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 do I list the available tables in a database I'm querying?

4 7538

How to count the number of duplicate items in a table?

3 8717

is it possible to use a variable in a query with the IN clause (a,b,c..z), without getting quotes or conversion errors?

2 5671

How to give a user the option of importing Excel and a delimited text file into a SQL Server Database without manually using SQL DTS?

GE,

1 5540

Is it possible to create tables in stored procedures using a variable for the table name?

2 5803

Is it possible to create a stored procedure that runs a query and outputs the results to a text file and allows me to add extra delimeters and static field info. If so How?

1 6532

How do I compare two values when one value(data type) is char and the other is an integer?

3 8766

What are the pros and cons of creating extended stored procedures?

1 5678

Is it possible to delete duplicate rows in a table without using a temporary table ?

TCS,

12 26168

I need a query that retrieves info from an Oracle table and a query that retrieves info from a SQL Server table. The info has to be joined together according to Record ID numbers. I have very limited access to the Oracle database but full control of the SQL Server database.How do I join two different queries from two different databases?

1 6722

How to Check Whether a Global Temporary Exists in a SQL Database or not?

2 8631

how to know Who Is Blocking Your SQL Server?

4 12813

How to Get the last identity value used

4 9099

How to Display, Amount of Disk Activity Generated by Transact-SQL Statements?

1 5443

How to Run a Query on a Remote SQL Server?

2 8613

Un-Answered Questions { Databases }

What is the difference between inner join and left join?

1041

How do I know if oracle is installed on windows?

995

What do we have to check in database testing?

1061

How to view the error log for any specific instance? : sql server database administration

1098

what protocol both networks use? : Sql server database administration

1020

What is the use of pivot table?

945

How to delete an existing row with delete statements in ms sql server?

1156

How to truncate the log in sql server 2012? : sql server database administration

1350

How do you notify dbpak about stored procedure?

989

How to migrate paradox, dbase or foxpro database to firebird?

1108

What is the difference between mysql_fetch_array() and ysql_fetch_object() ?

1085

what is text? : Sql dba

1123

Are database administrators in demand?

619

Why is mongodb called mongodb?

What is different type of rman backup?

721

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