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[英]MySQL - select distinct values from a column where values are separated by comma
[英]Select comma separated values from single column
您應該規范化數據。
但是,通過使用SUBSTRING_INDEX,您可以將Lookup_list分成幾列,如下所示
SELECT
SUBSTRING_INDEX(SUBSTRING_INDEX(Lookup_list, ',', 1), ',', -1) AS Lookup_1
, SUBSTRING_INDEX(SUBSTRING_INDEX(Lookup_list, ',', 2), ',', -1) AS Lookup_2
, SUBSTRING_INDEX(SUBSTRING_INDEX(Lookup_list, ',', 3), ',', -1) AS Lookup_3
, SUBSTRING_INDEX(SUBSTRING_INDEX(Lookup_list, ',', 4), ',', -1) AS Lookup_4
, SUBSTRING_INDEX(SUBSTRING_INDEX(Lookup_list, ',', 5), ',', -1) AS Lookup_5
FROM
[table]
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