'0123456789')) <> length(trim(a.t_no)); 2.replace 语法:REPLACE(char, search_string,replacement_string) 用法:将char中的字符串search_string全部转换为字符串replacement_string。 举例:SQL> select REPLACE('fgsgswsgs', 'fk' ,'j') 返回值 from dual; 返回值 --- fgsgswsgs SQL> select REPLACE...
就可以实现非贪婪或最小匹配*/selectregexp_replace(json,'(\{"advantage\S*?unitName":")|(","unitRemark\S*?\})|\[|\]','')fromtb/*结果:XX公司,YY公司*/ 使用例子4(替换字符串中的日期): select'测试 (2022-09-01)', regexp_replace('测试 (2022-09-01)','(\d{4}-\d{2}-\d{2}...
就可以实现非贪婪或最小匹配*/selectregexp_replace(json,'(\{"advantage\S*?unitName":")|(","unitRemark\S*?\})|\[|\]','')fromtb/*结果:XX公司,YY公司*/ 使用例子4(替换字符串中的日期): select'测试 (2022-09-01)', regexp_replace('测试 (2022-09-01)','(\d{4}-\d{2}-\d{2}...
项目设置(转换)(OracleToSQL) “项目设置”对话框的“转换”页面包含一些设置,用来自定义 SSMA 如何将 Oracle 语法转换为 SQL Server 语法。 “项目设置”和“默认项目设置”对话框中提供了“转换”窗格: 要指定用于所有 SSMA 项目的设置,请在“工具”菜单上单击“默认项目设置”,从“迁移目标版本”下拉列表中选择...
This SQL query demonstrates the use of nested REPLACE functions to perform multiple replacements within a single string.The first REPLACE function substitutes 'quick' with 'slow' in the string 'The quick brown fox jumps over the lazy dog', resulting in 'The slow brown fox jumps over the lazy...
一、概述: PL/pgSQL函数在第一次被调用时，其函数内的源代码(文本)将被解析为二进制指令树，但是函...
创建/查看/调用/删除存储过程 创建：CREATE OR REPLACE PROCEDURE procedure_name IS BEGIN ... END; 查看：查询dba_source或user_source视图。 调用：EXECUTE procedure_name; 删除：DROP PROCEDURE procedure_name;创建/查看/授权/撤销/删除视图 创建：CREATE VIEW view_name AS SELECT ...; 查看：...
SQL 複製 CREATE OR REPLACE PACKAGE MY_PACKAGE IS space varchar(1) := ' '; unitname varchar(128) := 'My Simple Package'; ts date := sysdate; END; SSMA 會將它轉換成下列 Transact-SQL 程式代碼: SQL 複製 CREATE PROCEDURE dbo.MY_PACKAGE$SSMA_Initialize_Package AS BEGIN EXECUTE ssma_o...
"The version of SQL*PLUS that is accessible through the system Path variable is not current enough to support Oracle publishing. Make certain that a current version of the Oracle client code is installed at the distributor." If you have multiple versions of the Oracle clien...
@generate_multiple_awr_reports.sql-- Last Modified: 02/08/2007-- ---CREATE OR REPLACE DIRECTORY awr_reports_dir AS '/tmp/';DECLARE-- Adjust before use.l_snap_start NUMBER := 1;l_snap_end NUMBER := 10;l_dir VARCHAR2(50) := 'AWR_REPORTS_DIR';l_last_snap NUMBER := NULL;l_...