This repository contain all the sql basics required for the data analytics field with the query examples. - Nakul-Mali/MySQL-for-Data-Analytics ...

Stringの文字列から一部を取り出すためには、substringメソッドを使用します。 String test = 'abcdefghijklmnopqrstuvwxyz'; print (test.substring (2, 6)); // cdef 第一引数は開始位置、第二引数は終了位置を指定する情報で、最初の文字の前を0として、2文字目の前を1、3文字目の前を2というように数えていきます ...

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Is it possible to order by a substring in a returned field?I've got a query which returns at most probably around 10 or so rows of 1 column. However the way this data is formated, it'd be convient ...

Seems that the T-SQL supports what I'm trying to do, but whatever SQL crystal is using doesn't like the expression I'm using for the substring length. If I hard-code the substring length it works ...