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POASK MySQL Query SUM different table
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  1. POASK MySQL Query SUM different table
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    copied!<p>Hello i want to ask about sum query, I experienced confusion when performing a query.</p> <p>I want to calculate the total current.</p> <p>SUM For INCOMING Material</p> <pre><code>select (select sum(jumlah) from warehouse where tgl_invoice &gt;= '2013-03-17' AND tgl_invoice &lt;='2013-03;18' and kode=a.kode) total,a.kode,a.nama from warehouse a group by a.kode; </code></pre> <p>Result :</p> <hr> <pre> +-------+---------+------------+ | total | kode | nama | +-------+---------+------------+ | 4 | ACLG001 | AC LG 1 pk | | 180 | P001 | Spindle | | 40 | S012 | Cable | +-------+---------+------------+ </pre> <p>SUM For <strong>use of material (goods)</strong></p> <pre><code>select (select sum(jumlah) from use_material where tanggal &gt;= '2013-03-17' AND tanggal &lt;='2013-03;18' and kode_barang=a.kode) total,a.kode,a.nama from warehouse a group by a.kode; </code></pre> <p>Result : </p> <hr> <pre> +-------+---------+------------+ | total | kode | nama | +-------+---------+------------+ | NULL | ACLG001 | AC LG 1 pk | | 20 | P001 | Spindle | | 10 | S012 | Cable | +-------+---------+------------+ </pre> <p>And now I want to SUM <strong>Incoming Material(goods)</strong> minus <strong>use of material (goods)</strong></p> <pre><code> select (select sum(jumlah) from warehouse where tgl_invoice &gt;= '2013-03-17' AND tgl_invoice &lt;='2013-03;18' and kode=a.kode) - (select sum(jumlah) from use_material where tanggal &gt;= '2013-03-17' AND tanggal &lt;='2013-03;18' and kode_barang=a.kode) total,a.kode,a.nama from warehouse a group by a.kode; </code></pre> <p>Result :</p> <hr> <pre> +-------+---------+------------+ | total | kode | nama | +-------+---------+------------+ | NULL | ACLG001 | AC LG 1 pk | | 160 | P001 | Spindle | | 30 | S012 | Cable | +-------+---------+------------+ </pre> <p>In here is an error in calculating. should AC LG 1 PK must be valued 4. but in result NULL</p> <p>Please Answer.</p>
 

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