sqlserver 2000中每个服务器角色的解释,方便大家以后对于数据库权限有所了解。
固定服务器角色 描述sysadmin 在 SQL Server 中进行任何活动。该角色的权限跨越所有其它固定服务器角色。
serveradmin 配置服务器范围的设置。
setupadmin 添加和删除链接服务器，并执行某些系统存储过程（如 sp_serveroption）。
securityadmin 管理服务器登录。
processadmin 管理在 SQL Server 实例中运行的进程。
dbcreator 创建和改变数据库。
diskadmin 管理磁盘文件。
bulkadmin 执行 BULK INSERT 语句。
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db_owner 数据库所有者
db_accessadmin 数据库访问管理员
db_securityadmin 数据库安全管理员
db_ddladmin 数据库 DDL 管理员
db_backupoperator 数据库备份操作员
db_datareader 数据库数据读取者
db_datawriter 数据库数据写入者
db_denydatareader 数据库拒绝数据读取者
db_denydatawriter 数据库拒绝数据写入者
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MySQL: Can I search inside a blob?May 08, 2025 am 12:20 AMYes,youcansearchinsideaBLOBinMySQLusingspecifictechniques.1)ConverttheBLOBtoaUTF-8stringwithCONVERTfunctionandsearchusingLIKE.2)ForcompressedBLOBs,useUNCOMPRESSbeforeconversion.3)Considerperformanceimpactsanddataencoding.4)Forcomplexdata,externalproc
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