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

MySQL Interview Questions

Questions Answers Views Company eMail

What are the method you will follow while sql installing

Mind Tree,

2352

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

2231

write a c++ program to add a user to mysql.the user should be permitted to only "insert" into the given database

Infosys, Webyog,

3 7020

What is diff b/w MYISAM and INNODB storage engine. and also define the benifits and drawbacks of both storage engine

1 3750

What is the difference between SQL and SQL Server?

Cognizant, HCL,

3 8964

Can u give the example by taking an unnormalized table and make that 1nf and then 25nf, and then 3 nf?

4656

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.

3950

how to declare unique key in creating a table..?

2 6348

How to define numeric 9(3) in db2 table without decimal point??

2846

How to write query to select word java's from column employees and from emp table

CGI,

1 3565

is it possible to assign two primary key in a table

IBM,

8 12426

How internally data stores in MyISAM and INNODB table types?

Zensar,

2702

maximum database size of mysql database

2 5360

when i declare date data type in sql ,i inserted the date 22-10-2012,but my result is in different date 1894-07-11 any one pls help me what's wrong in my query Create table orders(od_id int,od_name varchar(10),od_date date) insert into orders values(1,'sai',22-10-2012) and any one pls suggest what i can learn for 3 years real time experenice in sql because i am looking for database field

1 3275

I want to make a query where I want to eliminate the duplicate rows from the table. For example : Input : Table : NAME Column1 Column2 India USA USA India UK India India UK The desired output that I want to eliminate the duplicates Output India USA UK India Thanks

Sun Life,

2 5231

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Un-Answered Questions { MySQL }

What is data in mysql?

897

What is the difference between is null & is not null?

989

Is mysql deprecated?

911

What is the purpose of -> in the mysql terminal?

1109

What are the different mysql database engines?

1154

How do you concatenate strings in mysql?

1001

How can I compare two mysql databases?

960

How many rows can a mysql table hold?

1007

How do I backup mysql database on linux?

925

Is mysql same as sql?

888

What is mysqli_select_db?

961

How do you kill a long running query in mysql?

885

What is delimiter $$?

962

How to Set a root password if there is on root password.

1083

How do I show all mysql databases?

956

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