有如下一个单词表(WordList):
Word NewWord Book 字段
look Yes NCE_1
play No NCE_1
while No NCE_1
bad Yes NCE_1
good No NCE_2
new Yes NCE_2
old Yes NCE_2
take Yes NCE_3
ask No NCE_3
name No NCE_4
title No NCE_4
still Yes NCE_4
please Yes NCE_5
sad No NCE_5
happy No NCE_5
girl No NCE_6
boy No NCE_6我要将NewWord=Yes, Book= NCE_1; NCE_3; NCE_5的所有单词选出来.
我尝试写了一个: sql= select * from WordList where NewWord='Yes' and (Book=NCE_1 or Book=NCE_3 or Book=NCE_5)
但是不行.请教该怎么写?
Word NewWord Book 字段
look Yes NCE_1
play No NCE_1
while No NCE_1
bad Yes NCE_1
good No NCE_2
new Yes NCE_2
old Yes NCE_2
take Yes NCE_3
ask No NCE_3
name No NCE_4
title No NCE_4
still Yes NCE_4
please Yes NCE_5
sad No NCE_5
happy No NCE_5
girl No NCE_6
boy No NCE_6我要将NewWord=Yes, Book= NCE_1; NCE_3; NCE_5的所有单词选出来.
我尝试写了一个: sql= select * from WordList where NewWord='Yes' and (Book=NCE_1 or Book=NCE_3 or Book=NCE_5)
但是不行.请教该怎么写?
SELECT * FROM WordList
WHERE NewWord='Yes'
AND Book IN ('NCE_1','NCE_3','NCE_5')
WHERE NewWord='Yes' AND Book IN ('NCE_1','NCE_3','NCE_5')
SELECT * FROM WordList
WHERE NewWord='Yes'
AND Book IN ('NCE_1','NCE_3','NCE_5')你自己写的那个字符打上单引号就对了SELECT *
FROM WordList
WHERE (NewWord = 'Yes') AND (Book IN ('NCE_1', 'NCE_3', 'NCE_5'))