如下:一张订单表多个字段关联用户表: 1.链表查询 SELECT cu.id AS 'id',cu.version AS 'version',cu.cid AS 'cid',cu.uid AS 'uid',cu.shopName AS 'shopName',cu.address AS 'address', cu.totalPrice AS 'totalPrice',cu.orderType AS 'orderType', cu.state AS 'state',cu.cCreateTime AS…
CREATE OR REPLACE FUNCTION C2B (b IN CLOB default empty_clob()) RETURN BLOB -- typecasts BLOB to CLOB (binary conversion) IS res BLOB; b_len number := dbms_lob.getlength(b) ; dest_offset1 NUMBER := ; src_offset1 NUMBER := ; amount_c INTEGER := DBMS_L…
: insert into b(col1,col2 )select col1,col2 where not exists(select a.col1 from a where a.col1 = b.col1) : INSERT INTO B (COL1, COL2) (SELECT COL1, COL2 FROM A MINUS SELECT COL1, COL2 FROM B) : 使用merge merge into B using A on b.col=a.col --关联字段 when…
# -*- coding: utf-8 -*- """ Tencent is pleased to support the open source community by making 蓝鲸智云(BlueKing) available. Copyright (C) 2017 THL A29 Limited, a Tencent company. All rights reserved. Licensed under the MIT License (the "Li…
SELECT vtiger_orderitem.orderid, ( SELECT vtiger_users.last_name FROM vtiger_users WHERE vtiger_orderitem.signatory = vtiger_users.id ) AS signatory, ( SELECT vtiger_users.last_name FROM vtiger_users WHERE vtiger_orderitem.servicer = vtiger_users.id…