MySQL Interview Questions
Questions Answers Views Company eMail

What are some good ideas regarding user security in MySQL?

2 2912

Explain the difference between MyISAM Static and MyISAM Dynamic?

1 7349

What does myisamchk do?

1 2582




Explain advantages of InnoDB over MyISAM?

1 6487

Explain advantages of MyISAM over InnoDB?

1 4509

What are HEAP tables in MySQL?

1 10307

How do you control the max size of a HEAP table?

1 6045

What are CSV tables?

1 4297




Explain federated tables?

Tech Mahindra,

3 5832

What is SERIAL data type in MySQL?

Aspire,

3 40140

What happens when the column is set to AUTO INCREMENT and you reach the maximum value for that table?

2 8895

If we create a column with data type VARCHAR(3), what would we expect to see in MySQL table?

ABC,

2 4012

Explain TIMESTAMP DEFAULT ?2006:09:02 17:38:44′ ON UPDATE CURRENT_TIMESTAMP.

1 1969

What does TIMESTAMP ON UPDATE CURRENT_TIMESTAMP data type do?

1 3338

Explain data type TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP .

Zensar,

2 7238


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Un-Answered Questions { MySQL }

What is RMS Migrations

1129


How can you move the master database

847


why not null is not allowed at table level

1436


How to enable or disable a row of a table using MySQL in struts?

2791


What are the critical issues you have resolved in your company

1045






What are the method you will follow while sql installing

1228


using primary can we relate two table, with out foreign key?

1578


how to get only updated, deleted , inserted records after certain interval time in mysql with out using triggers...

1109


all the queries used in sql

1478


Hi Team, This is kartik, I recently completed my B-tech. Importance of posting this question is for to know the best books on SQL(MYSQL/Oracle)? I like SQL concept's so much, at the same time i decided to choose SQL for my career purpose. So please suggest me the best books that are very helpful for a fresher to improve concepts like (SQL/PLSQL)Basics, programming concepts, architectures etc. Please consider my request as an important one. I am very thankful to you for providing this opportunity. If possible can you please send the names of books for my personal id also: karthikgdv1206@yahoo.com. Thanks, Kartik T

1022


Explain the architecture models of SQL Server?

1243


what is mysql optimization in brief?

1212


Please can the SQL code below be interpreted IF @xMatchCriteria='MATCH12' BEGIN IF EXISTS (Select * from #InsightData where (EmailAddress=@xDCPEmailAddress ) ) BEGIN SET @xTestMatchCriteria = @xMatchCriteria; SELECT @xCRMCustomerId=CustomerId, @xCRMDcpCustomerId=DcpCustomerId, @xCRMPortalCustomerID=PortalCustomerID,@xCRMDcpID=DcpID, @xCRMCardNumber=CardNumber, @xCRMEmailAddress=EmailAddress, @xCRMfirtLetterFirstName=firtLetterFirstName, @xCRMLastName=Surname,@xCRMAddressLine1=AddressLine1, @xCRMPostCode=PostCode FROM #InsightData where (EmailAddress=@xDCPEmailAddress ) END ELSE BEGIN SET @xTestMatchCriteria='No'+@xMatchCriteria; END END

477


1.how to fetch a value and Execute store procudure in mysql(INNODB) using phpMyAdmin? 2.can i wright a package in mysql database(INNODB)?

1089


Table - Products has number of products as below Productid ProductName 1 iPhone 2 iPad 3 BlackBerry Table - SalesPersonProduct has the below records Salespersonid productid S1 1 S1 2 S1 3 S2 1 S3 2 Write a SQL query that returns the total number of sold products

1627