–简单Case函数 CASE sex WHEN ‘1’ THEN ‘男’ WHEN ‘2’ THEN ‘女’ ELSE ‘其他’ END –Case搜索函数（WHEN 后还可以用 AND ,OR ） CASE WHEN sex = ‘1’ THEN ‘男’ WHEN sex = ‘2’ THEN ‘女’ ELSE ‘其他’ END
Directory creation is similar to step 4 above. Calls ApplyChanges on the service. The server receives the ApplyChanges call and determines that it is a batch file. It replaces the filename in the context with the new full path to the batch file on the local disk. The server passes the...
Whether you’re cleaning datasets or merging columns, SQL offers a simple yet powerful solution: the COALESCE() function. This tutorial will show you how COALESCE() works, when to use it, and how to apply it through practical examples—all in just a few lines of SQL. What Is COALESCE()...
to access other resources protected by Microsoft Entra ID, such as Azure SQL Database. These tokens don't represent any specific user of the application. Instead, they represent the application that's accessing the resource. In this case, for example, the token represents an Automation account....
The initial data must be present on each node before the topology is configured. Use SQL Server backup and restore functionality to initialize data for the publication at each node in the topology. The backup should come from the first node that is configured; in this case, that isServer A...
in those containers. For SQL Server outside of a container or for non-root containers, you must use a different ephemeral port (for example 13500) in the container, and traffic intended for port 135 must then be routed to that port. You would also need to configure port routing rules ...
case when OTPTradeId is NULL Then 'No' Else 'Yes' End as 'TCM' from Trade left join TCM on TradeID = OTPTradeId where tradedate = '17 Jun 2013' Viewing 5 posts - 1 through 4 (of 4 total) You must be logged in to reply to this topic.Login to reply...
When running SQL queries that contain aWHEREclause, the DBMS will apply the search condition to every row in the logical table defined by theFROMclause. It will then return only the rows for which every predicate in the search condition evaluates to “true.” ...
MySQL: Distinguishing It from SQL The acronym “SQL” stands for Structured Query Language, a type of programming language that’s used for manipulating data in a database. MySQL uses the SQL language to manage and query data in databases and, hence, uses the acronym as part of its name....
In this article Default and custom stored procedures Examples Related content Applies to: SQL Server Azure SQL Managed Instance Transactional replication allows you to specify how data changes are propagated from the Publisher to Subscribers. For each published table, you can specify one of four ...