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CI_DB_query_builder::select_avg()

select_avg([$select = ''[, $alias = '']])

Parameters:	$select (string) – Field to compute the average of $alias (string) – Alias for the resulting value name
Returns:	CI_DB_query_builder instance (method chaining)
Return type:	CI_DB_query_builder

Adds a SELECT AVG(field) clause to a query.

Links:

http://www.codeigniter.com/user_guide/database/query_builder.html#CI_DB_query_builder::select_avg

doc_CodeIgniter

2016-10-15 16:31:20

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