This chapter focuses on the keys used in a database. A key by definition is unique and cannot be null. The surrogate key is one of the most misunderstood concepts in relational database management systems (RDBMS), where its newer users fake surrogate keys with various proprietary autonumbering...
Information on business intelligence tools and the steps needed for a successful data warehousing project. CSS Tutorial CSS (Cascading Style Sheet) is the presentation layer of a web page. This tutorial aims to help beginners learn the basic concepts in CSS. Other Languages: Traditional Chinese ...
data warehousingApplication Program InterfacesagentsSummary In this chapter we have distilled the essence of the key concepts that pervade computing technology. Some of these, like object orientation and remote procedure calls, are fairly basic concepts for a developer to follow. Some others, such as...
Information on business intelligence tools and the steps needed for a successful data warehousing project. CSS Tutorial CSS (Cascading Style Sheet) is the presentation layer of a web page. This tutorial aims to help beginners learn the basic concepts in CSS. Other Languages: Traditional Chinese ...
Watch theInnovations in AWS analytics: Data warehousing and SQL analyticssession from re:Invent 2024 for further details. If you need any support, reach out to us. We are happy to provide architectural and design guidance, as well as support for proof of concepts and implementation...
on from my first post on analytical SQL "introduction to SQL for reporting and analysis" which looked at the reasons why it makes sense to use analytical SQL in your data warehouse and operational projects. In this post we are going to examine the key processing concepts behind analytical SQL...
CSS Tutorial: This CSS tutorial aims to help beginners learn the basic concepts in CSS, as well as the common properties used to style a website. Tutorial de SQL: Spanish version of this tutorial. SQL 入門: Japanese version of this tutorial. Tutorial de SQL: Italian version of this tutor...
Concepts of Clustering, Indexing, and Structures Charles D. Tupper, in Data Architecture, 2011 Foreign Key Propagation Foreign key attributes must automatically migrate from entity to entity based on the flow of the connecting relationship. In a one-to-one relationship, the primary keys of each pa...
NoSQL Concepts 2 hr 14.3KIn this conceptual course (no coding required), you will learn about the four major NoSQL databases and popular engines. See DetailsStart Course course Data Manipulation in SQL 4 hr 250.8KMaster the complex SQL queries necessary to answer a wide variety of data scien...
Based on the key concepts of SCM and RSSCM in construction projects, the current paper sheds light on the key enablers of resilience in SSCM. The focus is on RSSCM in the construction industries of developing countries. 3. Research Methodology Research methodology defines how research is to be...