Mike is a database administrator who has recently joined an online car rental company who captured and stored data in Microsoft Excel spreadsheets. He is tasked with creating a database and migrating all the data into a relational database management system. Mike wants to implement an Oracle database, but is unsure of the Oracle 11 g edition to use. Explain to Mike the various program categories that will enable him to operate a database in Oracle. Discuss at least three of these program categories.    Differentiate between Sequences and Synonyms and how they can be used to ensure better data management.

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Transaction Processing

Transaction processing is a computational style generally performed by server computers, which supports interactive applications (apps). Transaction processing is also known as information processing, which divides the work into indivisible and individual operations called transactions. The transaction is a set of tasks; a single task is considered as the minimum processing unit that cannot be divided again.