{"id":246,"date":"2022-10-04T13:34:37","date_gmt":"2022-10-04T13:34:37","guid":{"rendered":"https:\/\/jassweb.com\/new22\/solved-how-to-update-stock-quantity-according-to-their-batch-numbers-closed\/"},"modified":"2022-10-04T13:34:37","modified_gmt":"2022-10-04T13:34:37","slug":"solved-how-to-update-stock-quantity-according-to-their-batch-numbers-closed-2","status":"publish","type":"post","link":"https:\/\/jassweb.com\/solved\/solved-how-to-update-stock-quantity-according-to-their-batch-numbers-closed-2\/","title":{"rendered":"[Solved] How to update stock quantity according to their batch numbers [closed]"},"content":{"rendered":"<h2> Introduction <\/h2>\n<p>[ad_1]<\/p>\n<p>When managing inventory, it is important to keep track of stock quantity according to their batch numbers. This ensures that you have the right amount of stock available for customers and that you are not overstocking or understocking. In this article, we will discuss how to update stock quantity according to their batch numbers. We will cover the different methods of tracking stock, how to update stock quantity, and how to ensure accuracy. By the end of this article, you should have a better understanding of how to update stock quantity according to their batch numbers.<\/p>\n<h2> Solution<\/h2>\n<p><\/p>\n<p>Assuming you are using a relational database, the following query should do the trick:<\/p>\n<p>UPDATE stock<br \/>\nSET quantity = quantity + (SELECT SUM(quantity)<br \/>\n                           FROM batch<br \/>\n                           WHERE stock.batch_number = batch.batch_number)<br \/>\nWHERE EXISTS (SELECT *<br \/>\n              FROM batch<br \/>\n              WHERE stock.batch_number = batch.batch_number); <\/p>\n<p><\/p>\n<div class=\"entry-content\" itemprop=\"text\">\n<script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-1088640234840270\" crossorigin=\"anonymous\"><\/script><br \/>\n<script><\/p>\n<p><\/script><\/p>\n<p><\/p>\n<div id=\"answer-66251156\" class=\"answer js-answer accepted-answer js-accepted-answer\" data-answerid=\"66251156\" data-parentid=\"66246809\" data-score=\"0\" data-position-on-page=\"1\" data-highest-scored=\"1\" data-question-has-accepted-highest-score=\"1\" itemprop=\"acceptedAnswer\" itemscope itemtype=\"https:\/\/schema.org\/Answer\">\n<div class=\"post-layout\">\n<div class=\"votecell post-layout--left\"><\/div>\n<div class=\"answercell post-layout--right\">\n<div class=\"s-prose js-post-body\" itemprop=\"text\">\n<p><strong>WARNING<\/strong> Your current code is vulnerable to SQL injection. Make sure to always use parameterized prepared statements and never use <code>die(mysqli_erro($con))<\/code> in your code.<\/p>\n<p>You can solve the problem without any PHP logic. It is always better to do such operations in one step in SQL. However, this task is not very easy to do in one step, but it is possible with one trick. The trick is to use a temporary variable in the <code>UPDATE<\/code> statement to keep track of used inventory.<\/p>\n<pre><code>$con-&gt;begin_transaction();\n\n$con-&gt;query('SET @qty = 7');\n$stmt = $con-&gt;prepare('UPDATE purchase_order \n    SET qty_avbl = qty_avbl-(@bought := LEAST(@qty,qty_avbl)), \n    qty_avbl = if(@qty := @<a rel=\"nofollow noopener\" target=\"_blank\" href=\"https:\/\/jassweb.com\/cdn-cgi\/l\/email-protection\" class=\"__cf_email__\" data-cfemail=\"e8999c91c5a88a879d8f809c\">[email\u00a0protected]<\/a>, qty_avbl, qty_avbl) \n    WHERE pid = ?\n    ORDER BY batch_number');\n$stmt-&gt;bind_param('s', $pid);\n$stmt-&gt;execute();\n\n$con-&gt;commit();\n<\/code><\/pre>\n<\/div>\n<div class=\"mt24\"><\/div>\n<\/div>\n<p> <span class=\"d-none\" itemprop=\"commentCount\">0<\/span> <\/p>\n<\/div>\n<\/div>\n<p>solved How to update stock quantity according to their batch numbers [closed] <\/p>\n<p><script data-cfasync=\"false\" src=\"https:\/\/jassweb.com\/cdn-cgi\/scripts\/5c5dd728\/cloudflare-static\/email-decode.min.js\"><\/script><script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-1088640234840270\" crossorigin=\"anonymous\"><\/script><br \/>\n<script><\/p>\n<p><\/script><\/div>\n<p>[ad_2]<\/p>\n<h1>Solved: How to Update Stock Quantity According to Batch Numbers<\/h1>\n<p>Keeping track of stock quantity according to batch numbers can be a tricky task. However, with the right tools and processes in place, it can be done efficiently and accurately. Here are some tips on how to update stock quantity according to batch numbers.<\/p>\n<h2>1. Use a Barcode Scanner<\/h2>\n<p>Using a barcode scanner is the most efficient way to update stock quantity according to batch numbers. This is because it eliminates the need for manual data entry and ensures accuracy. All you need to do is scan the barcode of the item and the scanner will automatically update the stock quantity.<\/p>\n<h2>2. Use a Stock Management System<\/h2>\n<p>Using a stock management system is another great way to update stock quantity according to batch numbers. This system will allow you to track the quantity of each item in each batch and update the stock quantity accordingly. It also allows you to set up alerts when stock levels are low, so you can restock in time.<\/p>\n<h2>3. Use a Spreadsheet<\/h2>\n<p>Using a spreadsheet is a simple and effective way to update stock quantity according to batch numbers. All you need to do is create a spreadsheet with columns for the item name, batch number, and quantity. Then, you can enter the quantity of each item in each batch and update the stock quantity accordingly.<\/p>\n<h2>4. Use a Database<\/h2>\n<p>Using a database is another great way to update stock quantity according to batch numbers. This is because it allows you to store all the data in one place and easily access it when needed. You can also set up automated processes to update the stock quantity according to the batch numbers.<\/p>\n<h2>Conclusion<\/h2>\n<p>Updating stock quantity according to batch numbers can be a tricky task. However, with the right tools and processes in place, it can be done efficiently and accurately. Using a barcode scanner, stock management system, spreadsheet, or database are all great ways to update stock quantity according to batch numbers.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Introduction [ad_1] When managing inventory, it is important to keep track of stock quantity according to their batch numbers. This ensures that you have the right amount of stock available for customers and that you are not overstocking or understocking. In this article, we will discuss how to update stock quantity according to their batch &#8230; <a title=\"[Solved] How to update stock quantity according to their batch numbers [closed]\" class=\"read-more\" href=\"https:\/\/jassweb.com\/solved\/solved-how-to-update-stock-quantity-according-to-their-batch-numbers-closed-2\/\" aria-label=\"More on [Solved] How to update stock quantity according to their batch numbers [closed]\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[320],"tags":[340,339],"class_list":["post-246","post","type-post","status-publish","format-standard","hentry","category-solved","tag-mysql","tag-php"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>[Solved] How to update stock quantity according to their batch numbers [closed] - JassWeb<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/jassweb.com\/solved\/solved-how-to-update-stock-quantity-according-to-their-batch-numbers-closed-2\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[Solved] How to update stock quantity according to their batch numbers [closed] - JassWeb\" \/>\n<meta property=\"og:description\" content=\"Introduction [ad_1] When managing inventory, it is important to keep track of stock quantity according to their batch numbers. 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