mysql_query() expects parameter 2 to be resource, string given in [duplicate]

问题:

Possible Duplicate:
mysql_fetch_array() expects parameter 1 to be resource, boolean given in select

what's wrong with this line?

23. $result = mysql_query("INSERT INTO $tbl_name('city_id', 'city', 'state_id') VALUES('NULL, '.$city.","', '4421'') or die(mysql_error())"); 

I get this error message each time :

Warning: mysql_query() expects parameter 2 to be resource, string given in line 23

This my full code

回答1:

This is because of incorrect syntax and you column names in INSERT query should not be enclosed in quotes: try

$result = mysql_query("INSERT INTO ".$tbl_name."(city_id, city, state_id) VALUES(NULL, '".$city."','4421') or die(mysql_error()"; 

回答2:

You forgot to give closing " after after '4421'') and the syntax is incorrect!

Replace:

'NULL, '.$city.","', '4421'') or die(mysql_error())"); 

With

'NULL, '.$city.","', '4421'')") or die(mysql_error()); 

回答3:

mysql_query("INSERT INTO $tbl_name(city_id, city, state_id) VALUES(NULL, ".$city.",'4421')") or die(mysql_error()); 

Try this.

or die() is a php construct - you misplaced a bracket which meant it went inside the sql query.

This is why your error thinks that mysql_query() has a second parameter.

回答4:

Your query shoul be like this

mysql_query("INSERT INTO $tbl_name(city_id, city, state_id) VALUES('NULL, '.$city.","', '4421'") or die(mysql_error())); 

Columns without commas

回答5:

try mysql_query("INSERT INTO ".$tbl_name."(city_id, city, state_id) VALUES(NULL,'".$city."','4421')") or die(mysql_error());

i guess it should work this way..

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