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select * from information_schema.columns where table_name = "t1"; TABLE_CATALOG TABLE_SCHEMA TABLE_NAME COLUMN_NAME ORDINAL_POSITION COLUMN_DEFAULT IS_NULLABLE DATA_TYPE CHARACTER_MAXIMUM_LENGTH CHARACTER_OCTET_LENGTH NUMERIC_PRECISION NUMERIC_SCALE DATETIME_PRECISION CHARACTER_SET_NAME COLLATION_NAME COLUMN_TYPE COLUMN_KEY EXTRA PRIVILEGES COLUMN_COMMENT GENERATION_EXPRESSION def test t1 a1 1 NULL NO smallint NULL NULL 5 0 NULL NULL NULL smallint(6) PRI # def test t1 a2 2 NULL NO int NULL NULL 10 0 NULL NULL NULL int(11) # def test t1 a3 3 NULL NO bigint NULL NULL 19 0 NULL NULL NULL bigint(20) # def test t1 a4 4 NULL YES char 10 10 NULL NULL NULL latin1 latin1_swedish_ci char(10) # def test t1 a5 5 NULL YES decimal NULL NULL 5 1 NULL NULL NULL decimal(5,1) # def test t1 a6 6 NULL YES time NULL NULL NULL NULL 0 NULL NULL time # def test t1 a7 7 NULL YES date NULL NULL NULL NULL NULL NULL NULL date # def test t1 a8 8 NULL YES datetime NULL NULL NULL NULL 0 NULL NULL datetime # def test t1 a9 9 NULL YES varchar 255 255 NULL NULL NULL latin1 latin1_swedish_ci varchar(255) # def test t1 a10 10 NULL YES blob 65535 65535 NULL NULL NULL NULL NULL blob # show create table t1; Table Create Table t1 CREATE TABLE `t1` ( `a1` smallint(6) NOT NULL, `a2` int(11) NOT NULL, `a3` bigint(20) NOT NULL, `a4` char(10) DEFAULT NULL, `a5` decimal(5,1) DEFAULT NULL, `a6` time DEFAULT NULL, `a7` date DEFAULT NULL, `a8` datetime DEFAULT NULL, `a9` varchar(255) DEFAULT NULL, `a10` blob, PRIMARY KEY (`a1`) ) /*!50100 TABLESPACE `ts` */ ENGINE=ndbcluster DEFAULT CHARSET=latin1 Attributes: a1 Smallint PRIMARY KEY DISTRIBUTION KEY AT=FIXED ST=MEMORY a2 Int NOT NULL AT=FIXED ST=DISK a3 Bigint NOT NULL AT=FIXED ST=DISK a4 Char(10;latin1_swedish_ci) NULL AT=FIXED ST=DISK a5 Decimal(5,1) NULL AT=FIXED ST=DISK a6 Time NULL AT=FIXED ST=DISK a7 Date NULL AT=FIXED ST=DISK a8 Datetime NULL AT=FIXED ST=DISK a9 Varchar(255;latin1_swedish_ci) NULL AT=FIXED ST=DISK a10 Blob(256,2000,16) NULL AT=FIXED ST=DISK BV=1 BT=NDB$BLOB_#_# select * from t1 order by a1; a1 a2 a3 a4 a5 a6 a7 a8 a9 a10 1 2 2000000001 aaa1 34.2 04:03:02 2006-01-01 1971-05-28 16:55:03 bbbbbbbbbbbbb1 binary data 2 3 2000000002 aaa2 34.2 04:03:02 2006-01-01 1971-05-28 16:55:03 bbbbbbbbbbbbb2 binary data 3 4 2000000003 aaa3 34.2 04:03:02 2006-01-01 1971-05-28 16:55:03 bbbbbbbbbbbbb3 binary data 4 5 2000000004 aaa4 34.2 04:03:02 2006-01-01 1971-05-28 16:55:03 bbbbbbbbbbbbb4 binary data 5 6 2000000005 aaa5 34.2 04:03:02 2006-01-01 1971-05-28 16:55:03 bbbbbbbbbbbbb5 binary data ALTER TABLE t1 ADD COLUMN c int; Warnings: Note 1880 TIME/TIMESTAMP/DATETIME columns of old format have been upgraded to the new format. SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `a1` smallint(6) NOT NULL, `a2` int(11) NOT NULL, `a3` bigint(20) NOT NULL, `a4` char(10) DEFAULT NULL, `a5` decimal(5,1) DEFAULT NULL, `a6` time DEFAULT NULL, `a7` date DEFAULT NULL, `a8` datetime DEFAULT NULL, `a9` varchar(255) DEFAULT NULL, `a10` blob, `c` int(11) DEFAULT NULL, PRIMARY KEY (`a1`) ) /*!50100 TABLESPACE `ts` */ ENGINE=ndbcluster DEFAULT CHARSET=latin1 FLUSH TABLES; SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `a1` smallint(6) NOT NULL, `a2` int(11) NOT NULL, `a3` bigint(20) NOT NULL, `a4` char(10) DEFAULT NULL, `a5` decimal(5,1) DEFAULT NULL, `a6` time DEFAULT NULL, `a7` date DEFAULT NULL, `a8` datetime DEFAULT NULL, `a9` varchar(255) DEFAULT NULL, `a10` blob, `c` int(11) DEFAULT NULL, PRIMARY KEY (`a1`) ) /*!50100 TABLESPACE `ts` */ ENGINE=ndbcluster DEFAULT CHARSET=latin1 drop table t1; ALTER TABLESPACE ts DROP DATAFILE 'datafile.dat' ENGINE NDB; drop tablespace ts engine ndb; drop logfile group lg engine ndb;