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What is CHECK Constraint in MySQL?

In MySQL, the CHECK constraint is used to put limit on value range on value inside a column. CHECK Constraint on CREATE TABLE The following statement creates a CHECK constraint on the "id" column when the "employee" table is created. The CHECK cons

How to use Left Join

Left Join: Left Join is used to join two tables and it return all rows from table 1 and matching rows from table 2. The result is NULL for unmatched rows for table 2. Left Join keyword is used to apply Left Join on two tables. Syntax for Left Join:

How to calculate time between two time using Dropdown box

Hello Reader's!,if you want get difference between two time, then I wrote this blog for you.It only contain JAVASCRIPT and HTML code. First you need to create your HTML code where you will get your time difference Put this HTML Code inside <b

How to create activity as a dialog?

We know that Alert dialog boxes are used to show some popup to user so that user can perform some action. But with Activity dialog you can manage the visibility of dialog based on activity life cycles. To create an activity as a dilaog we have to se

this keyword in JQuery

We all know that the use of this keyword is that it  is used for the current reference of the control or anything from where the invocation is being made.     So for making the proper use of this keyword we need to deal with the dyn

Adding a default value for a column through migration

Consider the following scenario. Let us say we have a User model and users ,its corresponding table in the database has a column role_id along with other columns. During the time of the attachment of the role_id to users table ,we could have writte

What are Test scenarios, Test cases and Test scripts

Test Scenario:- Its a high level definition and classification of the test requirement. In testing of any module's functionality it is grouped depending on same functionality. It consist of following parameters: Use case ID scenario ID Tes

uploading to amazon s3 from android app

// Initialize the Amazon Cognito credentials provider CognitoCachingCredentialsProvider credentialsProvider = new CognitoCachingCredentialsProvider( getApplicationContext(), "us-west-2:45af92a8-2a30-4540-bbd6-a7ec68b9fcd4",

Insert Data in Acumatica ERP

Hi Friends, Today i will tell you to how to insert values in acumatica ERP. The Code below is used to insert data in the acumatica erp. Suppose i want to insert data into the EPApproval table. Here firstly i need to create instance of cur

JObject Class

Namespace: Newtonsoft.Json.Linq In web api sometimes we often need to send multiple parameters to controller's action(method). In that case we can create model of multiple parameters and wrap multiple parameters to JSON and send it to actio

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