The ObjectContext class is part of the core EF API in the Microsoft .NET Framework 4 and is the class that allows you to perform queries, change tracking and update the database using the strongly typed classes that represent your model. The DbContext class is best described as a wrapper ...
From the scenarios described earlier you can see that various messages can be identified as poison messages in many circumstances. Some of these messages may indeed be garbage that is best thrown away, yet the only definitive way to make that decision is by having a ...
BULK INSERTis a Transact-SQL command that you can run from SQL Server Management Studio. The following example loads the data from theData.csvcomma-delimited file into an existing database table. As described previously in thePrerequisitessection, you have to export your Excel da...
The Ocean General Circulation Model (OGCM) for the Earth Simulator (OFES) is considered in this study as the true state of the ocean. The simulation data is described in [27,28]. The coverage of the model is 75∘75∘S–75∘75∘N with a horizontal resolution of 1/10∘1/10...
unless required for sensitive human datasets requiring controlled access and Data Usage Agreements. Note that basic login functionalities, where data are captured for analytics purposes only, are accepted for non-sensitive datasets as long as immediate access is granted to the holder of the email addr...
As with any IT project, the best way to start an ETL project is to understand the general requirements of the BI solution you want to build and then work your way back to the data to determine how best to support those requirements. The first article in the series set the stage for th...
B) It is driven entirely by US restrictions on China. C) It faces constraints given the interconnected infrastructure. D) It will make regulations easier to coordinate globally. 4. The author’s viewpoint of regulatory approaches for undersea cables could best be described as: A) Favoring the...
In this section I’ll demonstrate how to inspect your dataset and its properties. Because the upcoming visualization and modeling techniques expect the data to be in a rectangular shape, I’ll assume that the data is in CSV format. You can use the techniques described inChapter 5to convert ...
One of the first things you typically do with a Data View is add and remove columns. When you change the columns in a Data View, you’re adding, removing, or arranging the fields as they appear in the Data View. You use the Edit Columns dialog box to add, re...
As previously described, within Azure Data Factory, it is possible to only debug up to a certain point or an activity. To do so, you can use a breakpoint on the activity up to where you want to test, and then selectDebug. ADebug Untiloption appears as an empty red c...