forked from docs/doc-exports
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>
2.1 KiB
2.1 KiB
Comment
To comment out a single line, MySQL uses # or --, and GaussDB(DWS) uses --. DSC will replace # with -- for commenting out a single line during migration.
Input
## comment sample create a table CREATE TABLE IF NOT EXISTS `public`.`runoob_tbl`( `runoob_id` VARCHAR, `runoob_title` VARCHAR(100) NOT NULL, `runoob_author` VARCHAR(40) NOT NULL, `submission_date` VARCHAR )ENGINE=InnoDB DEFAULT CHARSET=utf8;
Output
-- comment sample create a table
CREATE TABLE IF NOT EXISTS "public"."runoob_tbl"
(
"runoob_id" VARCHAR,
"runoob_title" VARCHAR(400) NOT NULL,
"runoob_author" VARCHAR(160) NOT NULL,
"submission_date" VARCHAR
)
WITH ( ORIENTATION = ROW, COMPRESSION = NO )
NOCOMPRESS
DISTRIBUTE BY HASH ("runoob_id");
Parent topic: Schema Objects and Data Definition Language (DDL)