ITPub博客

In this section, i want to demo the code. Hello. public class Demo { public static void main(String[] args) { //heelo } } [@more@] Table is some kind of thing in a database and oracle is some kind of database, so let's play with some table in oracle. of database, so let's play with some table in oracle. of database, so let's play with some table in oracle. At the beginning, we create a table. At the beginning, we create a table. create table treas

Oracle is a kind of database. One of database's function is manage persistent data. Persistent data is stored on some device, such hard disk, tape.In current technology, Oracle database mainly stores persistent data on harddisk. Oracle use tablespace as an interface to manage persistent data. We will spend some time on tablespaces, and learn how oracle stores data on file in HD.[@more@]There are different kinds of tablespaces in Oracle: temp tablespace, rollback tablespace, and permanent tablesp

create table fish(water pool); type here Normal text And here is normal text And here is normal text It's an important thing. So far, It seems good. Let's some color here. what's STRONG like? what's BIG like? AAA BBB What about this color What about this color What about this color What about this color What about this color What about this color What about this color What about this color What about this color What about this color What about this color W

Table is some kind of thing in a database and oracle is some kind of database, so let's play with some table in oracle.[@more@]At the beginning, we create a table.create table treasure(id int, owner varchar2(30), type varchar2(30), name varchar2(30));Then we create a index on the table.create unique index treasure_idx on treasure (id);Then we add a primary key constraint on the table using the index we just created.alter table treasure add constraint treasure_pkprimary key (id)using index treasu