base Database Design Paper DBM 380 A database system arrange information in a computer, enforced by a set of computer programs. An organization of this kind should offer simplicity an easy way to access connect, display and collect information. A database management system allows users the capability to enter data within the database by the use software. This software is designed to manipulate, define, retrieve and manage data in the
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developing a database system? Selected Answer: All of these are sources for user requirements. • Question 4 2 out of 2 points Microsoft Access 2013 is only used to prototype databases where Microsoft Access itself will be the final DBMS. Selected Answer: False • Question 5 2 out of 2 points Given only the following excerpt of an E-R model: Which of the following is known to be true? Selected Answer: A single instance of ENTITY B may be related to many
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➢ Operating Systems : Windows XP/VISTA/7/Linux ➢ Multimedia : Photoshop7.0, Corel Video Studio X3 ➢ Languages : C, C++, Java, ➢ Database Languages : MS Access, SQL Server 2005 AREA OF INTERESTS ➢ DBMS ➢ HOBBIES ➢ Reading Books ➢ Listening Music CO CURRICULAR ACTIVITIES ➢
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and not on the basis of: 1. A given percentage or peso increase or decrease from a prior year's budhet level; 2. A given percentage of the aggregate budget level; or 3. A similar rule of thumb that is not based on specific justification. The DBM summarizes the proposals and submits an analysis and recommendation to the President of the Philippines before finalization and submission to Congress. 2. Legislative Authorization It is the second phase of the budget process relative to the
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of a relational table uniquely identifies each record in the table. It can either be a normal attribute that is guaranteed to be unique (such as Social Security Number in a table with no more than one record per person) or it can be generated by the DBMS (such as a globally unique identifier, or GUID, in Microsoft SQL Server). Primary keys may consist of a single attribute or multiple attributes in combination. 6. What is a foreign key? A foreign key is a field in a relational table that matches the
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files, etc.) to use for name resolution, authentication, etc.? The /etc/ncsd.conf configuration file is used to tell Linux which system to use for name resolution, authentication, etc. 3. The file format for an NIS database file is called a dbm. 4. Which Linux file generates two maps in NIS? The /etc/passwd file generates two maps: one indexed by username, the other indexed by UID. These maps are named passwd.byname and passwd.byuid. 5. What utility is used to display raw information
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Assignment -1 1. List four significant differences between a file-processing system and a DBMS. * A database management system coordinates both the physical and the logical access to the data, whereas a file-processing system coordinates only the physical access. * A database management system reduces the amount of data duplication by ensuring that a physical piece of data is available to all programs authorized to have access to it, whereas data written by one program in a file-processing
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spent on entering data as opposed to having two separate data tables. Discussion Topic 1: Are there ethical issues to consider when planning a database? For example, should sensitive personal data (such as medical information) be stored in the same DBMS that manages employee salary and benefits data? Why or why not? The main ethical issues of handling sensitive data would be privacy. Medical information should only be visible to doctors or health insurance providers. While employee salary and benefits
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Database Design Donavan Mitchell Database Concepts DBM/380 ALINE VOGT Database systems are structured collections of data stored in a computer system. A database must not only store large amounts of records, they also must be easy to accessed. New changes and information should be easy to input as well. Stored data that can be easily defined, like availability of equipment, cars, etc. Data that is organized to model relevant aspects of reality in a way that supports processes requiring
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CH-1 | Default CH 87B ( 161.975 MHZ ) | CH-2 | Default CH 88B ( 162.025 MHZ ) | Number of DSC Receiver | 1 ( CH 70) | RX DSC | 156.525 MHZ | Max. Usable Sensitivity | PER less 20% at -107dBm | VHF TRANSMITTER Power Output | 2 Watt ( 33 dBm ±1.5dB ) | Modulation | GMSK / FM | Data Rate | 9.6K dps / per channel | Modulation Spectrum | IEC 62287 | DSC RECEIVER Modulation | 1300 HZ / 2100 Hz FSK | Data Rate | 1200 bps ± 30 ppm | Spurious Response Rejection | Over 70dB for
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