigger?

Do you know concepts and capabilities of sql server?

1075

What is the difference between $lt and $lte?

Why does Oracle not permit the use of PCTUSED with indexes?

2955

Is postgresql a server?

1062

How does mongodb replication work?

What is the maximum size of table in mysql?

1042

What are the properties of a primary key in DBMS?

970

What is considered a database?

1011

What is query design?

915

What is 1nf 2nf?

1017

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