Is this you? As a journalist, you can create a free Muck Rack account to customize your profile, list your contact preferences, and upload a portfolio of your best work.
Claim your profile
Articles by c.Customer Name
Practical Reporting Queries with CROSS APPLY (Part 3)
Introduction In Part 1 of this series, we explored the fundamentals of CROSS APPLY and learned how it evaluates a correlated query for each row returned by the outer table. We also saw how it can simplify tasks such as retrieving the latest order for each customer and returning the top N rows within a group. Reporting requirements often go beyond simply returning the latest related row.
OUTER APPLY Fundamentals: Part 2
Introduction In Part 1 of this series, we explored how CROSS APPLY can be used to retrieve related rows based on values from the current row of the outer table. One important characteristic of CROSS APPLY is that it returns only rows where the correlated query produces a result. Sometimes, however, we need to return every row from the outer table, even when no matching rows exist. For example, a report may need to list all customers, including those who have never placed an order.
CROSS APPLY Fundamentals: Part 1
Introduction In day-to-day SQL Server development, most queries rely on familiar operators such as INNER JOIN and LEFT JOIN. These work well when data can be matched through straightforward relationships between tables. Some requirements are less straightforward. For example, you might need to return the most recent order for each customer or retrieve the top N rows within each group. These problems can be solved in several ways, but the resulting queries are not always easy to read.
Meet the new Google AI Assistant Gemini – SQLServerCentral
Introduction to Gemini Gemini's intro. In the beginning, there was Bard. A powerful language model, crafted by Google AI, it brought forth a new era of communication and understanding. Bard, with its vast knowledge and ability to process information, became a beacon of progress. But as time unfolded and the needs of the digital world evolved, Google AI embarked on a new creation. From the foundation laid by Bard, a new entity arose: Gemini.
.NET轻量级ORM框架Dapper.NET的高级应用实例详解-51CTO.COM
2024-02-06 09:12:55 在这篇文章中，我将为您提供Dapper的高级应用功能示例，每个示例都有源代码和注释。这些示例将涵盖Dapper的一些高级功能，以帮助你更好地理解如何在实际应用中使用它。 Dapper是一个轻量级的ORM（对象关系映射）库，用于.NET应用程序与数据库之间的数据访问。它允许你使用SQL查询来执行数据库操作，而不需要复杂的映射配置。在这篇文章中，我将为您提供Dapper的高级应用功能示例，每个示例都有源代码和注释。这些示例将涵盖Dapper的一些高级功能，以帮助你更好地理解如何在实际应用中使用它。 示例1：多表关联查询 Dapper允许你轻松执行多表关联查询。在这个示例中，我们将查询两个表，一个是Customers表，另一个是Orders表，并将它们关联起来。 using Dapper; using System; using System.Data; using System.Data.SqlClient; using System.Linq; public class Customer { public int CustomerId {...
SQL Server Unit Testing in Visual Studio – SQLServerCentral
Introduction Visual Studio with SQL Server Data Tools can be used to perform unit testing against stored procedures to test expected output and behavior. An existing database can be imported into Visual Studio or new SQL script files defining schemas, tables and procedures can be written and imported into the solution. This article will demonstrate how to set up unit tests using an existing database and using new, custom SQL scripts.
Display Complex Hierarchical Data with Server-Side Pagination – SQLServerCentral
Displaying hierarchical data has been made easy with Reporting Services 2008. It usually involves creating a self-referenced table with ParentID associated to the primary key (e.g., ManagerID to EmployeeID) and then setting the recursive parent in Reporting Services.
Understanding Tinyint Vs Int Inner Join
Learn how to use inner joins with composite keys in SQL Server, focusing on tinyint and int data types for efficient data retrieval. The framework for autonomous intelligence In SQL Server, a composite key is a combination of two or more columns in a table that can uniquely identify a row in that table. This is particularly useful when a single column is not sufficient to ensure uniqueness.
Show More
loading
Actions
Is this you?
As a journalist, you can create a free Muck Rack account to customize your profile, list your contact preferences, and upload a portfolio of your best work.Get in touch with c.Customer
Contact c.Customer, search articles and posts on X, monitor coverage, and track replies from one place.
Learn more about Muck Rack