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

Is sql developer case sensitive?

1061

Is merge a dml statement?

1039

What is a variable in sql?

1066

How do I run a program in pl sql?

1059

What is difference between pl and sql?

1120

What is raw datatype in sql?

1119

How is pl sql different from sql?

1152

Why do we use set serveroutput on?

1019

How many types of triggers are there in pl sql?

1131

What is varray in pl sql?

1131

How do I start pl sql?

1004

What is cursor status?

1247

Is pl sql a scripting language?

1084

How to call shell script from pl sql procedure?

1368

What does := mean in pl sql?

1095

Un-Answered Questions { Databases }

What is the cartesian product of the table?

1015

What are the different column comparison operators in mysql?

998

what Neo4j CQL MATCH command is used for?

What is max pool size?

823

Is a secondary key the same as a foreign key?

1129

Is record in oracle pl sql?

1019

How to write a query with an inner join in oracle?

1106

What is microsoft sql server?

1028

What is assignment operator in pl sql?

1094

What is the difference between dataadapter and datareader?

1068

1)what is the difference between Reinitializing a Subscription and synchronization the subscription? 2)when to use reinitializing ? 3)when to use synchronization? 4)when adding table or deleting a table what to do?(reinz.. or syn) 5)when adding a column what to do?

2174

What do you know about normalization? Explain in detail?

1009

What is DML (Data Manipulation Language)?

918

What is management system in dbms?

999

Why is sql important?

1179

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