如何计算表格的列数
例如:
tbl_ifo
id | name | age | gender
----------------------------
1 | John | 15 | Male
2 | Maria | 18 | Female
3 | Steph | 19 | Female
4 | Jay | 21 | Male
如何使用mysql统计这个表的列数?
How can I count the columns of this table using mysql?
推荐答案
SELECT count(*)
FROM information_schema.columns
WHERE table_name = 'tbl_ifo'
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