How do your bosses see placeholder? And the following statement, placeholder how to understand? Of the new advice, beginner
Where 1=1 ${the if (len (categ)==0, ""," the and m.c ategory in (' "+ categ +") "
)}

CodePudding user response:

, of course, no placeholder, the SQL you

Refer to the

Insert into test (id, name) values (?,?,?,?,? ,?) ; - the two question marks here, is two placeholders (parametric);

CodePudding user response:

reference 1st floor selling fruit net reply:

apparently, you this period of SQL is not a placeholder,

Refer to the

Insert into test (id, name) values (?,?,?,?,? ,?) ; - the two question marks here, is two placeholders (parametric);

Where is not behind the $$notation placeholder? What it should be