CostCol) KEEP(DENSE_RANK LAST ORDER BY t2.DateCol) as ctotGROUP BY column1, column2, SUBSTRt2.column1 = t1.column1 AND t2.column4 = t1.column4 WHERE t1.I
使用包含任意数量的字段/值对的CLOB字段。该对的格式始终为"fieldname":"value“。如何从以下字符串中选择街值?
{"dob":"08/08/2000","gender":"F","fedethnicity":"0","race_W":"Y","street":"1234 Main St",
我想问一下substr()函数。我有这样的密码:$word = 'diriku'; //first condition
if ( (substr($word,-3)=="kah") or (substr($word,-3)=="lah") or (substr($word,-3)=="pun") or (substr($wo