What does that first '?' mark mean? It makes no sense unless you are setting the value of id to '?'.

? as placeholder is only meaningful when you prepare the statement, not at the time you execute it. I think you missed the true meaning of placeholder.

For auto-increment field, you don't set value for it, otherwise what does that'auto-' mean? just take that field out from the insert statement, and database will fill in the right value for you.

In reply to Re: Re: Using SQL Placeholders correctly by pg
in thread Using SQL Placeholders correctly by perleager

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