forked from docs/doc-exports
Lu, Huayi
27019c2991
Reviewed-by: Hasko, Vladimir <vladimir.hasko@t-systems.com> Reviewed-by: Pruthi, Vineet <vineet.pruthi@t-systems.com> Co-authored-by: Lu, Huayi <luhuayi@huawei.com> Co-committed-by: Lu, Huayi <luhuayi@huawei.com>
25 lines
1.8 KiB
HTML
25 lines
1.8 KiB
HTML
<a name="EN-US_TOPIC_0000001819336189"></a><a name="EN-US_TOPIC_0000001819336189"></a>
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<h1 class="topictitle1">FOREIGN_KEY_CHECKS</h1>
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<div id="body8662426"><p id="EN-US_TOPIC_0000001819336189__en-us_topic_0000001706224141_en-us_topic_0000001449512505_p8060118">For foreign key constraints in MySQL, GaussDB(DWS) does not support them modifying table definition. They will be deleted during DSC migration.</p>
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<p id="EN-US_TOPIC_0000001819336189__en-us_topic_0000001706224141_en-us_topic_0000001449512505_p136041758101119"><strong id="EN-US_TOPIC_0000001819336189__en-us_topic_0000001706224141_en-us_topic_0000001449512505_b077417395253">Input</strong></p>
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<pre class="screen" id="EN-US_TOPIC_0000001819336189__en-us_topic_0000001706224141_en-us_topic_0000001449512505_screen2088154513254">set foreign_key_checks = 0;
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Create Table mall_order_dc (
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id bigint NOT NULL AUTO_INCREMENT,
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order_id varchar(50) NOT NULL,
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key order_id(order_id)
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);</pre>
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<p id="EN-US_TOPIC_0000001819336189__en-us_topic_0000001706224141_en-us_topic_0000001449512505_p97061333162516"><strong id="EN-US_TOPIC_0000001819336189__en-us_topic_0000001706224141_en-us_topic_0000001449512505_b19207642172510">Output</strong></p>
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<pre class="screen" id="EN-US_TOPIC_0000001819336189__en-us_topic_0000001706224141_en-us_topic_0000001449512505_screen597254913252">CREATE TABLE "public"."mall_order_dc" (
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"id" BIGSERIAL NOT NULL,
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"order_id" VARCHAR(200) NOT NULL
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) WITH (ORIENTATION = ROW, COMPRESSION = NO) NOCOMPRESS DISTRIBUTE BY HASH ("id");
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CREATE INDEX "order_id" ON "public"."mall_order_dc" USING BTREE ("order_id");</pre>
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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_16_0119.html">Table (Optional Parameters and Operations)</a></div>
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</div>
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</div>
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