You can find a sample profile (DBReader.properties), configuration, and mapping files for this example in the $ORACLE_HOME/ldap/odi/confdirectory. In this example: The name of the table isEmployee. The Profile Name isTESTDBIMPORT.
1 insert 也可以结合with table as语句 2 多个with table as的写法
select count(*) from tb where 其它查询条件3; 1、with table as 相当于建个且则表(用于一个语句中某些中间成效放在且则表空间的SQL语句),Oracle 9i 新删WITH语法,可以也许将查询中的子查询命名,放到SELECT语句的最前面。 语法便是 with tempname as (select ...) select ... 例子: with t as (select...
1、with table as 相当于建个临时表(用于一个语句中某些中间结果放在临时表空间的SQL语句),Oracle 9i 新增WITH语法,可以将查询中的子查询命名,放到SELECT语句的最前面。 语法就是 with tempname as (select ...) select ... 例子: with t as (select * from emp where depno=10) select * from t wher...
Oracle with使用方法以及递归 数据准备 表结构 -- 部门表 CREATETABLEDEPT ( dept_no VARCHAR2(5)NOTNULL, dept_name VARCHAR2(255)NOTNULL, PRIMARYKEY(dept_no) ); -- 添加注释 COMMENTONTABLEDEPTIS'部门表'; COMMENTONCOLUMNDEPT.dept_noIS'部门编码';...
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Oracle Database XE also provides a highly useful, easy-to-use Web-based administrative tool that is built on Oracle Application Express. Figure 2 demonstrates this tool and again shows some of the objects (tables in this case) in the HR schema. Figure 2: HR Schema tables in Oracle Applicat...
ORACLE-WITH 子句详解 概述 with 子句是在oracle 9i release 2 中引入的。with 子句又叫做子查询构造语句。可以用来给一个子查询块命名。 该查询块的检索结果会被oracle 保存在用户的临时表空间中,该命名块就像虚表或者内联视图一样。 语法 代码语言:javascript...
Select from theDUALtable. Copy select*from dual; Example Output: Copy SQL> select * from dual; D - X Select the system date. Copy selectsysdate; Example Output: Copy SQL> select sysdate; SYSDATE --- 14-APR-23 Exit SQL*Plus. Copy quit...