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- 4D - SQL Reference
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- Functions
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SQL Functions
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ABS
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ACOS
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ASCII
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ASIN
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ATAN
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ATAN2
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AVG
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BIT_LENGTH
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CAST
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CEILING
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CHAR
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CHAR_LENGTH
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COALESCE
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CONCAT
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CONCATENATE
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COS
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COT
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COUNT
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CURDATE
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CURRENT_DATE
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CURRENT_TIME
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CURRENT_TIMESTAMP
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CURTIME
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DATABASE_PATH
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DATE_TO_CHAR
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DAY
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DAYNAME
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DAYOFMONTH
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DAYOFWEEK
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DAYOFYEAR
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DEGREES
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EXP
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EXTRACT
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FLOOR
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HOUR
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INSERT
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LEFT
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LENGTH
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LOCATE
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LOG
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LOG10
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LOWER
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LTRIM
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MAX
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MILLISECOND
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MIN
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MINUTE
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MOD
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MONTH
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MONTHNAME
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NULLIF
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OCTET_LENGTH
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PI
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POSITION
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POWER
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QUARTER
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RADIANS
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RAND
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REPEAT
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REPLACE
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RIGHT
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ROUND
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RTRIM
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SECOND
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SIGN
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SIN
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SPACE
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SQRT
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SUBSTRING
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SUM
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TAN
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TRANSLATE
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TRIM
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TRUNC
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TRUNCATE
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UPPER
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WEEK
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YEAR
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SUBSTRING
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The SUBSTRING function returns a substring of the first arithmetic_expression passed. The second arithmetic_expression indicates the starting position of the substring and the optional third arithmetic_expression indicates the number of characters to return counting from the starting position indicated. If the third arithmetic_expression is not passed, the function will return all the characters starting from the position indicated.
This example will return 4 characters of the store name starting with the 2nd character:
SELECT SUBSTRING(Store_name,2,4)
FROM Geography
WHERE Store_name = 'Paris';
Produkt: 4D
Thema: Functions
4D - SQL Reference ( 4D v20)
