如何从BasicFile迁移到SecureFile存储（二）
SYS_IL0000072118C00005$$ INDEX PARTITION ASSM SYS_IL_P177 BASICFILES
SYS_IL0000072118C00006$$ INDEX PARTITION ASSM SYS_IL_P185 BASICFILES
SYS_IL0000072118C00006$$ INDEX PARTITION ASSM SYS_IL_P188 BASICFILES
SYS_IL0000072118C00006$$ INDEX PARTITION ASSM SYS_IL_P187 BASICFILES
SYS_IL0000072118C00006$$ INDEX PARTITION ASSM SYS_IL_P186 BASICFILES
SYS_IL0000072144C00005$$ INDEX PARTITION ASSM SYS_IL_P194 SECUREFILES
SYS_IL0000072144C00005$$ INDEX PARTITION ASSM SYS_IL_P193 SECUREFILES
SYS_IL0000072144C00005$$ INDEX PARTITION ASSM SYS_IL_P195 SECUREFILES
SYS_IL0000072144C00005$$ INDEX PARTITION ASSM SYS_IL_P196 SECUREFILES
SYS_IL0000072144C00006$$ INDEX PARTITION ASSM SYS_IL_P204 SECUREFILES
SYS_IL0000072144C00006$$ INDEX PARTITION ASSM SYS_IL_P203 SECUREFILES
SYS_IL0000072144C00006$$ INDEX PARTITION ASSM SYS_IL_P202 SECUREFILES
SYS_IL0000072144C00006$$ INDEX PARTITION ASSM SYS_IL_P201 SECUREFILES
SYS_LOB0000072118C00005$$ LOB PARTITION ASSM SYS_LOB_P173 BASICFILES
SYS_LOB0000072118C00005$$ LOB PARTITION ASSM SYS_LOB_P176 BASICFILES
SYS_LOB0000072118C00005$$ LOB PARTITION ASSM SYS_LOB_P175 BASICFILES
SYS_LOB0000072118C00005$$ LOB PARTITION ASSM SYS_LOB_P174 BASICFILES
SYS_LOB0000072118C00006$$ LOB PARTITION ASSM SYS_LOB_P184 BASICFILES
SYS_LOB0000072118C00006$$ LOB PARTITION ASSM SYS_LOB_P183 BASICFILES
SYS_LOB0000072118C00006$$ LOB PARTITION ASSM SYS_LOB_P181 BASICFILES
SYS_LOB0000072118C00006$$ LOB PARTITION ASSM SYS_LOB_P182 BASICFILES
SYS_LOB0000072144C00005$$ LOB PARTITION SECUREFILE SYS_LOB_P191 SECUREFILES
SYS_LOB0000072144C00005$$ LOB PARTITION SECUREFILE SYS_LOB_P192 SECUREFILES
SYS_LOB0000072144C00005$$ LOB PARTITION SECUREFILE SYS_LOB_P189 SECUREFILES
SYS_LOB0000072144C00005$$ LOB PARTITION SECUREFILE SYS_LOB_P190 SECUREFILES
SYS_LOB0000072144C00006$$ LOB PARTITION SECUREFILE SYS_LOB_P198 SECUREFILES
SYS_LOB0000072144C00006$$ LOB PARTITION SECUREFILE SYS_LOB_P199 SECUREFILES
SYS_LOB0000072144C00006$$ LOB PARTITION SECUREFILE SYS_LOB_P197 SECUREFILES
SYS_LOB0000072144C00006$$ LOB PARTITION SECUREFILE SYS_LOB_P200 SECUREFILES
TICKETS TABLE PARTITION ASSM STS_PENDING USERS
TICKETS TABLE PARTITION ASSM STS_OTHER USERS
TICKETS TABLE PARTITION ASSM STS_OPEN USERS
TICKETS TABLE PARTITION ASSM STS_CLOSED USERS
TICKETS_PK_IDX INDEX ASSM USERS
BasicFile和SecureFile LOB元数据
(来自DBA_LOBS)
Stored Encryp- Compre- DeDupli- Secure Parti-
Table Column Segment Tablespace Logging Cacheing In Row tion ssion cation File? tioned
-------------- ---------- -------------------------- ------------ -------- ---------- ------- ------- ------- -------- ------- -------
SECURE_TICKETS DOCUMENT SYS_LOB0000072118C00005$$ BASICFILES NONE NO YES NONE NONE NONE NO YES
SECURE_TICKETS SCRNIMG SYS_LOB0000072118C00006$$ BASICFILES NONE NO YES NONE NONE NONE NO YES
TICKETS DOCUMENT SYS_LOB0000072144C00005$$ SECUREFILES NONE YES NO NO NO NO YES YES
TICKETS SCRNIMG SYS_LOB0000072144C00006$$ SECUREFILES NONE CACHEREADS NO NO NO NO YES YES
BasicFile和SecureFile分区LOB默认设置
(来自DBA_PART_LOBS)
Table Column Cached Tablespace SecureFile Compressed DeDuplicated Encrypted
----- ------------ ------------ ------------ ------------ ------------ ------------ ------------
SECURE_TICKETS DOCUMENT NO BASICFILES NO NONE NONE NONE
SECURE_TICKETS SCRNIMG NO BASICFILES NO NONE NONE NONE
TICKETS DOCUMENT YES SECUREFILES YES NO NO NO
TICKETS SCRNIMG CACHEREADS SECUREFILES YES NO NO NO
BasicFile和SecureFile LOB分区
(来自DBA_LOB_PARTITIONS)
Stored in Stored DeDupli-
Table Column Partition Cacheing In Row Encrypted Compressed cated SecureFile
---- ------------ ------------ ---------- ---------- ---------- ---------- ---------- ----------
SECURE_TICKETS DOCUMENT STS_OTHER NO YES NONE NONE NONE NO
SECURE_TICKETS DOCUMENT STS_CLOSED NO YES NONE NONE NONE NO
SECURE_TICKETS DOCUMENT STS_OPEN NO YES NONE NONE NONE NO
SECURE_TICKETS DOCUMENT STS_PENDING NO YES NONE NONE NONE NO
SECURE_TICKETS SCRNIMG STS_OTHER NO YES NONE NONE NONE NO
SECURE_TICKETS SCRNIMG STS_CLOSED NO YES NONE NONE NONE NO
SECURE_TICKETS SCRNIMG STS_PENDING NO YES NONE NONE NONE NO
SECURE_TICKETS SCRNIMG STS_OPEN NO YES NONE NONE NONE NO
TICKETS DOCUMENT STS_OTHER YES NO NO HIGH LOB YES
TICKETS DOCUMENT STS_PENDING YES NO NO NO NO YES
TICKETS DOCUMENT STS_CLOSED YES NO NO MEDIUM LOB YES
TICKETS DOCUMENT STS_OPEN YES NO NO NO NO YES
TICKETS SCRNIMG STS_PENDING CACHEREADS NO NO MEDIUM LOB YES
TICKETS SCRNIMG STS_OPEN CACHEREADS NO NO MEDIUM NO YES
TICKETS SCRNIMG STS_CLOSED CACHEREADS NO NO HIGH LOB YES
TICKETS SCRNIMG STS_OTHER CACHEREADS NO NO HIGH LOB YES
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2、DBMS_SPACE
这是另一个Oracle古老支持包，它的SPACE_USAGE存储过程提供关于BasicFile和SecureFile LOB的空间利用率，我在TRBTKT.PKG_SECUREFILES包中引入了两个存储过程：CALC_SPACE_BASICFILES和CALC_SPACE_SECUREFILES。但遗憾的是，这个功能只能在启用了自动段空间管理(ASSM)的表空间上使用，而且，它也不会考虑任何BasicFile LOB块的空间利用率，在清单5中，我对表TRBTKT.TICKETS和TRBTKT.SECURE_TICKETS分别调用了这些存储过程，并返回了相应的输出。
清单5 确定BasicFile和SecureFile LOB的空间利用率
文章题目：如何从BasicFile迁移到SecureFile存储（二）
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