The maximum value is the value that would be returned last in an ORDER BY on the same column. Aggregate max() returns NULL if and only if there are no non-NULL values in the group. X) The min() aggregate function returns the minimum non-NULL value of all values in the group. Then, the GROUP _ CONCAT () function applies to each group to concatenate track names. Also use JOIN to join tables.

JOIN, GROUP_CONCAT using distinct with. ABSTRACTSITEM_ID JOIN ABSTRACT_AUTHOR AAU ON AAU. Group different rows in one by combining. Using ORDER BY clause inside GROUP_CONCAT.
Sqlite group_concat ordering. The CONCAT command known from MySQL and used to join several columns and strings is not provided by SQLite. We use the tracks table from the sample database for the demonstration.
GROUP _ CONCAT (expression, separator) – returns a string that is the concatenation of all non-NULL values of the input expression separated by the separator. The following statement returns the album id and the number of tracks per album. The function COUNT() is an aggregate function that returns the number of items in a group.
Introduction to Window Functions. A window function is an SQL function where the input values are taken from a window of one or more rows in the set of a SELECT statement. How to use distinct in group_concat, together with specified separator.
