-- Create table
create table t_table_name
(
_id NUMBER(10) primary key,_column_1 NUMBER(10)
);
-- Add comments to the table
comment on table t_table_name
is '表备注';
-- Add comments to the columns
comment on column t_table_name.column_1
is '列备注';
删除
drop table t_table_name;
修改
索引(index)
创建
-- Create index
create index index_name on table_name(column_name);
删除
drop index index_name;
修改
序列(sequence)
创建
-- Create sequence
create sequence seq_name
minvalue 1
maxvalue 9999999999
start with 1
increment by 1
cache 10;