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4D v20 R7
LEFT
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The LEFT function returns the leftmost part of the arithmetic_expression passed. The second arithmetic_expression indicates the number of leftmost characters to return as extracted from the first arithmetic_expression indicated.
This example returns the first names and first two letters of the last names from the PEOPLE table:
SELECT FirstName, LEFT(LastName, 2)
FROM PEOPLE;
Produkt: 4D
Thema: Functions
4D - SQL Reference ( 4D v20 R7)