sql broker 介紹 (Introduction) In the real-world implementation of SQL Server of an enterprise system, it always needs to implement data in multiple databases. In most of the cases, a single transaction will span across multiple databases. If there are mu

oracle執行外部sql In the previous article of the series, we took an overview of PolyBase in SQL Server 2017. We also learned about the Azure Data Studio and SQL Server 2019 preview extension to explore SQL Server 2019 features. 在本系列的上一篇文章中ÿ

This article will be first article of series for SQL database backup and restoration using DBAtools, a powerful open source library of PowerShell automation scripts. 本文將是使用DBAtools（一個強大的PowerShell自動化腳本的開源庫）進行SQL數據庫備

sql判斷基數 This is a small post about how you may control the cardinality estimator version and determine which version was used to build a plan. 這是一篇有關如何控制基數估計器版本以及確定用于構建計劃的版本的小文章。 The version of the cardinality framew

BL的負擔 (What a load of Bl…) 您可能想知道什么是商業智能。 如果您正在閱讀本文，則您可能具有Microsoft SQL Server或至少一個其他關系數據庫管理系統（RDBMS）的經驗。 在這種情況下，您可能習慣于管理大量有價值的數據。 如果您是DBA，

sql 標量子查詢 Nowadays a lot of developers use Object-Relational Mapping (ORM) frameworks. ORM is a programming technique that maps data from an object-oriented to a relational format, i.e. it allows a developer to abstract from a relational database (SQ

sql limit 子句 The SQL Join clause is one of the major components of the Select statement, which is used to pull data out of SQL Server sql倒序排序語句。 SQL Join子句是Select語句的主要組成部分之一，用于將數據從SQL Server中拉出 The Select keyword sta

sql概述數據庫SQL， This article explains the SQL Notebook feature in Azure Data Studio along with the Markdown language to customize it. 本文介紹了Azure Data Studio中SQL Notebook功能以及用于自定義它的Markdown語言。 Azure Data Studio is a cross-platform to

sql replace函數 In this article, I’ll show you how to find and replace data within strings. I will demonstrate how to use the function SQL REPLACE, where you look for a substring within a string, and then replace it. 在本文中，我將向您展示如何在字符

sql server的搜索 介紹 (Introduction) In most cases, we will use clustered and non-clustered indexes to help a query go faster, but these kinds of indexes have their own limitations and cannot be used for fast text lookup. For instance, a LIKE operator wil