phpmysql_connect("localhost", "oassda", "oas53a") or die(mysql_error());mysql_select_db("o345ja") or die(mysql_error());
// Create a MySQL table in the selec
mysqlt error: [1064: You have an error in your SQL syntax; check the manual that corresponds to your MySQLoverview ' at line 3] in EXECUTE("CREATE TABLE btConferences ( bID INTEGER UNSIGNED NOT NULL, title VARCHAR
在mysql中,我需要用空值更新Varchar列。我可以使用这样的查询:但是它只是用NULL作为字符串更新列,如果我在mysql函数上使用这个列数据,COALESCE(Volume,PackId) From books where BookId=5457
我需要COALESCE来获得第一个not null,如果我使用qoutes运行我的更新,它不会向mysql