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

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Sybase (267)
DB Architecture (141)
DB Administration (291)

DB Development (113)
SQL PLSQL (3330)
MongoDB (502)
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Neo4j (82)
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Database Management (1411)
Databases AllOther (288)

Databases Interview Questions

Questions Answers Views Company eMail

What is the command used to fetch the first 5 characters of a string?

1223

What is the difference between local variables and global variables?

1138

What are all the different normalization?

1055

What is a field in a database?

1074

Can a table contain multiple primary key’s?

1117

What is the sql case statement?

1022

Explain sql data types?

1107

What is the largest value that can be stored in a byte data field?

1027

What are operators available in sql?

1064

How to fetch values from testtable1 that are not in testtable2 without using not keyword?

1237

What are user defined functions?

1026

What is auto increment in sql?

1142

How to change a value of the field ‘salary’ as 7500 for an employee_name ‘john’ in a table employee_details?

1454

What is a table in a database?

1061

What is the difference between an inner and outer join?

1028

Un-Answered Questions { Databases }

What is package and main advantages?

622

How to know the last executed procedure?

1118

What is a derived table?

941

How do I find duplicates in two columns?

1193

what is mySQL. Is there any specific qualification required to do this course ? What is the scope in India after doing mySQL

1398

Is database a hardware or software?

1011

Is full outer join same as cross join?

987

What is difference between schema and table?

930

What happens if you delete a table that is used by a view?

1007

What are the disadvantages of mysql?

1083

How to create a new view in mysql?

935

How to get current MySQL version?

1102

What is a file delimiter?

1116

How to access the deleted record of an event?

1051

What exactly does a dba do?

591

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