Editing and Deleting Data In the previous chapter we've come to learn how we can use the zend-form and zend-db components for creating new data-sets. This chapter will focus on finalizing the CRUD functionality by introducing the concepts for editing…

INDEX Updating Data The IGNORE Keyword Deleting Data Faster Deletes Guidelines for Updating and Deleting Data Updating Data UPDATE customers SET cust_name = 'The Fudds', cust_email = 'elmer@fudd.com' ; To delete a column's value, you can set it to NU…

Creating Entities First of all, Let's create some entities to have a test. Create a project Add following packages by NuGet EntityFramework MySql.Data.Entity (I'm just using MySql, it's not necessary) Add some codes: class Class { public int ClassId…

What is Core Data? If you want to build anything beyond the most simplistic apps for iOS, you’ll need a way to persist data. Luckily, Apple provides the Core Data framework, a persistence layer that efficiently handles the coordination of saving/upda…

dd Lab Reports VMware vSphere Data Protection Fast, Simple, and Agentless Deduplicated Virtual Machine Backup and Recovery This report documents hands-on testing of VMware vSphere Data Protection (VDP) with a focus on the operational benefits of the…

How to Recover Data (Without a Backup!) It's the classic career-limiting maneuver(职业限制机动): accidentally deleting data you weren't meant to. It's easy to do this as the result of mistakes such as: Running a test script on production Getting the where…

w https://git-scm.com/book/en/v1/Git-Internals-Plumbing-and-Porcelain Git is a content-addressable filesystem. Great. What does that mean? It means that at the core of Git is a simple key-value data store. You can insert any kind of content into it,…

Data Management ObjectivesBy the end o this module, you should understand the fundamentals of data management, including:1.Explain typical data management operations.2.Describe typical user cases for inserting system fields.3.List the ways to obtain…

Dev401-016:Data Management: Data management Overview Course Objectives1.List typical data management operations.2.Define upsert and external ID.3.List typical use cases where upsert is useful.4.List some tools available to perform data management ope…

LINQ and LINQ Providers   LINQ is a feature of the programming languages C# and Microsoft Visual Basic .NET. Compilers are included with Visual Studio. LINQ adds a SQL-like syntax and vocabulary to each of the languages, which can be used to query da…