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 1890

how to take mysql database structure backup

6 6238

How do you start MySQL on Linux?

Cybernet,

5 3814




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 4657

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 4690

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

HP,

2 5290

What is the difference Delete and Drop ?

6 5005

how we connect the data base in any programme

2 2282




What is check constraint?

3 3683

what do you mean by longblob Data type in MySql?

3 9514

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

4 4702

Print 3 highest salary

9 7059

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

3 2530

what is the advantage of left outer join?

2 11056

What is the difference between a Table and a View?

3 4126


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Un-Answered Questions { MySQL }

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

1678


How to set the time zone for MySQL to particular country time?

2116


what is mysql optimization in brief?

1301


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.

2529


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

1774






why not null is not allowed at table level

1582


What is difference between Sql server and MySql database? It may be silly question but i really dont know.

875


Explain the architecture models of SQL Server?

1345


What are the critical issues you have resolved in your company

1151


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

1098


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 ?

1097


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?

909


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

1099


In a property booking section want a query to check that property is booked from StartDate to EndDate.Booking Table field are given id proerty_id start_date checkout_date no_of_visitor booking date status Waiting yours answer.. Thanks In Advance...

1776


How can you move the master database

918