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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 treasure(
id int,
owner varchar2(30),
type varchar2(30),
name varchar2(30));
Then we create a index on the table.
Dump of First Level Bitmap Block
--------------------------------
nbits : 4 nranges: 1 parent dba: 0x0800010b poffset: 0
unformatted: 44 total: 64 first useful block: 4
owning instance : 1
instance ownership changed at 08/28/2007 04:14:22
Last successful Search 08/28/2007 04:14:22
Freeness Status: nf1 0 nf2 0 nf3 0 nf4 16
Extent Map Block Offset: 4294967295
First free datablock : 4
Bitmap block lock opcode 0
Locker xid: : 0x0000.000.00000000
Inc #: 0 Objd: 59577
HWM Flag: HWM Set
Highwater:: 0x08000149 ext#: 0 blk#: 64 ext size: 128
#blocks in seg. hdr's freelists: 0
#blocks below: 60
mapblk 0x00000000 offset: 0
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