SQL共4篇
MySQL max_allowed_packet错误解决-Ddmit

MySQL max_allowed_packet错误解决

MySQL查询报错: ### Error querying database. Cause: com.mysql.cj.jdbc.exceptions.PacketTooBigException: Packet for query is too large (2,482 > 2,048). You can change this value ...
ddmit的头像-DdmitDdmit4年前
013520
SQL SERVER连接Secure Sockets Layer (SSL) 错误-Ddmit

SQL SERVER连接Secure Sockets Layer (SSL) 错误

今天java项目连接sql server突然连接不上了,报如下错误: com.microsoft.sqlserver.jdbc.SQLServerException: The driver could not establish a secure connection to SQL Server by using Se...
ddmit的头像-DdmitDdmit4年前
015410
SQL根据查询结果更新数据-Ddmit

SQL根据查询结果更新数据

一、SQL SERVER 情形1:根据关联字段更新 UPDATE Table_A SET Table_A.col1 = Table_B.col1, Table_A.col2 = Table_B.col2 FROM Some_Table AS Table_A INNER JOIN Other_Table AS Table_B ON Ta...
ddmit的头像-DdmitDdmit4年前
017260
SQL SERVER插入数据(主键列自增)-Ddmit

SQL SERVER插入数据(主键列自增)

插入数据SQL示例: SET IDENTITY_INSERT [dbo].[tb_peidang_rijihua] ON INSERT INTO [dbo].[tb_peidang_rijihua]([id], [chuangjianrenbianhao], [chuangjianshijian], [rijihuabianhao], [riq...
ddmit的头像-DdmitDdmit4年前
017200