mysql query for specific values are given for the null and processing an empty string

Others 2019-08-11 06:50:29 views: null

SELECT if (IFNULL (filedName, "specify the string") = "", "specify a string", filedName) 'renamed character name' FROM tableName;

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Origin www.cnblogs.com/dhrwawa/p/11333095.html

mysql query for specific values are given for the null and processing an empty string

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