In MySQL, ENGINE specifies the storage engine for a table. When the storage engine is ARCHIVE, BLACKHOLE, CSV, FEDERATED, INNODB, MYISAM, MEMORY, MRG_MYISAM, NDB, NDBCLUSTER, or PERFORMANCE_SCHEMA, this attribute can be migrated and will be deleted during the migration.
Input
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;
Output
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.