C:\Users\Administrator>sqlplus sys/aaaaaa@orcl71 as sysdba sql*Plus: Release 10.2.0.3.0 - Production on 星期六 7月 9 09:06:11 2016 copyright (c) 1982,2006,Oracle. All Rights Reserved. 连接到: Oracle Database 11g Enterprise Edition Release 11.2.0.4.0 - 64bit Production With the Partitioning,Automatic Storage Management,OLAP,Data Mining and Real Application Testing options sql> set pages 50 sql> select * from v$type_size; COMPONEN TYPE DESCRIPTION TYPE_SIZE -------- -------- -------------------------------- ---------- S EWORD EITHER WORD 4 S EB1 EITHER BYTE 1 1 S EB2 EITHER BYTE 2 2 S EB4 EITHER BYTE 4 4 S UWORD UNSIGNED WORD 4 S UB1 UNSIGNED BYTE 1 1 S UB2 UNSIGNED BYTE 2 2 S UB4 UNSIGNED BYTE 4 4 S SWORD SIGNED WORD 4 S SB1 SIGNED BYTE 1 1 S SB2 SIGNED BYTE 2 2 S SB4 SIGNED BYTE 4 4 S BOOLEAN BOOLEAN 4 S FLOAT FLOAT 4 S DOUBLE DOUBLE 8 S SIZE_T SIZE_T 8 S DSIZE_T DSIZE_T 4 S PTR_T PTR_T 8 K KDBA DATABASE BLOCK ADDRESS 4 K KTNO TABLE NUMBER IN CLUSTER 1 K KSCN SYstem COMMIT NUMBER 8 K KXID TRANSACTION ID 8 K KUBA UNDO ADDRESS 8 KCB KCBH BLOCK COMMON HEADER 20 KTB KTBIT TRANSACTION VARIABLE HEADER 24 KTB KTBBH TRANSACTION FIXED HEADER 48 KTB KTBBH_BS TRANSACTION BLOCK BITMAP SEGMENT 8 KDB KDBH DATA HEADER 14 KDB KDBT TABLE DIRECTORY ENTRY 4 KTE KTECT EXTENT CONTROL 44 KTE KTECH EXTENT CONTROL 72 KTE KTETB EXTENT TABLE 8 KTS KTSHC SEGMENT HEADER 8 KTS KTSFS SEGMENT FREE SPACE LIST 20 KTS KTSPHW PAGE TABLE SEGMENT HWM 60 KTS KTSPHC PAGE TABLE SEGMENT HEADER 112 KTS KTSPFHC LEVEL 1 BITMAP BLOCK HEADER 184 KTS KTSPSHC LEVEL 2 BITMAP BLOCK HEADER 96 KTS KTSPTHC LEVEL 3 BITMAP BLOCK HEADER 88 KTU KTUBH UNDO HEADER 16 KTU KTUXE UNDO TRANSACTION ENTRY 40 KTU KTUXC UNDO TRANSACTION CONTROL 104 KDX KdxcO INDEX HEADER 16 KDX KDXLE INDEX LEAF HEADER 32 KDX KDXBR INDEX BRANCH HEADER 24 已选择45行。 sql>
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