11 2023 档案
SQL server之IP地址计算
摘要：DECLARE @ip AS VARCHAR(15) = '1.0.0.0' -- 将IP地址转换为整数DECLARE @ipInt AS INT = (CAST(PARSENAME(@ip, 4) AS INT) * POWER(256, 3)) + (CAST(PARSENAME(@ip, 3)
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