exploring the northwind database

... Note The value for the primary key in each row of a table must be unique. In the case of the Customers table, the primary key is the CustomerID column. The key icon shown to the left of the CustomerID ... table. The Suppliers table contains the suppliers of products to the Northwind Company. Table 2.7 shows the definition for the columns of the Products table. Table 2.7: DEFINITION FOR THE COLUMNS ... from the Products table The primary key for the Products table is the ProductID column. The CategoryID column of the Products table is a foreign key that references the CategoryID column of the...

Ngày tải lên: 14/12/2013, 13:15

... independent lists of overall themes and concepts subsumed within the general themes. Once completed, the investigators came together to collapse their lists of themes into one set of themes as reached via ... relationship between the providers, and that the nature of the referral (e.g., amount and type of information accompanying the referral) may depend on the nature of the condition, whether the refer- ral ... return the patient to the primary medical practitioner rather than referring them elsewhere, although this also may depend on the nature of the con- dition and the relationship between the specialty...

Ngày tải lên: 25/10/2012, 10:06

... passes through the directory data. The first will verify integrity of your ASN database, the second will compact the ASN database, and the third will verify aliases and check the referential ... MMS Server, and then click Restart. The MMS Server is restarted which also results in the icon in the system tray. c. In the system tray, right-click the MMS Server icon, and then click Options. ... run the MMS compaction utility to compress the database and ensure the integrity of your data. After the process is complete, you will confirm that the compaction was successful by viewing the...

Ngày tải lên: 19/10/2013, 02:15

... fires. 3. The Command is run to push the change to the database. 4. Any output parameters from the Command are returned. 5. The RowUpdated event of your DataAdapter fires. 6. The AcceptChanges() ... automatically committed in the DataRow. However, if you start the change to the DataRow using the BeginEdit() method, then the change is committed only when you call the EndEdit() method of that ... or deleted in the database as a result of calling the Update() method. The FillError Event The FillError event fires when you call the Fill() method and an error occurred. The following...

Ngày tải lên: 14/12/2013, 13:15

Ngày tải lên: 20/12/2013, 18:25

... and then define the hierarchy containing two levels—year and month. At the end of the wizard, clear the Share this dimension with other cubes check box. After the dimension appears in the ... about the database that you use to build the Sales cube. In addition, you will learn about the dimensions and measures of the cube. Module 18: Case Study—Working with the Foodmart Database ... levels that they will create. Next, introduce the measures to include in the cube. Finally, define the calculated members to create. ! Building the Sales Cube Introduce the schema of the Sales...

Ngày tải lên: 24/01/2014, 19:20

... to that of the sun.) The theory that describes these fundamental interactions, namely QCD, together with the unified theory of electromagnetism and the weak interactions, is called the Standard ... advance the frontiers of the science. Of course it is the importance of the physics and of the potential discoveries enabled by the new capability that must justify the new investment. There ... research, dedicated to the furtherance of science and technology and to their use for the general welfare. Upon the authority of the charter granted to it by the Congress in 1863, the Academy has a...

Ngày tải lên: 12/02/2014, 16:20

... as the circular structure in the lower half of the dewar. The rest of the internal components are structures for cooling the bar to 4.2 K, for bringing out the signal from the transducer on the ... of the theory of gravitational collapse. Limits on the gravitational waves from the big bang would constrain the physics of the fundamental interactions at the ultrahigh energies realized in the ... construction. • The first direct observation of black holes by the characteristic gravita- tional radiation they emit in the last stages of their formation. • The use of gravitational waves to probe the...

Ngày tải lên: 12/02/2014, 16:20

... Stories About Their Lives and their Health The projects demonstrate the value and strength of participatory action research. The voices of the women in the reports provide real evidence of the challenges ... supported by the PWHCE and is a synthesis of the policy recommendations arising from the research. These are combined with the results and recommendations from two other papers written at the same ... to provide the epidemiological data policy makers demand. 4. The importance of women’s stories of their lives and their health. Notwithstanding the above, the voices of the women in the reports...

Ngày tải lên: 13/02/2014, 00:20

... 2000 the Standing Rock Sioux Tribe sued the Corps. The suit related to concerns about the impacts of the fluctuating levels of Lake Oahe on burial sites along the shoreline. The Corps and the ... research, dedicated to the furtherance of science and technology and to their use for the general welfare. Upon the authority of the charter granted to it by the Congress in 1863, the Acad- emy has ... during the twentieth century. The most obvious of these changes was the inundation of extensive stretches of these rivers behind dams. The twentieth century saw the Corps of Engineers and the Bureau...

Ngày tải lên: 17/02/2014, 19:20

Ngày tải lên: 18/02/2014, 11:20

... disparity in the magnitude of the epidemic, and probably reflects the requirement for different responses to the epidemic, thus giving evidence to the complexity of the epidemic. These complexities ... the top of the list, while heterosexual women were always at the bottom of the list. This led to an underestimation of the HIV epidemic in the heterosexual population. Gollub argues that the ... more affected by the epidemic than their male counterparts. The impact is large whether they are part of the majority population in low- and middle-income countries or part of the minority population...

Ngày tải lên: 18/02/2014, 23:20

... On the far left side of the frame, which is the narrowest, the exposure time is the shortest and the bar is sharpest and has the least amount of motion blur. As we move across the frame to the ... direction. Each frame, then, has a minimum width (along the spatial axis) representing the amount of space captured in the frame, due to the field of view of the lens and the width of the frame itself, and ... which the field of view, the amount of space represented in the shot, narrows over time. Up to now, the angle of the sides of the frames has been used to indicate camera movement along the spatial...

Ngày tải lên: 19/02/2014, 10:20

... " ;the transaction " Using the Python Database API with Red Hat Database 4 Using the Python Database API with Red Hat Database Red Hat a row, and then disconnecting: • Connect to the database ... the database def initialize (): # Connect to the basketball database. Use the dsn as the connection # parameter. The Python DB-API details the other valid connection # parameters. Notify the ... select from the Players table cursor = db.cursor () Using the Python Database API with Red Hat Database 18 Using the Python Database API with Red Hat Database Red Hat Using the Python Database...

Ngày tải lên: 19/02/2014, 12:20

... (2006-11-23) The Neo Database This document is an introduction to the Neo database, a next-generation database which we believe addresses some of the shortcomings of the data management systems on the ... put the problems of schema evolution at the top of the agenda in this decade. Both the impedance mismatch and the schema evolution problem stem from the relational database& apos;s origin in the ... look at the social network example, you'll see that there's more information in the relationships between nodes than in the nodes themselves. The value of a network is in the connections...

Ngày tải lên: 19/02/2014, 12:20

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Ngày tải lên: 21/02/2014, 16:20

Ngày tải lên: 22/02/2014, 03:20

Ngày tải lên: 22/02/2014, 04:20