181
185
alter table t2 rename t1, add c char(10) comment "no comment";
183
187
Field Type Null Key Default Extra
187
191
create table t1 (a int, b int);
188
194
insert into t1 values(1,100), (2,100), (3, 100);
189
195
insert into t1 values(1,99), (2,99), (3, 99);
190
196
insert into t1 values(1,98), (2,98), (3, 98);