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luhuayi
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Reviewed-by: Pruthi, Vineet <vineet.pruthi@t-systems.com> Co-authored-by: luhuayi <luhuayi@huawei.com> Co-committed-by: luhuayi <luhuayi@huawei.com>
15 lines
1.4 KiB
HTML
15 lines
1.4 KiB
HTML
<a name="EN-US_TOPIC_0000001811609569"></a><a name="EN-US_TOPIC_0000001811609569"></a>
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<h1 class="topictitle1">Design Rules for GaussDB(DWS) Views and Associated Tables</h1>
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<div id="body1528162486098"><div class="section" id="EN-US_TOPIC_0000001811609569__section4431103710524"><h4 class="sectiontitle">View Design</h4><ul id="EN-US_TOPIC_0000001811609569__ul15374258175816"><li id="EN-US_TOPIC_0000001811609569__li18374258155814">[Proposal] Do not nest views unless they have strong dependency on each other.</li><li id="EN-US_TOPIC_0000001811609569__li95301035916">[Proposal] Try to avoid sort operations in a view definition.</li></ul>
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</div>
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<div class="section" id="EN-US_TOPIC_0000001811609569__section6265550010713"><h4 class="sectiontitle">Joined Table Design</h4><ul id="EN-US_TOPIC_0000001811609569__ul1798817211596"><li id="EN-US_TOPIC_0000001811609569__li15988523595">[Proposal] Minimize joined columns across tables.</li><li id="EN-US_TOPIC_0000001811609569__li82861353592">[Proposal] Joined columns should use the same data type.</li><li id="EN-US_TOPIC_0000001811609569__li96527718596">[Proposal] The names of associated fields should show the associations. For example, they can use the same name.</li></ul>
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</div>
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</div>
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<div>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="dws_04_0077.html">GaussDB(DWS) Database Object Design Rules</a></div>
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</div>
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</div>
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