sql_hash_value = c.hash_value; #查看正在执行sql的发起者的发放程序 SELECT A.serial#,OSUSER 电脑登录身份, PROGRAM 发起请求的程序, USERNAME 登录系统的用户名, SCHEMANAME, B.Cpu_Time 花费cpu的时间, STATUS, B.SQL_TEXT 执行的sql FROM V$SESSION A LEFT JOIN V$SQL B ON A.SQL_ADDRESS = B....
AI代码解释 # Oracle 检查高危权限SELECTgrantee,privilegeFROMdba_sys_privsWHEREprivilegeIN('UNLIMITED TABLESPACE','DROP ANY TABLE');# PostgreSQL 检查行级安全SELECTtablename,hasrowsecurityFROMpg_tablesWHEREschemaname='public';# MySQL 检查空密码账户SELECTuser,hostFROMmysql.userWHEREauthentication_string='';...
SQL Server 會建立登錄項目,以允許使用 SQL Server 在處理序中執行 Oracle 提供者。 如果讀取或寫入此登錄項目時發生問題,則會顯示下列錯誤訊息: "Unable to update the registry of distributor '%s' to allow Oracle OLEDB provider OraOLEDB.Oracle to run in process with SQL Server. Make certain that curre...
查询特定用户表的空间占用情况：sqlSELECT segment_name AS table_name, SUM / 1024 / 1024 AS space_mb FROM dba_segmentsWHERE segment_type = 'TABLE' AND owner = 'YOUR_SCHEMA_NAME'GROUP BY segment_nameORDER BY space_mb DESC;将YOUR_SCHEMA_NAME替换为你想查询的特定用户名，即可得...
SPOOL schema_cons_&puser DECLARE CURSOR cons_cur (v_userid VARCHAR2) IS SELECT * FROM dba_constraints WHERE owner = v_userid AND constraint_type in ('P','U','C','R') ORDER BY constraint_type; CURSOR col_cur (con_name VARCHAR2, con_owner VARCHAR2) IS ...
select u.name schema, sum(decode(o.type#, 1, 1, NULL)) indexes, sum(decode(o.type#, 2, 1, NULL)) tables, sum(decode(o.type#, 3, 1, NULL)) clusters, sum(decode(o.type#, 4, 1, NULL)) views, sum(decode(o.type#, 5, 1, NULL)) synonyms, sum(decode(o.type#, 6, 1,...
在CREATE TABLE 语句中添加了 Collate 子句,以启用区分大小写的比较,这对主键和唯一约束非常重要。 此行为通过架构选项 0x1000 控制,该选项使用sp_addarticle (Transact-SQL)的@schema_option参数指定。 如果使用存储过程来配置或维护 Oracle 发布服务器,请不要将存储过程放到显式事务中。...
select u.name schema, sum(decode(o.type#, 1, 1, NULL)) indexes, sum(decode(o.type#, 2, 1, NULL)) tables, sum(decode(o.type#, 3, 1, NULL)) clusters, sum(decode(o.type#, 4, 1, NULL)) views, sum(decode(o.type#, 5, 1, ...
The CREATE TABLE statement in Oracle databases is used to create new tables. GaussDB(DWS) also supports this statement. So it does not need to be migrated.The ALTER TABLE
SQL 複製 /* * LOCATION: Three-part identifier indicating database & domain or only database, schema, and table name. * DATA_SOURCE: The data source created above. */ CREATE EXTERNAL TABLE [T1] ( [KEY] DECIMAL(38) NOT NULL, [RANDOM_INT] DECIMAL(38), [RANDOM_FLOAT] FLOAT(53)) WI...