{"id":165945,"date":"2023-01-18T15:25:08","date_gmt":"2023-01-18T14:25:08","guid":{"rendered":"https:\/\/datascientest.com\/en\/?p=165945"},"modified":"2023-08-01T16:16:51","modified_gmt":"2023-08-01T15:16:51","slug":"acid-in-database-management","status":"publish","type":"post","link":"https:\/\/datascientest.com\/en\/acid-in-database-management","title":{"rendered":"ACID: All about this important concept in Database Management"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"165945\" class=\"elementor elementor-165945\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-509312f e-flex e-con-boxed e-con\" data-id=\"509312f\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d1a566b elementor-widget elementor-widget-text-editor\" data-id=\"d1a566b\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.15.0 - 02-08-2023 *\/\n.elementor-widget-text-editor.elementor-drop-cap-view-stacked .elementor-drop-cap{background-color:#69727d;color:#fff}.elementor-widget-text-editor.elementor-drop-cap-view-framed .elementor-drop-cap{color:#69727d;border:3px solid;background-color:transparent}.elementor-widget-text-editor:not(.elementor-drop-cap-view-default) .elementor-drop-cap{margin-top:8px}.elementor-widget-text-editor:not(.elementor-drop-cap-view-default) .elementor-drop-cap-letter{width:1em;height:1em}.elementor-widget-text-editor .elementor-drop-cap{float:left;text-align:center;line-height:1;font-size:50px}.elementor-widget-text-editor .elementor-drop-cap-letter{display:inline-block}<\/style>\t\t\t\t<p><b>The ACID (Atomicity, Consistency, Isolation, Durability) approach ensures the integrity of data within a database. Find out everything you need to know about this concept.<\/b><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-22822c5 e-flex e-con-boxed e-con\" data-id=\"22822c5\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1bd1dae elementor-widget elementor-widget-text-editor\" data-id=\"1bd1dae\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Big Data offers many opportunities. However, to process the <\/span><b>huge volume of Data <\/b><span style=\"font-weight: 400;\">generated every day, it is necessary to use databases.<\/span><\/p><p><span style=\"font-weight: 400;\">A database is a set of data, structured or not, stored on computers. In the age of Big Data, these databases often rely on server farms specially designed for this purpose: <\/span><b>Data Centers<\/b><span style=\"font-weight: 400;\">. These architectures are complex, and <\/span><b>DataBase Management Systems<\/b><span style=\"font-weight: 400;\"> (DBMS) are used to handle them. These systems allow the management of the storage and retrieval of data within the databases.<\/span><\/p><p><span style=\"font-weight: 400;\">So, how to manage databases and their contents in an optimal way? One of the most commonly used methods is the ACID approach.<\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8c8c833 elementor-widget elementor-widget-spacer\" data-id=\"8c8c833\" data-element_type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.15.0 - 02-08-2023 *\/\n.elementor-column .elementor-spacer-inner{height:var(--spacer-size)}.e-con{--container-widget-width:100%}.e-con-inner>.elementor-widget-spacer,.e-con>.elementor-widget-spacer{width:var(--container-widget-width,var(--spacer-size));--align-self:var(--container-widget-align-self,initial);--flex-shrink:0}.e-con-inner>.elementor-widget-spacer>.elementor-widget-container,.e-con-inner>.elementor-widget-spacer>.elementor-widget-container>.elementor-spacer,.e-con>.elementor-widget-spacer>.elementor-widget-container,.e-con>.elementor-widget-spacer>.elementor-widget-container>.elementor-spacer{height:100%}.e-con-inner>.elementor-widget-spacer>.elementor-widget-container>.elementor-spacer>.elementor-spacer-inner,.e-con>.elementor-widget-spacer>.elementor-widget-container>.elementor-spacer>.elementor-spacer-inner{height:var(--container-widget-height,var(--spacer-size))}<\/style>\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-e5dea28 e-flex e-con-boxed e-con\" data-id=\"e5dea28\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1efe808 elementor-widget elementor-widget-heading\" data-id=\"1efe808\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.15.0 - 02-08-2023 *\/\n.elementor-heading-title{padding:0;margin:0;line-height:1}.elementor-widget-heading .elementor-heading-title[class*=elementor-size-]>a{color:inherit;font-size:inherit;line-height:inherit}.elementor-widget-heading .elementor-heading-title.elementor-size-small{font-size:15px}.elementor-widget-heading .elementor-heading-title.elementor-size-medium{font-size:19px}.elementor-widget-heading .elementor-heading-title.elementor-size-large{font-size:29px}.elementor-widget-heading .elementor-heading-title.elementor-size-xl{font-size:39px}.elementor-widget-heading .elementor-heading-title.elementor-size-xxl{font-size:59px}<\/style><h3 class=\"elementor-heading-title elementor-size-default\">What does \"ACID\" means? <\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-95b6413 elementor-widget elementor-widget-text-editor\" data-id=\"95b6413\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">In computing, ACID is an acronym for <strong>Atomicity<\/strong>, <strong>Consistency<\/strong>, <strong>Isolation<\/strong>, and <strong>Durability<\/strong>.<\/span><\/p><p><span style=\"font-weight: 400;\">These <\/span><b>four principles<\/b><span style=\"font-weight: 400;\"> ensure that database transactions are processed reliably. As a reminder, the term \u201c<\/span><b>transaction<\/b><span style=\"font-weight: 400;\">\u201d refers to any operation performed within a database. For example, a transaction can be the creation of a new record or an update of data.<\/span><\/p><p><span style=\"font-weight: 400;\">Any change made to a database must be done very carefully. Otherwise, the data may be <\/span><b>corrupted<\/b><span style=\"font-weight: 400;\">.<\/span><\/p><p><span style=\"font-weight: 400;\">By applying <\/span><b>ACID properties<\/b><span style=\"font-weight: 400;\"> to every change made to a database, it is easier to maintain its accuracy and reliability. Now let&#8217;s take a closer look at the<\/span><b> four components <\/b><span style=\"font-weight: 400;\">of the ACID approach.<\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9aeb746 elementor-widget elementor-widget-heading\" data-id=\"9aeb746\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h5 class=\"elementor-heading-title elementor-size-default\">Atomicity<\/h5>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f7c5ff0 elementor-widget elementor-widget-text-editor\" data-id=\"f7c5ff0\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">The atomicity of a database transaction means that any change made must be completed to the end. If there is an interruption, for example, a loss of connection in the middle of an operation, the change must be <\/span><b>canceled<\/b><span style=\"font-weight: 400;\"> and the database must automatically return to its previous state at the beginning of the transaction.<\/span><\/p><p><span style=\"font-weight: 400;\">This principle prevents a transaction from being <\/span><b>partially completed<\/b><span style=\"font-weight: 400;\"> due to a failure or crash. Otherwise, it is impossible to know at what stage the process was interrupted. This can lead to <\/span><b>major complications<\/b><span style=\"font-weight: 400;\">.<\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-046d183 e-flex e-con-boxed e-con\" data-id=\"046d183\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-54f4494 elementor-widget elementor-widget-video\" data-id=\"54f4494\" data-element_type=\"widget\" data-settings=\"{&quot;youtube_url&quot;:&quot;https:\\\/\\\/www.youtube.com\\\/watch?v=VQ4WAPP3cVs&amp;t=1s&quot;,&quot;video_type&quot;:&quot;youtube&quot;,&quot;controls&quot;:&quot;yes&quot;}\" data-widget_type=\"video.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.15.0 - 02-08-2023 *\/\n.elementor-widget-video .elementor-widget-container{overflow:hidden;transform:translateZ(0)}.elementor-widget-video .elementor-wrapper{aspect-ratio:var(--video-aspect-ratio)}.elementor-widget-video .elementor-wrapper iframe,.elementor-widget-video .elementor-wrapper video{height:100%;width:100%;display:flex;border:none;background-color:#000}@supports not (aspect-ratio:1\/1){.elementor-widget-video .elementor-wrapper{position:relative;overflow:hidden;height:0;padding-bottom:calc(100% \/ var(--video-aspect-ratio))}.elementor-widget-video .elementor-wrapper iframe,.elementor-widget-video .elementor-wrapper video{position:absolute;top:0;right:0;bottom:0;left:0}}.elementor-widget-video .elementor-open-inline .elementor-custom-embed-image-overlay{position:absolute;top:0;right:0;bottom:0;left:0;background-size:cover;background-position:50%}.elementor-widget-video .elementor-custom-embed-image-overlay{cursor:pointer;text-align:center}.elementor-widget-video .elementor-custom-embed-image-overlay:hover .elementor-custom-embed-play i{opacity:1}.elementor-widget-video .elementor-custom-embed-image-overlay img{display:block;width:100%;aspect-ratio:var(--video-aspect-ratio);-o-object-fit:cover;object-fit:cover;-o-object-position:center center;object-position:center center}@supports not (aspect-ratio:1\/1){.elementor-widget-video .elementor-custom-embed-image-overlay{position:relative;overflow:hidden;height:0;padding-bottom:calc(100% \/ var(--video-aspect-ratio))}.elementor-widget-video .elementor-custom-embed-image-overlay img{position:absolute;top:0;right:0;bottom:0;left:0}}.elementor-widget-video .e-hosted-video .elementor-video{-o-object-fit:cover;object-fit:cover}.e-con-inner>.elementor-widget-video,.e-con>.elementor-widget-video{width:var(--container-widget-width);--flex-grow:var(--container-widget-flex-grow)}<\/style>\t\t<div class=\"elementor-wrapper elementor-open-inline\">\n\t\t\t<div class=\"elementor-video\"><\/div>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-21f1894 elementor-widget elementor-widget-heading\" data-id=\"21f1894\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h5 class=\"elementor-heading-title elementor-size-default\">Consistency<\/h5>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-71fa059 elementor-widget elementor-widget-text-editor\" data-id=\"71fa059\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Consistency is a principle that <\/span><b>ensures that a transaction does not violate the data integrity<\/b><span style=\"font-weight: 400;\"> constraints set for a database.<\/span><\/p><p><span style=\"font-weight: 400;\">Thus, if the database enters an &#8220;illegal&#8221; state by violating these rules, the transaction process will be <\/span><b>automatically aborted<\/b><span style=\"font-weight: 400;\">. The database will automatically return to its previous state.<\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b30bbe5 elementor-widget elementor-widget-heading\" data-id=\"b30bbe5\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h5 class=\"elementor-heading-title elementor-size-default\">Isolation<\/h5>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-960a52e elementor-widget elementor-widget-text-editor\" data-id=\"960a52e\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">An isolated transaction is considered &#8220;<\/span><b>serializable<\/b><span style=\"font-weight: 400;\">&#8220;. This means that the transactions occur in <\/span><b>successive order<\/b><span style=\"font-weight: 400;\">, rather than being performed all at once.<\/span><\/p><p><span style=\"font-weight: 400;\">Any write or read performed in the database does not affect the write or read of other transactions occurring in the same database. A global order is created, and each transaction is added to a queue. <\/span><b>Only when a transaction is finished do the others start<\/b><span style=\"font-weight: 400;\">.<\/span><\/p><p><span style=\"font-weight: 400;\">This does not mean that two transactions cannot occur simultaneously. <\/span><b>Several transactions can be carried out at the same time<\/b><span style=\"font-weight: 400;\">, provided that they cannot impact each other.<\/span><\/p><p><span style=\"font-weight: 400;\">Of course, this method can affect the speed of transactions. Many transactions will have to wait before they can begin.<\/span><\/p><p><span style=\"font-weight: 400;\">However, this is a sacrifice to<\/span><b> ensure security and data integrity<\/b><span style=\"font-weight: 400;\">. To achieve this isolation, it is possible to opt for an &#8220;<\/span><b>optimistic<\/b><span style=\"font-weight: 400;\">&#8221; or &#8220;<\/span><b>pessimistic<\/b><span style=\"font-weight: 400;\">&#8221; transaction scheme.<\/span><\/p><p><span style=\"font-weight: 400;\">In the case of an <\/span><b>optimistic transaction scheme<\/b><span style=\"font-weight: 400;\">, other transactions will be performed without reading or writing to the same location. If two transactions collide, they will automatically be dropped and retried.<\/span><\/p><p><span style=\"font-weight: 400;\">A <\/span><b>pessimistic transaction scheme<\/b><span style=\"font-weight: 400;\"> leaves less freedom to the database. Resources will be limited, assuming that transactions will impact each other. This reduces the number of aborts and retries, but forces transactions to wait in the queue more often.<\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1439ac7 elementor-widget elementor-widget-heading\" data-id=\"1439ac7\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h5 class=\"elementor-heading-title elementor-size-default\">Sustainability<\/h5>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c98ea6c elementor-widget elementor-widget-text-editor\" data-id=\"c98ea6c\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Sustainability is the fourth principle of the ACID approach. It <\/span><b>ensures that any changes made to the database are permanent<\/b><span style=\"font-weight: 400;\">, even if the system fails.<\/span><\/p><p><span style=\"font-weight: 400;\">This prevents the data from being corrupted or altered by a service failure, a crash, or any other technical problem. To ensure this durability, <\/span><b>&#8220;changelogs&#8221; are used as references<\/b><span style=\"font-weight: 400;\"> each time the database is restarted.<\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-9167583 e-flex e-con-boxed e-con\" data-id=\"9167583\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d428e39 elementor-align-center elementor-widget elementor-widget-button\" data-id=\"d428e39\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/datascientest.com\/en\/data-courses\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Discover ACID approach<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d171ae1 elementor-widget elementor-widget-spacer\" data-id=\"d171ae1\" data-element_type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-e2d1716 e-flex e-con-boxed e-con\" data-id=\"e2d1716\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-84a1731 elementor-widget elementor-widget-heading\" data-id=\"84a1731\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">What are the advantages of ACID?<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0bd1887 elementor-widget elementor-widget-text-editor\" data-id=\"0bd1887\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">By complying with the four principles of the ACID approach, it is possible to <\/span><b>ensure the security and integrity<\/b><span style=\"font-weight: 400;\"> of the data within a database. In this way, they can bring their full value to the company.<\/span><\/p><p><span style=\"font-weight: 400;\">Otherwise, a database with <\/span><b>corrupted data<\/b><span style=\"font-weight: 400;\"> can cause serious problems that are costly to resolve. This is especially true for the many <\/span><b>data-driven companies<\/b><span style=\"font-weight: 400;\"> that use their data on a daily basis to make decisions or guide their strategy.<\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-34503f5 elementor-widget elementor-widget-spacer\" data-id=\"34503f5\" data-element_type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-df77fb7 e-flex e-con-boxed e-con\" data-id=\"df77fb7\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e4d1a65 elementor-widget elementor-widget-heading\" data-id=\"e4d1a65\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">How to master the ACID approach for databases?<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-284d508 elementor-widget elementor-widget-text-editor\" data-id=\"284d508\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Mastering the ACID approach is essential to properly exploit Big Data. It is a skill that is highly sought after by many companies in all sectors.<\/span><\/p><p><span style=\"font-weight: 400;\">To discover all the details of this approach, and to learn how to manipulate the different types of databases, you can opt for<\/span><b> DataScientest training courses<\/b><span style=\"font-weight: 400;\">.<\/span><\/p><p><span style=\"font-weight: 400;\">Databases are at the heart of our <\/span><span style=\"text-decoration: underline;\"><strong><a href=\"https:\/\/datascientest.com\/en\/data-scientist-course\">Data Scientist<\/a><\/strong><\/span><span style=\"font-weight: 400;\">, <\/span><span style=\"text-decoration: underline;\"><strong><a href=\"https:\/\/datascientest.com\/en\/data-analyst-course\">Data Analyst<\/a><\/strong><\/span><span style=\"font-weight: 400;\">, and <\/span><span style=\"text-decoration: underline;\"><strong><a href=\"https:\/\/datascientest.com\/en\/data-engineer-course\">Data Engineer training<\/a><\/strong><\/span><span style=\"font-weight: 400;\"> courses. These different courses allow you to train for the Data Science profession.<\/span><\/p><p><span style=\"font-weight: 400;\">All our programs are designed by professionals to meet the real needs of companies. These professional training courses in <\/span><b>Blended Learning<\/b><span style=\"font-weight: 400;\"> can be done in <\/span><b>Continuing Education<\/b><span style=\"font-weight: 400;\"> or <\/span><b>BootCamp<\/b><span style=\"font-weight: 400;\">.<\/span><\/p><p><span style=\"font-weight: 400;\">At the end of the course, students receive a diploma certified by the <\/span><b>Sorbonne University<\/b><span style=\"font-weight: 400;\">. Among the alumni, 93% found a job immediately.<\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-067b49f e-flex e-con-boxed e-con\" data-id=\"067b49f\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-56c0f8b elementor-align-center elementor-widget elementor-widget-button\" data-id=\"56c0f8b\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/datascientest.com\/en\/blog-en\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Start a Data Science training course<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-6d4f7f5 e-flex e-con-boxed e-con\" data-id=\"6d4f7f5\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c12ecd6 elementor-widget elementor-widget-text-editor\" data-id=\"c12ecd6\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">You know everything about the ACID approach. Discover our complete file on <\/span><span style=\"text-decoration: underline;\"><strong><a href=\"https:\/\/datascientest.com\/en\/sql-learn-all-about-the-programming-language-for-databases\">databases<\/a><\/strong><\/span><span style=\"font-weight: 400;\"> and our presentation of the <\/span><span style=\"text-decoration: underline;\"><strong><a href=\"https:\/\/datascientest.com\/en\/sql-learn-all-about-the-programming-language-for-databases\">SQL language<\/a><\/strong><\/span><span style=\"font-weight: 400;\">.<\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-d84414f e-flex e-con-boxed e-con\" data-id=\"d84414f\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b79719a elementor-widget elementor-widget-html\" data-id=\"b79719a\" data-element_type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<script type=\"application\/ld+json\">\r\n{\r\n  \"@context\": \"https:\/\/schema.org\",\r\n  \"@type\": \"FAQPage\",\r\n  \"mainEntity\": [{\r\n    \"@type\": \"Question\",\r\n    \"name\": \"What does \"ACID\" means? \",\r\n    \"acceptedAnswer\": {\r\n      \"@type\": \"Answer\",\r\n      \"text\": \"In computing, ACID is an acronym for Atomicity, Consistency, Isolation, and Durability. These four principles ensure that database transactions are processed reliably. As a reminder, the term \u201ctransaction\u201d refers to any operation performed within a database. For example, a transaction can be the creation of a new record or an update of data. Any change made to a database must be done very carefully. Otherwise, the data may be corrupted. By applying ACID properties to every change made to a database, it is easier to maintain its accuracy and reliability. Now let's take a closer look at the four components of the ACID approach.\"\r\n    }\r\n  },{\r\n    \"@type\": \"Question\",\r\n    \"name\": \"What are the advantages of ACID?\",\r\n    \"acceptedAnswer\": {\r\n      \"@type\": \"Answer\",\r\n      \"text\": \"By complying with the four principles of the ACID approach, it is possible to ensure the security and integrity of the data within a database. In this way, they can bring their full value to the company. 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These different courses allow you to train for the Data Science profession.\"\r\n    }\r\n  }]\r\n}\r\n<\/script>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>The ACID (Atomicity, Consistency, Isolation, Durability) approach ensures the integrity of data within a database. Find out everything you need to know about this concept. Big Data offers many opportunities. However, to process the huge volume of Data generated every day, it is necessary to use databases. 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