chapter 5  building a solid data model

... actions that define the relationship between each pair of entities, and label the line with the relationship verb This is the initial ER diagram for the logical data model Answer in v04_160 9a_ act42-1.bmp ... cardinality and existence characteristics of each of the relationships defined in Exercise ! Identify cardinality For each relationship on your ER diagram, ask the question “How many of the parent ... v04_160 9a_ act42-1.bmp Activity 4.2: Creating a Logical Data Model Exercise 2: Determining Cardinality and Existence In this exercise, you will use the syntax discussed in the module to identify the cardinality...

Ngày tải lên: 21/12/2013, 06:16

... annotation data from the base data and introduces references from the annotations to the base data, thus allowing to keep multiple layers of annotations on the same base data separate Today XML has ... contain the same base data The base data is extracted and kept in a text file and the annotation layers each in an XML file The PACE-Ling data model substitutes text nodes from the XML data model by ... which are identified by a name and bear a value This data model is immediately suitable for simple text annotations For example in a positional annotation, name-value pairs (features) can be assigned...

Ngày tải lên: 17/03/2014, 04:20

... recommended “as low as reasonably achievable” ALARA dose for radiation hygiene (Patel et al., 2015) To date, histological data, clinical presentation and current imaging techniques are still unable to ... maintain a chronic state that is mostly asymptomatic An acute exacerbation may have serious health consequences A series of reports based on inpatient data in the Nationwide Inpatient Sample ... dental awareness and access to dental care Depending on sampling criteria, longterm observational studies have estimated that approximately 38-61% of the population had at least one periapical...

Ngày tải lên: 09/09/2015, 08:13

... N-acetylglucosamine (GlcNAc) Glucuronic acid (GlcA) Iduronic acid (IdoA) N-acetylgalactosamine (GalNAc) Galactose (Gal) B GlcA GlcNAc Dermatan sulfate Figure 1-1: Schematic representation of GAGs (A) GAGs ... keratan) consists of an amino sugar (N-acetylglucosamine (GlcNAc) or N-acetylgalactosamine (GalNAc), along with a uronic sugar glucuronic acid (GlcA) or iduronic acid (IdoA) or galactose (Gal) ... combinatorial detection of a vast number of odorants (Friedrich and Korsching, 1997; Malnic et al., 1999; Araneda et al., 2000; Katada et al., 2005; Nakagawa et al., 2005; Hallem and Carlson,...

Ngày tải lên: 09/09/2015, 08:13

... Equation 5.3 Population centers that are projected to expand dramatically over the next 40 years (e.g., Atlanta, Georgia; Dallas, Texas; RaleighDurham, North Carolina; and northern Virginia) ... temperature and land cover also impact water availability by modifying how much precipitation is evaporated and transpired back into the atmosphere Finally, ancient aquifers provide a significant ... interannual variation in climate and potential loss of groundwater reserves A doubling of local populations around metropolitan areas will have a limited impact on interannual WASSI variability Even...

Ngày tải lên: 18/06/2014, 16:20

... entity classes, business rules, and middle-tier caching of data to reduce database roundtrips Data access layer Encapsulates database access and provides an interface that is database and data source ... Workflows Database Context Figure 2-2 Default.aspx calls DashboardFacade in the business layer for all operations, which, in turn, uses workflows that work with databases via DatabaseHelper and DatabaseContext ... a class that performs some unit task Activities use the DatabaseHelper and DashboardDataContext classes to work with the database DatabaseHelper is a class used for performing common database...

Ngày tải lên: 15/11/2012, 14:24

... are directly connected The default Gateway is only required on local area networks that are connected to a router Computer IP Address Subnet mask Default Gateway PC – A 192.168.1.1 255.255.255.0 ... the two PCs a Set the IP address information for each PC according to the information in the table b Note that the default gateway IP address is not required, since these computers are directly ... they can be restored at the end of the lab These include IP address, subnet mask, default gateway, and DNS servers If the workstation is a DHCP client, it is not necessary to record this information...

Ngày tải lên: 27/10/2013, 07:15

... are directly connected The default gateway is only required on local area networks that are connected to a router Computer IP Address Subnet mask Default Gateway PC – A 192.168.1.1 255.255.255.0 ... the two PCs a Set the IP address information for each PC according to the information in the table b Note that the default gateway IP address is not required, since these computers are directly ... they can be restored at the end of the lab These include IP address, subnet mask, default gateway, and DNS servers If the workstation is a DHCP client, it is not necessary to record this information...

Ngày tải lên: 27/10/2013, 07:15

... PCs and the hub will be accomplished using a Category or 5e straight-through patch cable Locate two cables that are long enough to reach from each PC to the hub Attach one end to the NIC and ... these computers are directly connected The default gateway is only required on local area networks that are connected to a router Computer IP Address Subnet mask Default Gateway PC – A 192.168.1.1 ... the example below: Step Configure TCP/IP settings for the two PCs a Set the IP address information for each PC according to the information in the table b Note that the default gateway IP address...

Ngày tải lên: 04/11/2013, 16:15

... patch cable Locate two cables that are long enough to reach from each PC to the switch Attach one end to the NIC and the other end to a port on the switch Be sure to examine the cable ends carefully ... are directly connected The default gateway is only required on local area networks that are connected to a router Computer IP Address Subnet mask Default Gateway PC – A 192.168.1.1 255.255.255.0 ... the two PCs a Set the IP address information for each PC according to the information in the table b Note that the default gateway IP address is not required, since these computers are directly...

Ngày tải lên: 05/11/2013, 12:15

Ngày tải lên: 07/11/2013, 09:15

... patch cable Locate two cables that are long enough to reach from each PC to the switch Attach one end to the NIC and the other end to a port on the switch Be sure to examine the cable ends carefully ... are directly connected The default Gateway is only required on local area networks that are connected to a router Computer IP Address Subnet mask Default Gateway PC – A 192.168.1.1 255.255.255.0 ... the two PCs a Set the IP address information for each PC according to the information in the table b Note that the default gateway IP address is not required, since these computers are directly...

Ngày tải lên: 11/12/2013, 14:15

... with an RJ45 Ethernet or Fast Ethernet interface (or an AUI interface) and at least one serial interface • 10Base-T AUI transceiver (DB15 to RJ45) for a router with an AUI Ethernet interface, ... or lab assistant to have the correct IP addresses on their LAN and WAN interfaces Router A will provide the clocking signal as DCE Start this lab with the equipment turned off and with cabling ... serial cables available in the lab Depending on the type of router and/or serial card, the router may have different connectors b Router serial port characteristics 3-7 CCNA 1: Networking Basics...

Ngày tải lên: 11/12/2013, 14:15

... with an RJ-45 Ethernet or Fast Ethernet interface (or an AUI interface) and at least one serial interface • 10BASE-T AUI transceiver (DB-15 to RJ-45) for a router with an AUI Ethernet interface, ... or lab assistant to have the correct IP addresses on their LAN and WAN interfaces Router A will provide the clocking signal as DCE Start this lab with the equipment turned off and with cabling ... instructor or lab assistant to provide the DCE clock signal on the Serial interface The Serial interface on each router should have the proper IP address and subnet mast as indicated in the table below...

Ngày tải lên: 11/12/2013, 14:15

... Enterprise Data Warehouse Logical Data Model Finalize MIS data mart logical data model Define data Implementation Road schedules warehouse map and Paper #132 / Page Data Warehouse and Business ... presentation layer accessed the Data Warehouse, as well as, Data Marts • The Hub component (Extraction Layer) fed data to the ODS, as well as, the Data Warehouse Extraction and Transformation ... architecture all Data Marts were source ed via information stored in the Data Warehouse and ODS as required • The Data Warehouse served as a common source of validated and synchronized information and...

Ngày tải lên: 24/01/2014, 06:20

... Techniques Digital data, digital signal Analog data, digital signal Digital data, analog signal Analog data, analog signal Digital Data, Digital Signal Digital signal Discrete, discontinuous voltage pulses ... digital data Digital data can then be transmitted using NRZ-L Digital data can then be transmitted using code other than NRZ-L Digital data can then be converted to analog signal Analog to digital ... (chapter 8) Types of modulation Amplitude Frequency Phase Analog Modulation Spread Spectrum Analog or digital data Analog signal Spread data over wide bandwidth Makes jamming and interception harder...

Ngày tải lên: 16/02/2014, 08:20

... processing along all five stages of the model The results indicate that evaluating a stimulus as beautiful was asSOCIated WIth mcreased activation in the orbital frontal cortex Activation in the orbital ... neural correlates of preference and beauty, two variables that have affective and cognitive components The areas activated by Vartanian and Goel (2004b) may have highlighted those cOrlical structures ... contrast, the studies by Kawabata and Zeki (2004) and Skov ef al (2005) attempted to isolate those cortical structures that are actIvated more when a stimulus is evaluated as beautiful Presumably,...

Ngày tải lên: 19/02/2014, 17:20

... the main int dollar, quarterR, dimeR, nickelR, pennyR, remainder; Variables that are used in the main are declared There are six variables of type integer These variable names (identifiers) stand ... dollars % 10 calculate dime rolls and remainder dime_rolls = remainder / remainder = remainder % calculate nickel rolls and remainder nickel_rolls = remainder / remainder = remainder % calculate ... problem What are the known information about this programming assignemnt? There are ten dollars in a quarter roll There are five dollars in a dime roll There are two dollars in a nickel roll And there...

Ngày tải lên: 20/02/2014, 08:20

... (i.e span) of basedata elements (Figure 2) Normally, however, a markable is also associated with arbitrarily many user-defined attribute-value pairs (Figure 3, Figure 4) Markables can also be ... with a capital letter Markables are the carriers of the actual annotation information They can be queried by means of string matching and by means of attribute-value combinations A markable query ... can have any string value, while nominal attributes can have one of a (user-defined) closed set of possible values The data model also supports associative relations between markables: Markable...

Ngày tải lên: 08/03/2014, 04:22