New code quality rules for Oracle Database, PL/SQL and PostgreSQL as they are added to dbLinter.https://dblinter-rules.united-codes.com/enhttps://dblinter-rules.united-codes.com/whats-new/https://dblinter-rules.united-codes.com/rules/A-0980/https://dblinter-rules.united-codes.com/rules/A-0980/Try to set the compatibility mode to the latest version. The compatibility mode keeps an upgraded application on the runtime behavior of an older APEX…Tue, 13 Oct 2026 00:00:00 GMTStrictMaintainabilityAPEX_APPLICATIONShttps://dblinter-rules.united-codes.com/rules/A-1070/https://dblinter-rules.united-codes.com/rules/A-1070/Always reload pages with editable Interactive Grids only for success. An editable Interactive Grid saves its changes with an Ajax request and relies on the…Tue, 13 Oct 2026 00:00:00 GMTEssentialReliabilityAPEX_APPLICATION_PAGEShttps://dblinter-rules.united-codes.com/rules/A-1390/https://dblinter-rules.united-codes.com/rules/A-1390/Avoid buttons defined by dynamic action without a dynamic action. A button with the action Defined by Dynamic Action does nothing by itself: it neither…Tue, 13 Oct 2026 00:00:00 GMTBalancedReliabilityAPEX_APPLICATION_PAGE_BUTTONShttps://dblinter-rules.united-codes.com/rules/A-2430/https://dblinter-rules.united-codes.com/rules/A-2430/Avoid page items without a label template. The label template renders the item's label, its required indicator, help and error messages, and links the label…Tue, 13 Oct 2026 00:00:00 GMTBalancedMaintainabilityAPEX_APPLICATION_PAGE_ITEMShttps://dblinter-rules.united-codes.com/rules/A-3070/https://dblinter-rules.united-codes.com/rules/A-3070/Try to define a default value for Interactive Grid checkbox and switch columns. A checkbox or switch column shows "unchecked" or "off" for a new row, but…Tue, 13 Oct 2026 00:00:00 GMTStrictMaintainabilityAPEX_APPL_PAGE_IG_COLUMNShttps://dblinter-rules.united-codes.com/rules/A-3080/https://dblinter-rules.united-codes.com/rules/A-3080/Avoid making Interactive Grid columns read-only with CSS only. The CSS class is-readonly only stops editing in the browser.Tue, 13 Oct 2026 00:00:00 GMTEssentialSecurityAPEX_APPL_PAGE_IG_COLUMNShttps://dblinter-rules.united-codes.com/rules/A-3090/https://dblinter-rules.united-codes.com/rules/A-3090/Never mark Interactive Grid columns with the is-readonly class as required. The CSS class is-readonly stops users from editing a grid cell, but the server…Tue, 13 Oct 2026 00:00:00 GMTBalancedReliabilityAPEX_APPL_PAGE_IG_COLUMNShttps://dblinter-rules.united-codes.com/rules/A-3100/https://dblinter-rules.united-codes.com/rules/A-3100/Avoid LOV items on single-column Interactive Grid primary keys. A primary key column identifies the row for updates and deletes.Tue, 13 Oct 2026 00:00:00 GMTBalancedMaintainabilityAPEX_APPL_PAGE_IG_COLUMNShttps://dblinter-rules.united-codes.com/rules/A-3110/https://dblinter-rules.united-codes.com/rules/A-3110/Always define a primary key item for forms with a DML process. The Form - Automatic Row Processing (DML) process identifies the row to update or delete…Tue, 13 Oct 2026 00:00:00 GMTEssentialReliabilityAPEX_APPLICATION_PAGE_REGIONShttps://dblinter-rules.united-codes.com/rules/A-3130/https://dblinter-rules.united-codes.com/rules/A-3130/Always define a primary key column for master Interactive Grids. In a master-detail setup the detail region is filtered by the primary key of the row…Tue, 13 Oct 2026 00:00:00 GMTEssentialReliabilityAPEX_APPLICATION_PAGE_REGIONShttps://dblinter-rules.united-codes.com/rules/A-3150/https://dblinter-rules.united-codes.com/rules/A-3150/Avoid a null entry on required LOV items and Interactive Grid columns. A required LOV item or Interactive Grid column that also offers a null entry lets…Tue, 13 Oct 2026 00:00:00 GMTAggressiveMaintainabilityAPEX_APPL_PAGE_IG_COLUMNSAPEX_APPLICATION_PAGE_ITEMShttps://dblinter-rules.united-codes.com/rules/A-3190/https://dblinter-rules.united-codes.com/rules/A-3190/Try to use a required label template for required page items. Users should see that a field is mandatory before they submit the form.Tue, 13 Oct 2026 00:00:00 GMTBalancedMaintainabilityAPEX_APPLICATION_PAGE_ITEMShttps://dblinter-rules.united-codes.com/rules/A-3220/https://dblinter-rules.united-codes.com/rules/A-3220/Avoid regions in the dialogs position without a dialog template. Regions in the Dialogs, Drawers and Popups position are meant to open on demand as an…Tue, 13 Oct 2026 00:00:00 GMTBalancedReliabilityAPEX_APPLICATION_PAGE_REGIONShttps://dblinter-rules.united-codes.com/rules/A-1120/https://dblinter-rules.united-codes.com/rules/A-1120/Always define an icon for buttons using an icon template. The Text with Icon button template renders the label next to an icon, and the Icon template…Fri, 09 Oct 2026 00:00:00 GMTStrictMaintainabilityAPEX_APPLICATION_PAGE_BUTTONShttps://dblinter-rules.united-codes.com/rules/A-1250/https://dblinter-rules.united-codes.com/rules/A-1250/Avoid components with the condition type "Never". A component (region, process, button, ...) with the condition type Never is never rendered or executed.Fri, 09 Oct 2026 00:00:00 GMTBalancedMaintainabilityhttps://dblinter-rules.united-codes.com/rules/A-1400/https://dblinter-rules.united-codes.com/rules/A-1400/Never keep the default name New for components. APEX gives a freshly created component the name New (page items P_NEW; with _1, _2 … for further ones).Fri, 09 Oct 2026 00:00:00 GMTBalancedMaintainabilityhttps://dblinter-rules.united-codes.com/rules/A-1680/https://dblinter-rules.united-codes.com/rules/A-1680/Always define an ordering for reporting regions. Without an ordering, the order of rows from a report is undefined. dbLinter Oracle rule, minor, ~60 min fix.Fri, 09 Oct 2026 00:00:00 GMTExtremeMaintainabilityAPEX_APPLICATION_PAGE_REGIONShttps://dblinter-rules.united-codes.com/rules/A-2420/https://dblinter-rules.united-codes.com/rules/A-2420/Avoid regions without a template. A region with the template No Template renders only its content, without the theme's title bar, padding, borders or…Fri, 09 Oct 2026 00:00:00 GMTBalancedMaintainabilityAPEX_APPLICATION_PAGE_REGIONShttps://dblinter-rules.united-codes.com/rules/A-0960/https://dblinter-rules.united-codes.com/rules/A-0960/Try to give modal dialogs a Cancel button. A modal dialog (this includes drawers) should offer an explicit way to leave without saving.Mon, 05 Oct 2026 00:00:00 GMTStrictMaintainabilityAPEX_APPLICATION_PAGEShttps://dblinter-rules.united-codes.com/rules/A-0970/https://dblinter-rules.united-codes.com/rules/A-0970/Never place branches after an unconditional branch. Branches on the same branch point run in sequence order and the first one whose condition is met ends…Mon, 05 Oct 2026 00:00:00 GMTBalancedReliabilityAPEX_APPLICATION_PAGE_BRANCHEShttps://dblinter-rules.united-codes.com/rules/A-1060/https://dblinter-rules.united-codes.com/rules/A-1060/Try to assign applications to an application group. Application groups organise the application list of a workspace. dbLinter Oracle rule, minor, ~1 min fix.Mon, 05 Oct 2026 00:00:00 GMTAggressiveMaintainabilityAPEX_APPLICATIONShttps://dblinter-rules.united-codes.com/rules/A-1140/https://dblinter-rules.united-codes.com/rules/A-1140/Try to assign pages to a page group. Page groups structure the pages of an application, for example by functional area, and make the page list and the…Mon, 05 Oct 2026 00:00:00 GMTAggressiveMaintainabilityAPEX_APPLICATION_PAGEShttps://dblinter-rules.united-codes.com/rules/A-0990/https://dblinter-rules.united-codes.com/rules/A-0990/Always name buttons in uppercase. A button's Name becomes the REQUEST value that page submits and server-side conditions test.Thu, 01 Oct 2026 00:00:00 GMTAggressiveMaintainabilityNaming APEXAPEX_APPLICATION_PAGE_BUTTONShttps://dblinter-rules.united-codes.com/rules/A-1080/https://dblinter-rules.united-codes.com/rules/A-1080/Avoid defining CSS inline at page level. CSS written inline on the page (in the page's Inline CSS attribute) is scattered across pages and hard to maintain…Thu, 01 Oct 2026 00:00:00 GMTStrictMaintainabilityAPEX_APPLICATION_PAGEShttps://dblinter-rules.united-codes.com/rules/A-1100/https://dblinter-rules.united-codes.com/rules/A-1100/Try to keep hidden page items protected. A hidden page item still travels to the browser and back on page submit. dbLinter Oracle rule, blocker, ~1 min fix.Thu, 01 Oct 2026 00:00:00 GMTEssentialSecurityAPEX_APPLICATION_PAGE_ITEMShttps://dblinter-rules.united-codes.com/rules/A-1750/https://dblinter-rules.united-codes.com/rules/A-1750/Avoid static lists without entries. A static list with no entries renders nothing and serves no purpose. dbLinter Oracle rule, major, ~1 min fix.Thu, 01 Oct 2026 00:00:00 GMTBalancedReliabilityAPEX_APPLICATION_LISTShttps://dblinter-rules.united-codes.com/rules/A-1860/https://dblinter-rules.united-codes.com/rules/A-1860/Avoid NOT NULL validations; use the item's Value Required setting. A separate Item is NOT NULL validation duplicates what the item's built-in Value Required…Thu, 01 Oct 2026 00:00:00 GMTBalancedMaintainabilityAPEX_APPLICATION_PAGE_VALhttps://dblinter-rules.united-codes.com/rules/A-2300/https://dblinter-rules.united-codes.com/rules/A-2300/Never use the HTML (Unsafe) format on Display-Only items. The deprecated HTML (Unsafe) format renders the item's value as-is, including tags, javascript…Thu, 01 Oct 2026 00:00:00 GMTEssentialSecurityAPEX_APPLICATION_PAGE_ITEMShttps://dblinter-rules.united-codes.com/rules/A-3060/https://dblinter-rules.united-codes.com/rules/A-3060/Always define a primary key column for editable Interactive Grids. An editable Interactive Grid needs at least one column marked as Primary Key so APEX can…Thu, 01 Oct 2026 00:00:00 GMTEssentialReliabilityAPEX_APPLICATION_PAGE_REGIONShttps://dblinter-rules.united-codes.com/rules/G-0010/https://dblinter-rules.united-codes.com/rules/G-0010/Always format database code consistently. Consistent formatting makes database code easier to read, understand and review.Tue, 08 Sep 2026 00:00:00 GMTStrictMaintainabilityGeneralhttps://dblinter-rules.united-codes.com/rules/G-3194/https://dblinter-rules.united-codes.com/rules/G-3194/Always specify INNER or OUTER within JOIN TO ONE. Every join inside a JOIN TO ONE clause should explicitly specify either INNER JOIN or OUTER JOIN.Mon, 24 Aug 2026 00:00:00 GMTStrictMaintainabilityhttps://dblinter-rules.united-codes.com/rules/A-0700/https://dblinter-rules.united-codes.com/rules/A-0700/Always enable Session State Protection at the application level. Session State Protection prevents URL tampering, a malicious user modifying URL parameters…Mon, 27 Jul 2026 00:00:00 GMTEssentialSecurityAPEX_APPLICATIONShttps://dblinter-rules.united-codes.com/rules/A-0720/https://dblinter-rules.united-codes.com/rules/A-0720/Always enable Page Access Protection. Page Access Protection makes it impossible for users to tamper session values by modifying them in the URL thanks to…Mon, 27 Jul 2026 00:00:00 GMTEssentialSecurityAPEX_APPLICATION_PAGEShttps://dblinter-rules.united-codes.com/rules/A-0730/https://dblinter-rules.united-codes.com/rules/A-0730/Always give an alias to pages. A Page Alias is a unique alphanumeric identifier for a page. dbLinter Oracle rule, minor, ~1 min fix.Mon, 27 Jul 2026 00:00:00 GMTBalancedMaintainabilityAPEX_APPLICATION_PAGEShttps://dblinter-rules.united-codes.com/rules/A-0950/https://dblinter-rules.united-codes.com/rules/A-0950/Always follow naming conventions for application items. Application items should follow a consistent naming convention so they are easy to recognise in…Mon, 27 Jul 2026 00:00:00 GMTStrictMaintainabilityNaming APEXAPEX_APPLICATION_ITEMShttps://dblinter-rules.united-codes.com/rules/A-1130/https://dblinter-rules.united-codes.com/rules/A-1130/Always follow naming conventions for page items. APEX automatically prefixes items with P{page_id}_. dbLinter Oracle rule, minor, ~5 min fix.Mon, 27 Jul 2026 00:00:00 GMTEssentialMaintainabilityAPEX_APPLICATION_PAGE_ITEMSNaming APEXhttps://dblinter-rules.united-codes.com/rules/A-1340/https://dblinter-rules.united-codes.com/rules/A-1340/Avoid pages without an authorization scheme. Every page that requires authentication should also declare an authorization scheme.Mon, 27 Jul 2026 00:00:00 GMTStrictSecurityAPEX_APPLICATION_PAGEShttps://dblinter-rules.united-codes.com/rules/A-1410/https://dblinter-rules.united-codes.com/rules/A-1410/Never set session lifetime or idle time to 0 (unlimited). Leaving the session lifetime or idle time at 0 means sessions never expire.Mon, 27 Jul 2026 00:00:00 GMTEssentialSecurityAPEX_APPLICATIONShttps://dblinter-rules.united-codes.com/rules/A-0770/https://dblinter-rules.united-codes.com/rules/A-0770/Never allow application pages within an HTML frame. The property embedInFrames dictates whether a browser is allowed to display your application pages…Sat, 20 Jun 2026 00:00:00 GMTEssentialSecurityAPEX_APPLICATIONShttps://dblinter-rules.united-codes.com/rules/G-7127/https://dblinter-rules.united-codes.com/rules/G-7127/Always use the FORCE option when creating views. The FORCE option ensures that the object definition is stored in the data dictionary, even if semantic…Sun, 14 Jun 2026 00:00:00 GMTStrictMaintainabilityStored Objecthttps://dblinter-rules.united-codes.com/rules/G-3192/https://dblinter-rules.united-codes.com/rules/G-3192/Avoid joining tables with the USING clause. The using clause in SQL joins offers a concise syntax when two tables share join columns with the same name.Sun, 29 Mar 2026 00:00:00 GMTEssentialReliabilitySQLhttps://dblinter-rules.united-codes.com/rules/G-7515/https://dblinter-rules.united-codes.com/rules/G-7515/Always prefix Oracle supplied object types with owner schema name. The signature of Oracle supplied object types is well known and therefore it is quite…Wed, 24 Dec 2025 00:00:00 GMTStrictSecurityStored Objecthttps://dblinter-rules.united-codes.com/rules/G-1930/https://dblinter-rules.united-codes.com/rules/G-1930/Avoid long parsing times. Long parsing times delay linter results and waste resources. dbLinter Oracle & PostgreSQL rule, info, ~10 min fix.Wed, 03 Dec 2025 00:00:00 GMTExtremeMaintainabilityGeneralhttps://dblinter-rules.united-codes.com/rules/G-1940/https://dblinter-rules.united-codes.com/rules/G-1940/Avoid long checking times. Long checking times delay linter results and waste resources. dbLinter Oracle & PostgreSQL rule, info, ~10 min fix.Wed, 03 Dec 2025 00:00:00 GMTExtremeMaintainabilityGeneralhttps://dblinter-rules.united-codes.com/rules/G-7180/https://dblinter-rules.united-codes.com/rules/G-7180/Try to keep the complexity of functions, procedures and triggers simple. The Cyclomatic Complexity is a metric to assess the complexity of code.Wed, 03 Dec 2025 00:00:00 GMTAggressiveMaintainabilityStored Object