Question

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Find the number of columns in a table

I would like to know what is the query which enables to count the number of columns in a table in MySQL.
Something like :

SELECT COUNTNUMBEROFCOLUMN(*) FROM mytable

Answer 1

The columns and information:

DESCRIBE my_table;

Using the “Data Dictionary” INFORMATION_SCHEMA to know the number of columns from a table:

SELECT COUNT(*) FROM `INFORMATION_SCHEMA.COLUMNS` WHERE TABLE_NAME='my_table'

Is that what you mean?