4D v12.1
SIGN
- 4D - SQLリファレンス
-
- 関数
-
- SQL関数
- ABS
- ACOS
- ASCII
- ASIN
- ATAN
- ATAN2
- AVG
- BIT_LENGTH
- CAST
- CEILING
- CHAR
- CHAR_LENGTH
- COALESCE
- CONCAT
- CONCATENATE
- COS
- COT
- COUNT
- CURDATE
- CURRENT_DATE
- CURRENT_TIME
- CURRENT_TIMESTAMP
- CURTIME
- DATABASE_PATH
- DATE_TO_CHAR
- DAY
- DAYNAME
- DAYOFMONTH
- DAYOFWEEK
- DAYOFYEAR
- DEGREES
- EXP
- EXTRACT
- FLOOR
- HOUR
- INSERT
- LEFT
- LENGTH
- LOCATE
- LOG
- LOG10
- LOWER
- LTRIM
- MAX
- MILLISECOND
- MIN
- MINUTE
- MOD
- MONTH
- MONTHNAME
- NULLIF
- OCTET_LENGTH
- PI
- POSITION
- POWER
- QUARTER
- RADIANS
- RAND
- REPEAT
- REPLACE
- RIGHT
- ROUND
- RTRIM
- SECOND
- SIGN
- SIN
- SPACE
- SQRT
- SUBSTRING
- SUM
- TAN
- TRANSLATE
- TRIM
- TRUNC
- TRUNCATE
- UPPER
- WEEK
- YEAR
4D v12.1
SIGN
SIGN
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SIGN関数は、arithmetic_expressionの符号を返します (正数は+1、負数は-1、または0)。
この例題はINVOICESテーブル中、すべての負のAMOUNTを返します:
SELECT AMOUNT
FROM INVOICES
WHERE SIGN(AMOUNT) = -1;プロパティ
プロダクト: 4D
テーマ: 関数
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