我的查询正在工作,但显示数据需要时间。你能帮我速战速决吗?
$sql="SELECT allinvty3.*, stock_transfer_tb.* from stock_transfer_tb
INNER JOIN allinvty3 on stock_transfer_tb.in_code = allinvty3.in_code
where stock_transfer_tb.in_code NOT IN (SELECT barcode.itemcode from barcode where stock_transfer_tb.refnumber = barcode.refitem)";https://stackoverflow.com/questions/51356369
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