{"id":204,"date":"2021-03-22T15:54:18","date_gmt":"2021-03-22T15:54:18","guid":{"rendered":"https:\/\/blogs.glowscotland.org.uk\/sh\/ahscomputingsql\/?page_id=204"},"modified":"2024-11-20T11:25:52","modified_gmt":"2024-11-20T11:25:52","slug":"validation-checks","status":"publish","type":"page","link":"https:\/\/blogs.glowscotland.org.uk\/sh\/ahscomputingsql\/creating-a-database\/validation-checks\/","title":{"rendered":"Validation Checks"},"content":{"rendered":"<h1><span style=\"color: #339966\">Level &#8211; National 5+<\/span><\/h1>\n<h1>Required Fields<\/h1>\n<p>Required fields cannot be be left empty (null).<\/p>\n<ul>\n<li>Right-click on the Table name<\/li>\n<li>Select \u201cModify table\u201d<\/li>\n<\/ul>\n<ul>\n<li>Tick the NN (Not Null) option for each required field:<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-339\" src=\"https:\/\/blogs.glowscotland.org.uk\/sh\/public\/ahscomputingsql\/uploads\/sites\/3269\/2021\/03\/24154828\/DB4SQL-required-fields.png\" alt=\"\" width=\"610\" height=\"154\" srcset=\"https:\/\/blogs.glowscotland.org.uk\/sh\/public\/ahscomputingsql\/uploads\/sites\/3269\/2021\/03\/24154828\/DB4SQL-required-fields.png 610w, https:\/\/glow-prod-sh.s3.eu-west-1.amazonaws.com\/sh\/public\/ahscomputingsql\/uploads\/sites\/3269\/2021\/03\/24154828\/DB4SQL-required-fields-300x76.png?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEOz%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCWV1LXdlc3QtMSJHMEUCIHOgkDlnsmdNPb1YynRD8AdKgIaYx%2BUxg5hIrTEY7cdKAiEA2d9TOElVENaM0o7QFgXTXtyJogEuHd65%2FYyGeb48KR8qwQUItf%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FARAFGgwyNzM1NzAxOTU0MzMiDLtOIDXu3Iw7gA52fCqVBVbh0ABBjIwrWoZ9Np4pPhqjVQXk6OYaxxSCsEdO4iEbdC21Y92A1XgwhINAdbwbRRwD0w8zu6GAtSvQwHuYK9Ugig%2FtGp15YiX%2BcreotWHnjU1QU8zfJAnsjZn74R24l%2Fpw1ywMwzINkEcGeCl2nUmw2wATa%2Fyd%2FaEqVJJv%2FXEP1CiWSm45BDa%2FsbMjCbA%2BywuT9%2FwYy%2FyfAM21Lqft9SpZIXCUUMBokWIILFeKWCDCbaFvoYO1hu1A2S%2F%2FMXtad1XHfJquBotH5XHareTb9IteLe55i51FnkZGlW2lg0kF5jIXxcuizJ04thO91nAd7RGRYDsUPFv8YrAHS%2BhJRckWUAvEp7%2BD3P0B%2Bv4tUvPqRgfkGdzOjBE6McyrXX4%2FNKdTcWeSX8mI%2F6BRuC%2BVJJy90kTBP5%2FRnKDVg7bNMo9oT7XBKrFoqiUo%2BU%2FBOvxtMVd%2BZ%2FkjjrKmpDsF%2BVe0suK4u%2Bs%2BnZLcuu5ITXFt4mm0DTbhU6hK893CpKx0xrbN88idgiX1QdgYErvS%2BEO309p7yFBNAubbnicnN8fMeXv4B4E2jdJi23AuTe0W4E9LAFvPxIXSiyr2pxDkOG7IL0e7AAH3hMY%2FYoUyYClwJLLgG3SoXB8B8byTgijnShhTQD6VeAUrWTwMU85bismmTB7%2BT%2FHEmTgszZsH95elHFq0os%2FlItsCUkxLGsAq%2FOKCrXEefaimWYl1FvbC0Yrq9woxBfEwslgMGuaxhchQ%2BkP8MarBwysRvRM%2Fo6c1G6MO9yev%2BGhWiVYnzy5aS81Z08WQF0BnF1%2F%2FEfQNKl5tnqxkIr6aS6Bb4tLTkcZskGJpXVfJFdMZ91lWkaJU%2FEzInePg66Bw1h%2BkasCjrOU8yMm8BpIn9nAw%2BozJzgY6sQFrfQxivaDxUPHDQsXY2AzfjhasgSTSdIDnoSKVzTfuJD02TMTjQ4C4ayWsuH40BO3pMFhcRT3gAfB3Z3EtoIfWj7YeP82q9pmVvQg8q%2BudeWTUlGLvR8L6xE8wFgvQGrDRZwHWte94YwYYc%2B4CddOOSXm9TdJU%2BkM8mYOt900EU5nMDns7gCkcNZkhJx%2Bt37I6hS1ZN%2BqTDSC85sgfCRst8%2FcM22naW0Npt6gGAWGdNyI%3D&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47UVOTHKO2M%2F20260405%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20260405T115527Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=430163da2862c20a86fe8daf050b125f6f9b46407915ea12376128cf135e7630 300w\" sizes=\"auto, (max-width: 610px) 100vw, 610px\" \/><\/li>\n<\/ul>\n<hr \/>\n<h1>Length, Range and Restricted Choice Checks<\/h1>\n<ul>\n<li>Right-click on the Table name<\/li>\n<li>Select \u201cModify table\u201d<\/li>\n<\/ul>\n<ul>\n<li>Double-click the &#8220;Check&#8221; for each field that has a validation check.<\/li>\n<li>Type in the rule for field.\n<ul>\n<li>Field names that include spaces must be inside quotation marks<\/li>\n<li>Add the checks one at a time, saving after each one. This will make it easier to any mistakes.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p style=\"padding-left: 40px\"><strong>length check:<\/strong><\/p>\n<pre style=\"padding-left: 40px\">length(surname) &lt;= 15\r\nlength(postcode) between 7 and 8\r\nlength(\"Delegate Ref\") = 4\r\n\r\nNote: Don't use single apostrophes: length('name') is always 4 characters<\/pre>\n<p style=\"padding-left: 40px\">\u00a0 \u00a0<strong>range check:<\/strong><\/p>\n<pre style=\"padding-left: 40px\">\"Presentations Attending\" &lt;= 3\r\ndate_of_birth &gt;= '2000-01-01'\r\nappointment &gt;= '09:00'<\/pre>\n<p style=\"padding-left: 40px\"><strong>restricted choice:<\/strong><\/p>\n<pre style=\"padding-left: 40px\">eyesight = 'Natural' OR eyesight = 'Contact Lenses' OR eyesight = 'Glasses'\r\nmaxClassSize = 20 OR maxClassSize = 30<\/pre>\n<p>Example:<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-340\" src=\"https:\/\/blogs.glowscotland.org.uk\/sh\/public\/ahscomputingsql\/uploads\/sites\/3269\/2021\/03\/24155034\/DB4SQL-validation-checks.png\" alt=\"\" width=\"690\" height=\"153\" srcset=\"https:\/\/blogs.glowscotland.org.uk\/sh\/public\/ahscomputingsql\/uploads\/sites\/3269\/2021\/03\/24155034\/DB4SQL-validation-checks.png 690w, https:\/\/glow-prod-sh.s3.eu-west-1.amazonaws.com\/sh\/public\/ahscomputingsql\/uploads\/sites\/3269\/2021\/03\/24155034\/DB4SQL-validation-checks-300x67.png?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEOz%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCWV1LXdlc3QtMSJHMEUCIHOgkDlnsmdNPb1YynRD8AdKgIaYx%2BUxg5hIrTEY7cdKAiEA2d9TOElVENaM0o7QFgXTXtyJogEuHd65%2FYyGeb48KR8qwQUItf%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FARAFGgwyNzM1NzAxOTU0MzMiDLtOIDXu3Iw7gA52fCqVBVbh0ABBjIwrWoZ9Np4pPhqjVQXk6OYaxxSCsEdO4iEbdC21Y92A1XgwhINAdbwbRRwD0w8zu6GAtSvQwHuYK9Ugig%2FtGp15YiX%2BcreotWHnjU1QU8zfJAnsjZn74R24l%2Fpw1ywMwzINkEcGeCl2nUmw2wATa%2Fyd%2FaEqVJJv%2FXEP1CiWSm45BDa%2FsbMjCbA%2BywuT9%2FwYy%2FyfAM21Lqft9SpZIXCUUMBokWIILFeKWCDCbaFvoYO1hu1A2S%2F%2FMXtad1XHfJquBotH5XHareTb9IteLe55i51FnkZGlW2lg0kF5jIXxcuizJ04thO91nAd7RGRYDsUPFv8YrAHS%2BhJRckWUAvEp7%2BD3P0B%2Bv4tUvPqRgfkGdzOjBE6McyrXX4%2FNKdTcWeSX8mI%2F6BRuC%2BVJJy90kTBP5%2FRnKDVg7bNMo9oT7XBKrFoqiUo%2BU%2FBOvxtMVd%2BZ%2FkjjrKmpDsF%2BVe0suK4u%2Bs%2BnZLcuu5ITXFt4mm0DTbhU6hK893CpKx0xrbN88idgiX1QdgYErvS%2BEO309p7yFBNAubbnicnN8fMeXv4B4E2jdJi23AuTe0W4E9LAFvPxIXSiyr2pxDkOG7IL0e7AAH3hMY%2FYoUyYClwJLLgG3SoXB8B8byTgijnShhTQD6VeAUrWTwMU85bismmTB7%2BT%2FHEmTgszZsH95elHFq0os%2FlItsCUkxLGsAq%2FOKCrXEefaimWYl1FvbC0Yrq9woxBfEwslgMGuaxhchQ%2BkP8MarBwysRvRM%2Fo6c1G6MO9yev%2BGhWiVYnzy5aS81Z08WQF0BnF1%2F%2FEfQNKl5tnqxkIr6aS6Bb4tLTkcZskGJpXVfJFdMZ91lWkaJU%2FEzInePg66Bw1h%2BkasCjrOU8yMm8BpIn9nAw%2BozJzgY6sQFrfQxivaDxUPHDQsXY2AzfjhasgSTSdIDnoSKVzTfuJD02TMTjQ4C4ayWsuH40BO3pMFhcRT3gAfB3Z3EtoIfWj7YeP82q9pmVvQg8q%2BudeWTUlGLvR8L6xE8wFgvQGrDRZwHWte94YwYYc%2B4CddOOSXm9TdJU%2BkM8mYOt900EU5nMDns7gCkcNZkhJx%2Bt37I6hS1ZN%2BqTDSC85sgfCRst8%2FcM22naW0Npt6gGAWGdNyI%3D&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47UVOTHKO2M%2F20260405%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20260405T115527Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=ecad62e046e5055e9f2597cbc651e4e82a17e0fc8dcb2a1bfa31cb0325a2332d 300w\" sizes=\"auto, (max-width: 690px) 100vw, 690px\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Level &#8211; National 5+ Required Fields Required fields cannot be be left empty (null). Right-click on the Table name Select \u201cModify table\u201d Tick the NN (Not Null) option for each required field: Length, Range and Restricted Choice Checks Right-click on the Table name Select \u201cModify table\u201d Double-click the &#8220;Check&#8221; for each field that has a validation check. Type in the rule for field. Field names that include spaces must be<\/p>\n<p><a class=\"more-link\" href=\"https:\/\/blogs.glowscotland.org.uk\/sh\/ahscomputingsql\/creating-a-database\/validation-checks\/\">Read More<\/a><\/p>\n","protected":false},"author":7,"featured_media":0,"parent":262,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-204","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/blogs.glowscotland.org.uk\/sh\/ahscomputingsql\/wp-json\/wp\/v2\/pages\/204","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blogs.glowscotland.org.uk\/sh\/ahscomputingsql\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/blogs.glowscotland.org.uk\/sh\/ahscomputingsql\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/blogs.glowscotland.org.uk\/sh\/ahscomputingsql\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/blogs.glowscotland.org.uk\/sh\/ahscomputingsql\/wp-json\/wp\/v2\/comments?post=204"}],"version-history":[{"count":14,"href":"https:\/\/blogs.glowscotland.org.uk\/sh\/ahscomputingsql\/wp-json\/wp\/v2\/pages\/204\/revisions"}],"predecessor-version":[{"id":674,"href":"https:\/\/blogs.glowscotland.org.uk\/sh\/ahscomputingsql\/wp-json\/wp\/v2\/pages\/204\/revisions\/674"}],"up":[{"embeddable":true,"href":"https:\/\/blogs.glowscotland.org.uk\/sh\/ahscomputingsql\/wp-json\/wp\/v2\/pages\/262"}],"wp:attachment":[{"href":"https:\/\/blogs.glowscotland.org.uk\/sh\/ahscomputingsql\/wp-json\/wp\/v2\/media?parent=204"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}