LIKE操作符 通配符（wildcard）： 用来匹配值的一部分的特殊字符。 百分号(%)通配符 最常使用的通配符是百分号（%）。在搜索串中，%表示任何字符出现任意次数： SELECT prod_id, prod_name FROM Products ;
LIKE操作符
通配符（wildcard）：
用来匹配值的一部分的特殊字符。
百分号(%)通配符
最常使用的通配符是百分号（%）。在搜索串中，虚拟主机，香港服务器，%表示任何字符出现任意次数：
SELECT prod_id, prod_name FROM Products ; ，香港空间
MySQL: BLOB and other no-sql storage, what are the differences?May 13, 2025 am 12:14 AMMySQL'sBLOBissuitableforstoringbinarydatawithinarelationaldatabase,whileNoSQLoptionslikeMongoDB,Redis,andCassandraofferflexible,scalablesolutionsforunstructureddata.BLOBissimplerbutcanslowdownperformancewithlargedata;NoSQLprovidesbetterscalabilityand
MySQL Add User: Syntax, Options, and Security Best PracticesMay 13, 2025 am 12:12 AMToaddauserinMySQL,use:CREATEUSER'username'@'host'IDENTIFIEDBY'password';Here'showtodoitsecurely:1)Choosethehostcarefullytocontrolaccess.2)SetresourcelimitswithoptionslikeMAX_QUERIES_PER_HOUR.3)Usestrong,uniquepasswords.4)EnforceSSL/TLSconnectionswith
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