我在表格中有一个blob,其形式如下: -
[{"name":"CREATED_BY_JOHN","description":"","alg":"None","srcPort":"","dstPort":"2345","disableTimeout":false}]
我想升级blob" alg":"无"字段到" alg":" null"
如何在MySQL中执行此操作
我可以这样做: -
Update ApplicationEntity set protocolBlob='%"alg":"null"%' where protocolBlob like '%"alg":"None"%';