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小tips:列出mysql中指定表的列数

脱下愤怒的小裤衩 2022-12-05 阅读 79


假如要得出mysl中某个表的列的个数,可以这样做,很简单:

SELECT COUNT(*) AS Columns
FROM INFORMATION_SCHEMA.COLUMNS
WHERE table_schema = 'database name'
AND table_name = 'table name'

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