Chapter Summary
This chapter has explained the logical and physical database storage structures, including databases, tablespaces, data files, segments, extents, and data blocks.
Tablespaces are logical storage divisions within an Oracle database. You create and manage tablespaces by using the SQL commands CREATE TABLESPACE and ALTER TABLESPACE.
Each tablespace has one or more data files to physically store its data. You can specify the names and properties of a tablespace's data files when you create the tablespace with the CREATE TABLESPACE command. ...
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