Capabilities of theSELECTStatement(SELECT语句的功能) Data retrieval from data base is done through appropriate and efficient use of SQL. Three concepts from relational theory encompass the capability of the SELECT statement: projection, selection, and joining. Projection(投影): A project operation selec...
This PL/SQL was developed by Oracle Corporation in the early to enhance the capabilities of SQL. It permits you to store compiled code directly into the database. PL/SQL also enables you to define triggers, which are subprograms that the database executes automatically in response to specified...
SQL Server automatically creates XML Deadlock and Showplan files, which you can save or print. A SQL Server Management Studio tutorial to assist users in taking advantage of the many new capabilities and becoming more productive straight away. Filtering and automatic refresh are included in this ne...
When it comes to ensuring your Microsoft SQL Server instance is highly available, it really comes down to two basic choices: Always On Availability Group (AG) or SQL Server Failover Cluster Instance (FCI). If you are reading this article I’m making an assumption you are well aware of bot...
As you've seen, there are many features like Access, but also capabilities Access simply doesn’t have. To take your excursion to the next level, here are some learning resources: Resource Description Querying with Transact-SQL Video-based course Database Engine...
Those new to using SQL can enroll in Noble’sSQL Level 1, a beginner-friendly class designed to teach students the basics of working with this language. Throughout this instructor-led, one-day course, students build a foundation in SQL by learning about rows, columns, tables, and basic fil...
By the end of the live online course, you’ll understand: The underlying design of SQL and how it influences our decision-making How to use the capabilities of the modern SQL dialect to effectively solve analytical problems How to determine when the core data retrieval functionalities within SQL...
Analytics and Business Intelligence:Depending on the data analytics maturity of your organization, you may have business intelligence (BI) solutions or self-service BI capabilities. If you are further down the track, you’d have predictive capabilities that open up new avenues of business for you....
In addition to simply querying this data, organizations want full analysis and even predictive capabilities over their data.Some industry examples of big data processing are in Retail (Demand Prediction, Market-Basket Analysis), Finance (Fraud detection, customer segmentation), Healthcare (Fiscal ...
Most of the articles written about SQL Server 2005 Service Broker talk about its capabilities as a messaging infrastructure and as a platform for building reliable database applications.For this reason, most DBAs see Service Broker as a developer tool and yet another thing they have to configure,...