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mysql where子句修剪不起作用_Mysql - Fatal编程技术网

mysql where子句修剪不起作用

mysql where子句修剪不起作用,mysql,Mysql,质疑 未返回任何记录尝试使用替换而不是修剪 SELECT * from tutorials_tbl WHERE TRIM(tutorial_title)='JAVATutorial'; 我认为您需要Replace而不是Trim SELECT * from tutorials_tbl WHERE replace(tutorial_title,' ','')='JAVATutorial' 修剪仅删除开头或结尾的不可见字符(如空格、表格、换行符等)。如果要使用其他空间,则必须使用其他命令,例如Re

质疑


未返回任何记录

尝试使用
替换
而不是
修剪

SELECT * from tutorials_tbl WHERE TRIM(tutorial_title)='JAVATutorial';

我认为您需要
Replace
而不是
Trim

SELECT * from tutorials_tbl WHERE replace(tutorial_title,' ','')='JAVATutorial'

修剪仅删除开头或结尾的不可见字符(如空格、表格、换行符等)。如果要使用其他空间,则必须使用其他命令,例如Replace

SELECT * from tutorials_tbl WHERE Replace(tutorial_title, ' ', '')='JAVATutorial';

JAVATutorial
JAVA Tutorial
在何处?Trim并不意味着你认为它是什么。应该是
SELECT*from tutorials\u tbl where Trim(Tutorial\u title)='JAVA Tutorial'输入客户将在其中发布的内容JAVATutorial@Bharanikumar然后您可以使用
Replace(教程标题“,”)
SELECT * from tutorials_tbl WHERE Replace(tutorial_title, ' ', '')='JAVATutorial';
SELECT * from tutorials_tbl WHERE REPLACE(tutorial_title)='JAVATutorial';