就结果而言,这两种说法有什么区别?
SELECT * FROM DTSEARCHER
WHERE word LIKE '%[^a-zA-Z0-9]%'
SELECT * FROM DTSEARCHER
WHERE word not LIKE '%[^a-zA-Z0-9]%'
就结果而言,这两种说法有什么区别?
SELECT * FROM DTSEARCHER
WHERE word LIKE '%[^a-zA-Z0-9]%'
SELECT * FROM DTSEARCHER
WHERE word not LIKE '%[^a-zA-Z0-9]%'