теорема пифагора
Одно из самых знаменитых геометрических доказательств без слов:

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INSERT INTO test ;
VALUES ("Ph'nglui mglw'nafh Cthulhu R'lyeh wgah'nagl fhtagn.")
_CLIPTEXT = test.field1 && This line will produce an error.
_CLIPTEXT = ALLTRIM(test.field1) && This line will not.