Tags » Data Model

Data Pages

Introduction

Before we understand what are Data Pages, we need to first understand what is data model.

In simplest terms, Data Model is structure of objects or entities which any Application uses throughout its processing. 145 more words

Data Model

How Data Pages are Used

There are different ways in which Data Pages can be utilized. These different ways depend on how data is needed in the application.

For example, lets look at a scenario where an HR Application needs an employee record for certain HR related process. 267 more words

Data Model

Scope of Data Pages

When we say scope of a data page then it means we are talking about the context of Application where data page is accessible.

Context of an Application can be… 71 more words

Data Model

The Nested Set Model

There are probably definitely several articles out there which cover the SQL implementation of the Nested Set Model, aka “modified preorder tree traversal” (which is more the name of the algorithm by which you… 1,413 more words

Job

Drivers for the digitalization of insurance

The insurance industry is becoming increasingly focused on the digitalization of its business processes. There are many factors driving digitalization, but it’s clear that a reliable and meaningful database is the basic prerequisite successful digitalization strategy. 1,329 more words

SAS Voices

WCO - the opportunities and challenges of E-commerce

The WCO Policy Commission, held in Moscow, Russian Federation, from 5 to 7 December 2016 under the chairmanship of Mr. R. Davydov, brought to the fore the key role of Customs in creating a sustainable and efficient e-commerce ecosystem, reviving-up the exchange of data between stakeholders and enhancing risk-management through electronic interface. 314 more words

Customs

promise

  • why promise?
    • 异步编程为js带来强大灵活性的同时,也带来了嵌套回调的问题。详细来说主要有两点,第一嵌套太深代码可读性太差,第二并行逻辑必须串行执行。
    • 新的ES6中引入了Promise,目的是让回调更为优雅。层层嵌套的回调会让javascript失去美感和可读性,同时javascript也推荐采用链式的方式去书写函数调用。
  • PromiseA+规范
    • A promise represents the eventual result of an asynchronous operation.
      一个promise代表了一个异步操作的最终结果
    • The primary way of interacting with a promise is through its then method, which registers callbacks to receive either a promise’s eventual value or the reason why the promise cannot be fulfilled.跟promise交互的主要方式是通过他的then方法来注册回调函数去接收promise的最终结果值或者是promise不能完成的原因。
  • 122 more words
Nodejs