sql常用语法

SELECT * FROM R107 WHERE SHIPPING_SN IN (
'9B40500001200099',
'9B40500001200015')

 

UPDATE SET SHIPPING_SN=SERIAL_NUMBER,备注多久修改的 REWORK_NO='20210506' R107 WHERE SHIPPING_SN IN (
'9B40500001200099',
'9B40500001200015')

删除所有数据保存当前月数据

 DELETE FROM tabel

WHERE 时间日期变量< DATE_SUB(NOW(),INTERVAL 1 MONTH)

时间查询

SELECT * FROM tabel

WHERE Date >'2021-10-20 10:00:19' AND DATE<'2021-10-20 10:00:40'
LIMIT 8

删除数据库

truncate table savedata

//Mysql数据插入数据库方法

 

LOAD DATA LOCAL INFILE "D:/123.txt" INTO --地址
TABLE SFC.`users` FIELDS TERMINATED BY ',';
(MODEL_NAME,对应字段);

/*获取数据库名称*/

 

SELECT table_name FROM information_schema.tables

 

WHERE table_schema = 'sfc' /*数据库名称*/

 

AND table_type = 'base table'