Traditional Culture Encyclopedia - Traditional stories - What are the characteristics of the database?
What are the characteristics of the database?
There are four database systems.
Features:
1, which allows you to use data definition language to create a new database and specify its schema.
2, can query data and update data.
3, support the storage of a large number of data, and ensure its security after a long time.
4. Control the access of multiple users to the database to ensure that there is no conflict.
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