更新时间:2024-12-10 GMT+08:00
ENGINE
在MySQL中,ENGINE指定表的存储引擎。当存储引擎为ARCHIVE、BLACKHOLE、CSV、FEDERATED、INNODB、MYISAM、MEMORY、MRG_MYISAM、NDB、NDBCLUSTER和PERFOMANCE_SCHEMA时,DSC支持该属性迁移,迁移过程中会将该属性删除。
输入示例
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CREATE TABLE `public`.`runoob_alter_test`( `dataType1` int NOT NULL, `dataType2` DOUBLE(20,8), PRIMARY KEY(`dataType1`) )ENGINE=MYISAM; ## A. ALTER TABLE runoob_alter_test ENGINE INNODB; ALTER TABLE runoob_alter_test ENGINE=INNODB; ## B. ALTER TABLE runoob_alter_test ENGINE MYISAM; ALTER TABLE runoob_alter_test ENGINE=MYISAM; ## C. ALTER TABLE runoob_alter_test ENGINE MEMORY; ALTER TABLE runoob_alter_test ENGINE=MEMORY; |
输出示例
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CREATE TABLE "public"."runoob_alter_test" ( "datatype1" INTEGER NOT NULL, "datatype2" DOUBLE PRECISION, PRIMARY KEY ("datatype1") ) WITH ( ORIENTATION = ROW, COMPRESSION = NO ) NOCOMPRESS DISTRIBUTE BY HASH ("datatype1"); -- A. -- B. -- C. |
父主题: 表(可选参数、操作)