nosql발표자료

목차

1. RDBMS(relational data base management system)
2. The ACID rules in RDBMS
3. What is Nosql
4. Nosql charictoristic
5. Nosql products/projects

본문내용

The ACID rules in RDBMS
The ACID rules of transaction in any database assure the reliability of data in all transactions in the database.
-Atomicity (“all or nothing” rule) - this rule states that either the complete transaction takes place, or none. Even if a part of a transaction fails to work, the complete transaction will fail
-Consistency (only valid data will be written to the database) - this rule ensures that the database is stable, before and after the transaction, even if a transaction fails. If a Transaction fails, the entire transaction will be rolled back and the database will be restored to a state consistent. If a Transaction successfully executes, it will take the database from one consistent state to another consistent state

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