An Oracle database is a collection of data treated as a unit. The purpose of a database is to store and retrieve related information. A database server is the key to solving the problems of information management. In general, a server reliably manages a large amount of data in a multiuser environment so that many users can concurrently access the same data. All this is accomplished while delivering high performance. A database server also prevents unauthorized access and provides efficient solutions for failure recovery.
Oracle Database is the first database designed for enterprise grid computing, the most flexible and cost effective way to manage information and applications. Enterprise grid computing creates large pools of industry-standard, modular storage and servers. With this architecture, each new system can be rapidly provisioned from the pool of components. There is no need for peak workloads, because capacity can be easily added or reallocated from the resource pools as needed.
Advanatage of ORACLE SKILL SET
Advanatage of ORACLE SKILL SET
Atomicity:
That is Results of a transaction’s execution are either all committed or all rolled back.
That is Results of a transaction’s execution are either all committed or all rolled back.
Consistency:
The database is transformed from one valid state to another valid state. Illegal transactions aren’t allowed and, if an integrity constraint can’t be satisfied then the transaction is rolled back.
The database is transformed from one valid state to another valid state. Illegal transactions aren’t allowed and, if an integrity constraint can’t be satisfied then the transaction is rolled back.
Isolation:
The results of a transaction are invisible to other transactions until the transaction is complete thus increasing the security on data.
The results of a transaction are invisible to other transactions until the transaction is complete thus increasing the security on data.
Durability:
Once committed (completed), the results of a transaction are permanent and survive future system and media failures and thus ensuring maintenance and protection of data
Once committed (completed), the results of a transaction are permanent and survive future system and media failures and thus ensuring maintenance and protection of data
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