MySQL Interview Questions
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at first i'm using datediff('d', a.due_date, current_date); but it takes too long to get the result but how can i subtract the current_date - a.due_date and still get the same result like when i use datediff? thank you

1 1726

how to take mysql database structure backup

6 5950

How do you start MySQL on Linux?


5 3521

What is the main different between Null and NOT Null. Difference between Primary and Unique Key. How to Check the database from which application is it possibe.

6 4386

What is Foreign Key? What is the main difference between primary key and Foreign Key ? How Foreign Key can be defined? Is Foreign key is used to join two or more table?

4 4438

What is Inner Joints and Outer Joints ? What is right outer joints,left outer joints,right inner joints , left inner joints ,


2 4964

What is the difference Delete and Drop ?

6 4674

how we connect the data base in any programme

2 2097

What is check constraint?

3 3339

what do you mean by longblob Data type in MySql?

3 8800

What is difference b/w composit key n primary key and forigion key?

4 4424

Print 3 highest salary

9 6693

what programming language which is used for testing and developement in sql?

3 2299

what is the advantage of left outer join?

2 10163

What is the difference between a Table and a View?

3 3852

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Un-Answered Questions { MySQL }

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


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


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


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


What are the method you will follow while sql installing


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


What is striped backup


What are the critical issues you have resolved in your company


why not null is not allowed at table level


suppose data is copie to oracle to sql by using DTS. Actully it taken 2 hours. suppose some day distribute the server in the middle of 2 hours. after how can i get the data ?


How can you plan the logshipping before processing?

1112 to fetch a value and Execute store procudure in mysql(INNODB) using phpMyAdmin? 2.can i wright a package in mysql database(INNODB)?


explain GROUPBY & HAVING clause with examples.


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


1)for snapshot replication which agents used? 2)for Transcation replication which agents used? 3)for merge replciation which agents used?