{"id":214,"date":"2021-03-22T16:14:15","date_gmt":"2021-03-22T16:14:15","guid":{"rendered":"https:\/\/blogs.glowscotland.org.uk\/sh\/ahscomputingsql\/?page_id=214"},"modified":"2021-03-25T15:40:26","modified_gmt":"2021-03-25T15:40:26","slug":"ddl-code","status":"publish","type":"page","link":"https:\/\/blogs.glowscotland.org.uk\/sh\/ahscomputingsql\/creating-a-database\/ddl-code\/","title":{"rendered":"DDL Code"},"content":{"rendered":"<h1><span style=\"color: #339966\">Level &#8211; National 5+<\/span><\/h1>\n<h1>Checking for Correctness<\/h1>\n<p>As you have been creating tables, the SQL command to create that table has been displayed at the bottom of the &#8220;Edit table definition&#8221; window:<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-319\" src=\"https:\/\/blogs.glowscotland.org.uk\/sh\/public\/ahscomputingsql\/uploads\/sites\/3269\/2021\/03\/24151004\/DB4SQL-DDL.png\" alt=\"\" width=\"524\" height=\"138\" srcset=\"https:\/\/blogs.glowscotland.org.uk\/sh\/public\/ahscomputingsql\/uploads\/sites\/3269\/2021\/03\/24151004\/DB4SQL-DDL.png 524w, https:\/\/glow-prod-sh.s3.eu-west-1.amazonaws.com\/sh\/public\/ahscomputingsql\/uploads\/sites\/3269\/2021\/03\/24151004\/DB4SQL-DDL-300x79.png?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEJX%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCWV1LXdlc3QtMSJHMEUCIBlJyKooQBQ0Ax%2BKSS8RmA4AFpIxI77Sni6A%2BbXqZT9JAiEA6eYcgRGzPxxiTFTbVnvRyXvM8ngArNYkUOzaV9Wpa84quAUIXhAFGgwyNzM1NzAxOTU0MzMiDDAkvTEcg2kAYkCILyqVBfcdm%2F542tVjSxtTQ%2BjdNcnVsjzw%2Bt9U2VYPQEWO3ZxoXSsB0Ss7t9GBG4xFm2Ru5E1ihPyCq0e8vUBTCA%2BrA3YUMpaQZWZQqxXZyVYRn%2BDKUsY67NixSm3A2DdsjqhspfKp5RgAI3HEDG0j2xRjplSNtCvnpM%2BuBfAk46TC92GAodlDoA77Cv62Zed1itqTzeNC25XxdnAMHQM3A2%2BQV2H2374DwP2%2Fy4uV5p0rSxgrRdLZ2Rw%2FwNWFX2Fx%2Bff5cDt17cd4imTofTSzgzSJlF1ZbG6Yi3ZJ9nduszqzcxylsoRtof4FB7f3JhRa3lru%2Bs25URuc9Luv6tIKKIUfSngvG3hk0LEew2NhNmFmict48UGcBwesi5aOGuwGODxvJmDrvexLvA6KEnLj8Z%2BNmicBfpplR0Mo4c9SLIotowEWHF2Eut0sAk9CD2zsse%2BtfDBnCIo23tzQynUrrWkg4bxma1ZDckOqG41unSsqNhs4UgtKKCz55kpcJ1823mzWtmpkZUHm2qQWYTL1ra1E4Lud7cNxHYjeDdrIQ6wF9dp6Q8rJz94M99Zhmd9JzOw5NIC05Mmx65ej8dK%2Bf2o%2BPUpfesBKpbMy3NQexnF4aCmUTGidX8G2TE%2BBcvHQJcGbzFeDW2wzFCtfl%2BvFXU%2B%2BM2qLM5IGiva0UBiwShgDBNNZ6Jfi8Pa4Vw3MG9qk80AbkgYtVAUFOQNsanEV1VNvrEyiT4T7tmw9Orx6v4IMsmiNh5YpDES%2BVdmPpvfah7f6Tgx1vyqeXd1mYI%2FaOCCRoLiDjDFNxYeh1si0yDv1WTC6kI%2BTs%2BzrF%2F0GBDy5h4GLE8lxVmx2Tt2EFDkGUsvWDfsGszA%2BAz9lQ3PIlc6STDEkiazAOkMw64r40QY6sQH8JeVYVmsJn8i%2F0rwwP6kgPw2Drn9ciNDXcdBhd%2B0sc%2FYYnXyZY%2BicUyDyiK07tDHI%2Fj%2B9U%2B1kNzGAUJbA3Q70uA2XobwBf5NH%2B%2B7qdkEddHpoqWYV3wrhiPx62N%2BquidOK0u4AYfCWflRcFtRKYSG2sTNKibz4skaN%2BsyO0E455WR%2FbDIVCDkX6ToO59GdFDZ%2FZqeTOoP8yPtihYzH9nL2PCkg6mRiwJ995o2OA3JKxc%3D&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U7JSZ6ZQD%2F20260626%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20260626T045637Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=899&amp;X-Amz-Signature=43d99e27e919a886217b9f75ac25b96bcfde449bc93949ce730a819a171ce64f 300w\" sizes=\"auto, (max-width: 524px) 100vw, 524px\" \/><\/p>\n<p><em>Note: Quotation marks may have been added to table\/field names, and any other text.<\/em><\/p>\n<p>Compare this with every item on your data dictionary:<\/p>\n<ul>\n<li>Are your field names correct?<\/li>\n<li>Are the data types correct?<\/li>\n<\/ul>\n<ul>\n<li>Is there a Primary key?<\/li>\n<li>Is the Primary key Unique?<\/li>\n<li>Is the Primary key Not Null?<\/li>\n<li>Are foreign keys connected to the correct table and field?<\/li>\n<\/ul>\n<ul>\n<li>Are required fields set to \u201cNot Null\u201d?<\/li>\n<li>Are your length checks correct?<\/li>\n<li>Are your range checks correct?<\/li>\n<li>Are your restricted choice checks correct?<\/li>\n<\/ul>\n<h1>Printing Evidence<\/h1>\n<p>This DDL code can copied and pasted into a Word document, but it will lose any autoformatting:<\/p>\n<pre>CREATE TABLE \"appointments\" (\n\"appointment_id\" INTEGER,\n\"customer_id\" INTEGER,\n\"date\" TEXT,\n\"time\" TEXT,\n\"completed\" NUMERIC,\nFOREIGN KEY(\"customer_id\") REFERENCES \"customers\"(\"customer_id\")\n);<\/pre>\n<p>Using the Snipping Tool will keep the autoformatting, making it easier to read:<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-319\" src=\"https:\/\/blogs.glowscotland.org.uk\/sh\/public\/ahscomputingsql\/uploads\/sites\/3269\/2021\/03\/24151004\/DB4SQL-DDL.png\" alt=\"\" width=\"524\" height=\"138\" srcset=\"https:\/\/blogs.glowscotland.org.uk\/sh\/public\/ahscomputingsql\/uploads\/sites\/3269\/2021\/03\/24151004\/DB4SQL-DDL.png 524w, https:\/\/glow-prod-sh.s3.eu-west-1.amazonaws.com\/sh\/public\/ahscomputingsql\/uploads\/sites\/3269\/2021\/03\/24151004\/DB4SQL-DDL-300x79.png?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEJX%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCWV1LXdlc3QtMSJHMEUCIBlJyKooQBQ0Ax%2BKSS8RmA4AFpIxI77Sni6A%2BbXqZT9JAiEA6eYcgRGzPxxiTFTbVnvRyXvM8ngArNYkUOzaV9Wpa84quAUIXhAFGgwyNzM1NzAxOTU0MzMiDDAkvTEcg2kAYkCILyqVBfcdm%2F542tVjSxtTQ%2BjdNcnVsjzw%2Bt9U2VYPQEWO3ZxoXSsB0Ss7t9GBG4xFm2Ru5E1ihPyCq0e8vUBTCA%2BrA3YUMpaQZWZQqxXZyVYRn%2BDKUsY67NixSm3A2DdsjqhspfKp5RgAI3HEDG0j2xRjplSNtCvnpM%2BuBfAk46TC92GAodlDoA77Cv62Zed1itqTzeNC25XxdnAMHQM3A2%2BQV2H2374DwP2%2Fy4uV5p0rSxgrRdLZ2Rw%2FwNWFX2Fx%2Bff5cDt17cd4imTofTSzgzSJlF1ZbG6Yi3ZJ9nduszqzcxylsoRtof4FB7f3JhRa3lru%2Bs25URuc9Luv6tIKKIUfSngvG3hk0LEew2NhNmFmict48UGcBwesi5aOGuwGODxvJmDrvexLvA6KEnLj8Z%2BNmicBfpplR0Mo4c9SLIotowEWHF2Eut0sAk9CD2zsse%2BtfDBnCIo23tzQynUrrWkg4bxma1ZDckOqG41unSsqNhs4UgtKKCz55kpcJ1823mzWtmpkZUHm2qQWYTL1ra1E4Lud7cNxHYjeDdrIQ6wF9dp6Q8rJz94M99Zhmd9JzOw5NIC05Mmx65ej8dK%2Bf2o%2BPUpfesBKpbMy3NQexnF4aCmUTGidX8G2TE%2BBcvHQJcGbzFeDW2wzFCtfl%2BvFXU%2B%2BM2qLM5IGiva0UBiwShgDBNNZ6Jfi8Pa4Vw3MG9qk80AbkgYtVAUFOQNsanEV1VNvrEyiT4T7tmw9Orx6v4IMsmiNh5YpDES%2BVdmPpvfah7f6Tgx1vyqeXd1mYI%2FaOCCRoLiDjDFNxYeh1si0yDv1WTC6kI%2BTs%2BzrF%2F0GBDy5h4GLE8lxVmx2Tt2EFDkGUsvWDfsGszA%2BAz9lQ3PIlc6STDEkiazAOkMw64r40QY6sQH8JeVYVmsJn8i%2F0rwwP6kgPw2Drn9ciNDXcdBhd%2B0sc%2FYYnXyZY%2BicUyDyiK07tDHI%2Fj%2B9U%2B1kNzGAUJbA3Q70uA2XobwBf5NH%2B%2B7qdkEddHpoqWYV3wrhiPx62N%2BquidOK0u4AYfCWflRcFtRKYSG2sTNKibz4skaN%2BsyO0E455WR%2FbDIVCDkX6ToO59GdFDZ%2FZqeTOoP8yPtihYzH9nL2PCkg6mRiwJ995o2OA3JKxc%3D&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U7JSZ6ZQD%2F20260626%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20260626T045637Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=899&amp;X-Amz-Signature=43d99e27e919a886217b9f75ac25b96bcfde449bc93949ce730a819a171ce64f 300w\" sizes=\"auto, (max-width: 524px) 100vw, 524px\" \/><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Level &#8211; National 5+ Checking for Correctness As you have been creating tables, the SQL command to create that table has been displayed at the bottom of the &#8220;Edit table definition&#8221; window: Note: Quotation marks may have been added to table\/field names, and any other text. Compare this with every item on your data dictionary: Are your field names correct? Are the data types correct? Is there a Primary key?<\/p>\n<p><a class=\"more-link\" href=\"https:\/\/blogs.glowscotland.org.uk\/sh\/ahscomputingsql\/creating-a-database\/ddl-code\/\">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-214","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/blogs.glowscotland.org.uk\/sh\/ahscomputingsql\/wp-json\/wp\/v2\/pages\/214","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=214"}],"version-history":[{"count":8,"href":"https:\/\/blogs.glowscotland.org.uk\/sh\/ahscomputingsql\/wp-json\/wp\/v2\/pages\/214\/revisions"}],"predecessor-version":[{"id":408,"href":"https:\/\/blogs.glowscotland.org.uk\/sh\/ahscomputingsql\/wp-json\/wp\/v2\/pages\/214\/revisions\/408"}],"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=214"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}