此例子是使用LINQ2Dapper封装,效率优于EntityFramwork,并且支持.NetFramework和.NetCore框架,只依赖于Dapper支持.net framework4.6.1及以上 支持.net core2.0及以上 目录 [LINQ2Dapper]最完整Dapper To Linq框架(一)---基础查询 [LINQ2Dapper]最完整Dapper To Linq框架(二)---动态化查询 [LINQ2Dapper]最完整Dapper To Linq框架(三)---实
Oracle查看所有用户及其权限:Oracle数据字典视图的种类分别为:USER,ALL 和 DBA. USER_*:有关用户所拥有的对象信息,即用户自己创建的对象信息 ALL_*:有关用户可以访问的对象的信息,即用户自己创建的对象的信息加上其他用户创建的对象但该用户有权访问的信息DBA_*:有关整个数据库中对象的信息 (这里的*可以为TABLES,INDEXES,OBJECTS,USERS等.) 1.查看所有用户 select * from dba_user;select * from all
1.查看所有用户:select * from dba_users; select * from all_users; select * from user_users; 2.查看用户或角色系统权限(直接赋值给用户或角色的系统权限):select * from dba_sys_privs; select * from user_sys_privs; (查看当前用户所拥有的权限) 3.查看角色(只能查看登陆用户拥有的角色)所包含的权限sql>select * from role_sys_
1.用户 查看当前用户的缺省表空间 SQL>select username,default_tablespace from user_users; 查看当前用户的角色 SQL>select * from user_role_privs; 查看当前用户的系统权限和表级权限 SQL>select * from user_sys_privs; SQL>select * from user_tab_privs; 显示当前会话所具有的权限 SQL>select * from sessi
查看用户和默认表空间的关系select username,default_tablespace from dba_users;--查看当前用户能访问的表select * from user_tables; --Oracle查询用户表select * from user_all_tables; --Oracle查询用户视图select * from user_views;--查询所有函数和储存过程:select * from user_source;--查询所有用户:select * from a
http://qq85609655.iteye.com/blog/2113960 1)我们先通过status命令查看Mysql运行状态 mysql> status; -------------- mysql Ver 14.14 Distrib 5.1.73, for redhat-linux-gnu (x86_64) using readline 5.1 Connection id: 113752 Current database: information_schema Current user
用户同步的sql: insert into crm_customer_user ,username,,,,,id, from sys_user where username not in (select user_name from crm_customer_user); -- ) from sys_user where username not in (select user_name from crm_customer_user); UPDATE crm_customer_user SET
SELECT procpid, START, now() - START AS lap, current_query FROM ( SELECT backendid, pg_stat_get_backend_pid (S.backendid) AS procpid, pg_stat_get_backend_activity_start (S.backendid) AS START, pg_stat_get_backend_activity (S.backendid) AS current_que
SELECT procpid, start, now() - start AS lap, current_query FROM (SELECT backendid, pg_stat_get_backend_pid(S.backendid) AS procpid, pg_stat_get_backend_activity_start(S.backendid) AS start, pg_stat_g
1. 查看 SQL 2005 用户所属数据库角色 use yourdb go select DbRole = g.name, MemberName = u.name, MemberSID = u.sid from sys.database_principals u, sys.database_principals g, sys.database_role_members m where g.principal_id = m.role_principal_id and u.principal_id
select TABLE_NAME from user_tables //当前用户表 select TABLE_NAME from dba_tables //所有用户表+系统表 select TABLE_NAME from all_tables //所有用户表 select TNAME from tab select TABLE_NAME from cat; select * from dba_objects;
select username,lockwait,status,machine,program from v$session where sid in (select session_id from v$locked_object); select sql_text from v$sql where hash_value in ( select sql_hash_value from v$session where sid in (select session_id from v$locked_