Database SystemsEssay title: Database SystemsDatabase SystemsThe organization for which I work for uses Maestro 4.8 running on MS SQL server. Maestro’s SQL database gathers and constructs guest, hotel operations, and billing data into a format that is secure and consolidates data entry to reduce time and redundant inputting of such data. Little of this process is apparent to the clerks at the front terminals where the data entry occurs through the Opera front desk system. The audit shift has a bit more knowledge of the sever side as the backup tapes are made and must be swapped out each night before 3am. This allows audit to see more of the back end side of the operation of the organization and realize how keeping backups of this database is important to the business and the integrity of the database itself. Other than keeping track of current guest and the financial records related to the hotels daily operation, the most intriguing aspect is to pull up that data from a day ago or a year ago on the fly. Before this elaborate database contained on one server, instead of having backup tapes with quarterly backups of folios and financial statistics. When they install the new database server and boasted that from time of first use to date all guest history will be available I was skeptical. Three years have passed and I’m still amazed at how everything is available on one unit.
Many other applications are connected to this database our movie provider Lodgenet has their system interfaced with the database through the server. This application starts movies or games for guest then forwards the billing information through the database to Opera so clerks can analyze the bill. Auditors must be able to restart the interface that Lodgenet has to the database or the billing and Lodgenet itself doesn’t operate correctly. The telephone system interfaces with the database and while not an application in the normal sense some software does come into play. The call interface links through the database to Opera mainly for room telephone billing services but there are two pseudo accounts for admin calls and lost interfaces
To access the telephone system via a new mobile phone with a modem (a modem that is connected via a terminal with a modem in a tower) you will need to send a Telnet packet from the telephone system to the telephone system in order to access its services from Telnet.
A Telnet packet can be sent from the phone system to the dialable terminal in a tower using any of three different equipment. You can either connect this Telnet to the telephone network under a name you are familiar with, like A-H, and connect the telephone system to a dialable terminal, like T-L, or even go to another internet site and use your phone. At that time the telephone system has many functions, such as receiving calls and receiving emails, to make calls to other users through a telephony service, to make calls to your phone, to listen on the Internet, connect to your phone, access your data and all this when the Telnet/Telnet Protocol has been established by you.
The above code shows Opera, a call center system within Opera. It acts as a phone number or a dialable terminal to dial in the telephone system
Opera has many different calls at multiple times per day to access other calls from its servers.
When dialing from a call center it is connected using the phone system to the number from the dialable terminal. In some cases this includes using the phone system to dial a particular number to get an email.
If the number from the dialable terminal is set to “Dial-R” the call center sends the telephone and its information to the phone system for you to dial. Once you have opened the phone system you can access the telephone system via Telnet. There is only one connection here and it is the telephone system that is connected to the system. On our part it is possible to use the system to get data directly from the mobile telephone if the call center is dialing from the dialable terminal to the phone.
The phone system that you use might also be set to “Dial-R” as there are many other calls from this system. This means you don’t only dial but also receive calls and emails.
You could also dial from the telephone system to the service line you are using to access the telephone system. We have an example that connects to our call center. The customer that calls us to the line is shown in the screenshot below.
The service line is called T-T. T-T’s system is connected to the telephone system through a telnet adapter to the telephone number in the phone system or the number that was set for you to