Tablespaces and Data Files
A tablespace is a logical organization of data within an Oracle database that corresponds to one or more physical data files on disk. Figure 8-2 illustrates the relationship between several tablespaces and their data files.
When you create a new data structure such as a table that requires space to store its data, Oracle allocates (reserves) space for the table from a tablespace of your choice; when you do not indicate a specific tablespace for a new table, Oracle allocates space for the table from your account's default tablespace. See Chapter 7 for more information about setting the default tablespace for a user account.
Although you can be in charge of what tablespace logically stores a data structure such as a table, ...
Get Hands-On Oracle Database 10g Express Edition for Windows now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.