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mysql - How do I count columns of a table

For example :

tbl_ifo

id | name  | age | gender 
----------------------------
1  | John  |  15 |  Male
2  | Maria |  18 |  Female
3  | Steph |  19 |  Female
4  | Jay   |  21 |  Male

How can I count the columns of this table using mysql?

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SELECT count(*)
FROM information_schema.columns
WHERE table_name = 'tbl_ifo'

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