What are the main differences between a tablespace and datafiles?

Question

An Oracle database consists of one or more logical storage units called tablespaces, which collectively store all of the database's data. Each tablespace in an Oracle database consists of one or more files called datafiles, which are physical structures that conform with the operating system in which Oracle is running.

What are the differences between a table and a tablespace?

The tablespace is where tables gets stored. It links the physical storage layer (files on disks) and the logical storage layer (tables, indexes).

What is the difference between table and tablespace in Oracle?

This is done via tablespaces (see Oracle Concept guide). A tablespace usually consists of one or more data files. When you define a table with CREATE TABLE, you can specify in which tablespace the table should be created. This allows you to seperate different applications on the same database system, for example.

How many datafiles can a tablespace have?

A smallfile tablespace is a traditional Oracle tablespace, which can contain 1022 datafiles or tempfiles, each of which can contain up to approximately 4 million (222) blocks. Dependent on the operating system. An external table can be composed of multiple files.

What tablespace means?

A tablespace is a storage location where the actual data underlying database objects can be kept. It provides a layer of abstraction between physical and logical data, and serves to allocate storage for all DBMS managed segments.

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