MySQL Interview Questions
Questions Answers Views Company eMail

What are some good ideas regarding user security in MySQL?

2 3018

Explain the difference between MyISAM Static and MyISAM Dynamic?

1 7682

What does myisamchk do?

1 2664




Explain advantages of InnoDB over MyISAM?

1 6551

Explain advantages of MyISAM over InnoDB?

1 4619

What are HEAP tables in MySQL?

1 10535

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

1 6347

What are CSV tables?

1 4372




Explain federated tables?

Tech Mahindra,

3 5960

What is SERIAL data type in MySQL?

Aspire,

3 40595

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

2 9213

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

ABC,

2 4098

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

1 2035

What does TIMESTAMP ON UPDATE CURRENT_TIMESTAMP data type do?

1 3400

Explain data type TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP .

Zensar,

2 7359


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Un-Answered Questions { MySQL }

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

1717


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

1079


What are the critical issues you have resolved in your company

1121


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

2861


HOW TO FIND display the total number of weeks in the year of 1998 IN EMP TABLE

1065






How internally data stores in MyISAM and INNODB table types?

1462


I want to insert userid of a customer,order time,etc in a table called ordermaster with orderid as primary key.Same time the product codes and required quantities (a1,2 and a2 4 and so on)inserted in another table orderdetails with same orderid reference.How the code will be in JSP using MySQL?

885


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

536


I've looked but can't find a MySQL equivalent for MS SQL's xp_cmdshell. I have 7z files that I want to unzip and load into MySQL. I'm trying to write a sp to do the unzip, but I can't find a way to do that. Can anyone provide an example of a similar process in Windows? TIA.

2482


What is striped backup

1241


What are the method you will follow while sql installing

1284


why not null is not allowed at table level

1516


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)?

1163


i made a table whih contain a column "Photo" with image data type and i want to insert the byte of a picture present in my hardisk using insert statement in that colum... so what will be my insert statement?

1510


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

376