1
與功能,我可以找到行與指定的值:mysql中in函數的反義詞是什麼?
SELECT * FROM table1 WHERE value IN (1,3,4);
,但我怎麼能選擇是不是1,3,4的值:
SELECT * FROM table1 WHERE value != (1,3,4);
與功能,我可以找到行與指定的值:mysql中in函數的反義詞是什麼?
SELECT * FROM table1 WHERE value IN (1,3,4);
,但我怎麼能選擇是不是1,3,4的值:
SELECT * FROM table1 WHERE value != (1,3,4);
,我認爲你是什麼尋找的是NOT IN
:
SELECT * FROM table1 WHERE value NOT IN (1,3,4);
SELECT * FROM table1
WHERE value IS NULL OR value NOT IN (1,3,4)
;
說明:
(a,b,b, NULL)
- >(a,b)
false
false
結果:
SELECT COUNT(*) FROM mytable WHERE color IN ('red', 'blue');
and
SELECT COUNT(*) FROM mytable WHERE color NOT IN ('red', 'blue');
無須數到:
SELECT COUNT(*) FROM mytable;
了 - 不,不是用的[SQL中的IN操作符瑜] – Strawberry 2014-09-10 15:49:55
可能重複(http://stackoverflow.com/questions/6219526/opposite -of-在運營商,在-SQL) – 2014-09-10 15:51:55