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Column splitting in MySQL can be done by the language of text or the number of rows using the following methods:

1. Splitting based on language:

If you want to split a column in MySQL based on the language of the text, you can use the SUBSTRING_INDEX() function. This function is used to extract a substring from a string in MySQL.

For example, if you have a column with text in different languages and you want to split it into separate columns based on the language, you can use the following query:

SELECT SUBSTRINGINDEX(columnname, ' ', 1) AS language1, SUBSTRINGINDEX(SUBSTRINGINDEX(columnname, ' ', 2), ' ', -1) AS language2, SUBSTRINGINDEX(SUBSTRINGINDEX(columnname, ' ', 3), ' ', -1) AS language3, SUBSTRINGINDEX(SUBSTRINGINDEX(columnname, ' ', 4), ' ', -1) AS language4 FROM tablename;

This query splits the column into four separate columns based on the language of the text, where each column represents a language.

1. Splitting based on number of rows:

If you want to split a column in MySQL based on the number of rows, you can use the SUBSTRING() function. This function is used to extract a substring from a string in MySQL.

For example, if you have a column with a long text and you want to split it into separate columns based on the number of rows, you can use the following query:

SELECT SUBSTRING(columnname, 1, 50) AS column1, SUBSTRING(columnname, 51, 50) AS column2, SUBSTRING(columnname, 101, 50) AS column3 FROM tablename;

This query splits the column into three separate columns of 50 characters each. You can adjust the number of characters based on your requirement.