Data modification and update is one of the core tasks of database management, especially in dynamic and rapidly changing environments. This article will delve into how to efficiently modify and update records in a MySQL database. In particular, we will specifically demonstrate how these operations are implemented by using the "Three Kingdoms" game data as an example. The article is mainly intended for readers with basic database knowledge.
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Modification of table records
In database management, modification of records is a common but important task. For example, in the game "Three Kingdoms", it may be necessary to update the attributes or status of characters (such as Liu Bei, Cao Cao, etc.).
In MySQL, you can use UPDATEstatements to modify records in a table. Suppose there is a sanguo_wujiangtable named and you want to update Liu Bei's attack power:
update 表名
set 字段名1=值1,字段名2=值2