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>
32 lines
2.3 KiB
HTML
32 lines
2.3 KiB
HTML
<a name="EN-US_TOPIC_0000001819336185"></a><a name="EN-US_TOPIC_0000001819336185"></a>
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<h1 class="topictitle1">DELAY_KEY_WRITE</h1>
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<div id="body8662426"><p id="EN-US_TOPIC_0000001819336185__en-us_topic_0000001706104981_en-us_topic_0000001385616038_en-us_topic_0214164432_p579713312318"><strong id="EN-US_TOPIC_0000001819336185__en-us_topic_0000001706104981_en-us_topic_0000001385616038_b124183821432158">DELAY_KEY_WRITE</strong> is valid only for MyISAM tables. It is used to delay updates until the table is closed. GaussDB(DWS) does not support table definition modification using this attribute. DSC will delete the attribute during migration.</p>
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<p id="EN-US_TOPIC_0000001819336185__en-us_topic_0000001706104981_en-us_topic_0000001385616038_en-us_topic_0214164432_p819210440419"><strong id="EN-US_TOPIC_0000001819336185__en-us_topic_0000001706104981_en-us_topic_0000001385616038_en-us_topic_0214164432_b289713285164">Input</strong></p>
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<pre class="screen" id="EN-US_TOPIC_0000001819336185__en-us_topic_0000001706104981_en-us_topic_0000001385616038_en-us_topic_0214164432_screen19200191373016">CREATE TABLE `public`.`runoob_tbl_test`(
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`runoob_id` VARCHAR(30),
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`runoob_title` VARCHAR(100) NOT NULL,
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`runoob_author` VARCHAR(40) NOT NULL,
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`submission_date` VARCHAR(30)
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) ENGINE=MyISAM, DELAY_KEY_WRITE=0;
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ALTER TABLE `public`.`runoob_tbl_test6` DELAY_KEY_WRITE=1;</pre>
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<p id="EN-US_TOPIC_0000001819336185__en-us_topic_0000001706104981_en-us_topic_0000001385616038_en-us_topic_0214164432_p12114173518210"><strong id="EN-US_TOPIC_0000001819336185__en-us_topic_0000001706104981_en-us_topic_0000001385616038_en-us_topic_0214164432_b75411332121613">Output</strong></p>
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<pre class="screen" id="EN-US_TOPIC_0000001819336185__en-us_topic_0000001706104981_en-us_topic_0000001385616038_en-us_topic_0214164432_screen18579330113120">CREATE TABLE "public"."runoob_tbl_test"
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(
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"runoob_id" VARCHAR(120),
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"runoob_title" VARCHAR(400) NOT NULL,
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"runoob_author" VARCHAR(160) NOT NULL,
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"submission_date" VARCHAR(120)
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)
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WITH ( ORIENTATION = ROW, COMPRESSION = NO )
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NOCOMPRESS
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DISTRIBUTE BY HASH ("runoob_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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