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First Extent 最小值為 two data block 要考試了才知道
INITIAL Specify in bytes the size of the object's first extent. Oracle allocates space for this extent when you create the schema object. Use K or M to specify this size in kilobytes or megabytes. The default value is the size of 5 data blocks. The minimum value is the size of 2 data blocks for nonbitmapped segments or 3 data blocks for bitmapped segments, plus one data block for each free list group you specify. The maximum value depends on your operating system. Oracle rounds values up to the
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DBCA 裡設置 MAXDATAFILES/MAXLOGFILESMAXLOGMEMBERS
1. What are the maximun number of datafiles ? MAXDATAFILES2. What are the maximun number of redolog groups ? MAXLOGFILES3. What are the maximun number of members for a redolog group ? MAXLOGMEMBERS4. What are the maximun number of instances that can access a database concurrently? MAXINSTANCES5. What are the maximun number of redo log files that can be recorded in the log history of the control file? MAXLOGHISTORY[@more@]
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Ora-12638 證明資料擷取失敗
在Windows安裝10G時發生的錯誤，只要在 $ORACLE_HOMEnetworkadminsqlnet.ora將 NTS 那一行 Mrak (#) 起來就行了。[@more@]
