mysql

[Solved] MySQL + JAVA Exception: Before start of result set [duplicate]

by

In your code snippet you create PreparedStatements but you do not use them correctly. Prepared statements are meant to be used as a kind of ‘statement template’ which is bound to values before it executes. To quote the javadoc: PreparedStatement pstmt = con.prepareStatement( “UPDATE EMPLOYEES SET SALARY = ? WHERE ID = ?”); pstmt.setBigDecimal(1, 153833.00) … Read more

[Solved] MySQL/SQL query with errors [closed]

by

Use this way, UPDATE shopproducts AS wesp JOIN currencies AS wec JOIN shopcategories AS wesc JOIN shops AS wes SET wesp.totalprice = case when (wesc.adelivery = 1) then ROUND(wesp.price / 100 * wec.value, 0) + wes.adelivery …..(like this way all the when) end WHERE wesp.currency = wec.name AND wesp.sortcategory = wesc.category AND wesp.shop = wes.name … Read more

[Solved] Which actors have worked with the greatest numbers of other actors in the set of films observed in the data?

by

select a.*,COUNT(Distinct c.actor_id) as countOfAllOtherActorsInAllHisFilms from actor a left join film_actor b ON a.actor_id = b.actor_id left join film_actor c ON ( b.film_id = c.film_id AND c.actor_id != a.actor_id) WHERE 1 GROUP BY a.actor_id ORDER BY countOfAllOtherActorsInAllHisFilms DESC in case you’d like to filter out set of films: select a.*,COUNT(Distinct c.actor_id) as countOfAllOtherActorsInAllHisFilms from actor … Read more

[Solved] Codeigniter – Using codeigniter email library, how do i send the email to a database list?

by

There is no native mapping of db table to email, so you have to first select, then retrieve then send $query = $this->db->query(“SELECT emailAddress from table”); //select email addresses $sendTo=array(); foreach ($query->result() as $row) //loop to build array { $sendTo[]=$row->emailAddress; //add to array } $this->email->to($sendTo);//send email Of course I have had to guess you tables … Read more

[Solved] Everything is showing rather than what i need [closed]

by

Well, then just remove this fields from your SELECT clause : SELECT `inmate`.`fname` , `inmate`.`lname` , `facility`.`name` FROM inmate LEFT JOIN `prison`.`facility_inmate` ON `inmate`.`inmate_id` = `facility_inmate`.`inmate_id` LEFT JOIN `prison`.`facility` ON `facility_inmate`.`facility_id` = `facility`.`facility_id` solved Everything is showing rather than what i need [closed]

[Solved] MYSQL/PHP SELECT DISTINCT

by

Looks like the query is actually pulling 3 results as it should. You are just letting one of them go: function adminnav (){ $pagewcoms = mysql_query(…); // HERE YOU FETCH ONE ROW BUT DO NOTHING WITH IT $idnavrow = mysql_fetch_row($pagewcoms); while ($itest = mysql_fetch_row($pagewcoms)) { echo “$itest[0] <br />”; } } If you just remove … Read more

[Solved] How to delete mySQL records that are empty? [closed]

by

If your meta_key is null you can use delete from your_table where meta_key is null If it is just an empty string use delete from your_table where meta_key = ” and if your meta_key contains just spaces then use (which could run slower) delete from your_table where trim(meta_key) = ” 3 solved How to delete … Read more

[Solved] mysql combine two query into one query [closed]

by

just use join if two queries are fine then below will work select t1.PT_PEMBERI,t2.PT_PENERIMA from (SELECT nl.ID, p.NAMA_PT AS PT_PEMBERI FROM perusahaan p LEFT JOIN penerima_waralaba pw ON pw.ID_PERUSAHAAN = p.ID LEFT JOIN outlet o ON o.ID_PENERIMA_WARALABA = pw.ID LEFT JOIN nomor_logo nl ON nl.ID = o.NOMOR_LOGO_WARALABA WHERE nl.NOMOR_LOGO = ‘WI-0010205-610’ )t1 inner join ( … Read more

[Solved] Cannot modify header information – headers already sent by (output started at 22 [duplicate]

by

header(“Location: login.php”); is called after you send content (maybe an error in your includes), you should put this one before any showed contents. I see you do that : echo $Nama; It’s the kind of thing that makes a headers already sent by error… 2 solved Cannot modify header information – headers already sent by … Read more