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doc-exports/docs/dws/tool/dws_16_0156.html
Lu, Huayi 27019c2991 DWS TOOL 830.201 version 
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>
2024-05-16 07:35:25 +00:00

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DROP (Table Deletion)

Both GaussDB(DWS) and MySQL support using the DROP statement to delete tables. However, GaussDB(DWS) does not support the RESTRICT | CASCADE keyword in the DROP statement. DSC will delete the keywords during migration.

Input

CREATE TABLE IF NOT EXISTS `public`.`express_elb_server`(
   `runoob_id` VARCHAR(10),
   `runoob_title` VARCHAR(100) NOT NULL,
   `runoob_author` VARCHAR(40) NOT NULL,
   `submission_date` VARCHAR(10)
)ENGINE=InnoDB DEFAULT CHARSET=utf8;
DROP TABLE  `public`.`express_elb_server` RESTRICT;

Output

CREATE TABLE IF NOT EXISTS "public"."express_elb_server"
(
  "runoob_id" VARCHAR(40),
  "runoob_title" VARCHAR(400) NOT NULL,
  "runoob_author" VARCHAR(160) NOT NULL,
  "submission_date" VARCHAR(40)
)
  WITH ( ORIENTATION = ROW, COMPRESSION = NO )
  NOCOMPRESS
  DISTRIBUTE BY HASH ("runoob_id");
DROP TABLE "public"."express_elb_server";