为什么这个工作: SELECT * FROM Companies WHERE CompanyCode LIKE '%' AND BusinessUnitShortName LIKE 'CO%'
同时意味着这个不行: DECLARE @WHERECondition NVARCHAR(200) = ''
SET @WHERECondition = '''%'' AND BusinessUnitS
更新我在两个例子就是关于与条件DML First example合并 MERGE INTO bonuses D
USING (SELECT employee_id, salary, department_id FROM employees
WHERE department_id = 80) S
ON (D.employee_id = S.employee_id)
语法所以我想在使用过程插入数据库之前计算总成本。整个想法是检查,如果逾期付款为null,则不是null,如果该值是0 到目前为止,我有这样的: DELIMITER;;
CREATE OR REPLACE PROCEDURE add_transaction
(IN accTransactionId INT(11), IN auctionId INT(11), IN chittyA
我有一个包含ID值小于20,000,000的数字的行的表。该表结构如下: CREATE TABLE records(
id int(11) not null AUTO_INCREMENT,
... more data columns ...
) ENGINE=InnoDB AUTO_INCREMENT=16432352 DEFAULT CHARSET=utf8;
这是我的控
DELETE子句在单个查询我有以下表结构,对于一个上(UID,时间戳) Column | Type | Modifiers
----------------+-----------------------------+------------------------------------------------------
id | integer
我试图插入行返回到在PL/SQL ROWTYPE的表,但我有错误: ORA-00936: missing expression. 表类型声明在包头: TYPE t_retourResult IS TABLE OF RESULTATS%ROWTYPE;
和错误在封装主体插入: PROCEDURE EncoderResultats(p_tResultats IN t_resultats, p_tA