解决Oracle　ORA-00911错误的一个方法_course

运行时发现执行PreparedStatement ps = conn.prepareStatement("select 1 from dual;");时报错： java.sql.SQLExceptio

String.StartsWith 方法的bug_course

string data = "\u200Eabcdef"; while (data.StartsWith("\u200E"))    data = data.Substring(1); 最终的结果是d

把oracle start with 转为 sql server with语句，创建视图不成功_course

oracle start with语句 create or replace view VV_Select as select "CORPCODE","CORPDESC","USERCODE","USERDESC" from ( select bc.corpcode,bc.corpdesc, aa.usercode,aa.userdesc from base_corp bc,base_user aa where bc.corpcode in (select distinct(corpcode) from base_corp t start with t.corpcode in (select c.corpcode from RIGHT_RIGHTUSER A, BASE_CORP c WHERE A.DATACODE = c.CORPCODE AND A.CLASSFICATIONID = '1' AND A.USERCODE = aa.usercode) CONNECT BY PRIOR t.corpid = t.parentid) ) a group by a.corpcode, a.corpdesc, a.usercode, a.userdesc; SQL SERVER with 语句 create view VV_Select as select CORPCODE,CORPDESC,USERCODE,USERDESC from ( SELECT BC.CORPCODE, BC.CORPDESC, AA.USERCODE, AA.USERDESC FROM MLS_BASE_CORP BC, MLS_BASE_USER AA WHERE BC.CORPCODE IN (WITH STEPCTE(CORPCODE) AS (SELECT DISTINCT (CORPCODE) FROM MLS_BASE_CORP T WHERE T.CORPCODE IN (SELECT C.CORPCODE FROM MLS_RIGHT_RIGHTUSER A, MLS_BASE_CORP C, MLS_BASE_USER UU WHERE A.DATACODE = C.CORPCODE AND A.CLASSFICATIONID = '1' AND A.USERCODE = UU.USERCODE) UNION ALL SELECT A.CORPCODE FROM MLS_BASE_CORP A INNER JOIN STEPCTE CTE ON CTE.CORPCODE = A.CORPCODE) SELECT CORPCODE FROM STEPCTE ) ) a group by a.corpcode, a.corpdesc, a.usercode, a.userdesc; 创建的时候报错 [Err] 42000 - [SQL Server]关键字 'WITH' 附近有语法错误。 42000 - [SQL Server]关键字 'with' 附近有语法错误。如果此语句是公用表表达式、xmlnamespaces 子句或者更改跟踪上下文子句，那么前一个语句必须以分号结尾。 42000 - [SQL Server]')' 附近有语法错误。

oracle ORA-00911: 无效字符 问题_course

SQL>create table article ( id number primary key, fid number, cont varchar2(10000), isleaf number(1)

神奇的问题。SQL 错误: ORA-00911: 无效字符 00911. 00000 - "invalid character"_course

下面语句出错，出现（QL 错误: ORA-00911: 无效字符 00911. 00000 - "invalid character"）的错误。 insert into CUST_BFJL (ZCJH