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Question
Which one of the following is(are) the core retrieval operation(s) for relational databases?a) Selection
b) Projection
c) Joining
d) All of the above
Answer
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Related questions
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Draw the appropriate server control that will allow you to display the customer data and describe the steps needed for proper configuration.
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The most appropriate server control that will allow the user to indicate the presence (yes) or absence (no) of a certain property is called a(n) __.
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The first step in configuring the GridView control is to __.
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The details of the data connection can be saved in a file called __.
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The server control used to access a Microsoft SQL Server database qtax is _.
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Which of the following steps in the configuration process of a SqlDataSource server control designates a particular SQL Server database to connect to?
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Which one of the following is a typical Web Form control and an associated event?
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When the Web Form is sent back to the Web server, which of the following occurs?
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Jerry, the owner of Exotic Flower's Inc., built a small greenhouse to store several types of exotic flowers that he purchases from wholesale suppliers around the world. Each exotic flower Jerry buys and resells falls into one of several flower groups that differ with respect to their storage needs, duration, time in bloom, price, etc. Each of the orders placed by customers specifies the type of exotic flower, the supplier it came from, the date of order, expected delivery date, flower condition on delivery, as well as the quantity ordered. Customer's data contain all the standard information needed to collect payment and deliver the flowers.For questions 86-89, please refer to the preceding paragraph.Draw the appropriate server control and describe the steps of creating the new connection and selecting the appropriate server provider, assuming flower database is available on SQL Server.
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ASP Web page is constructed using which of the following?
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GridView server control requires the number of columns and rows to be specified in advance in order to provide the appropriate space.
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GridView server control is used to display data in the form of a table.
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The advantages of saving connection to Web.config file include easier deployment and portability.
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Storing connection strings simplifies database maintenance.
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All types of data sources require some form of user authentication.
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An ASP.NET Web Form is divided into the user interface and programming logic components.
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When a button is clicked or list selection made, an event is raised and the information is just displayed in the user's browser.
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Web Form sent back to the Web server contains both user supplied and other relevant information associated with the ASP Web page.
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ASP.NET server controls include dynamic versions of typical HTML tags.
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In SQL Query Analyzer, the statement used to retrieve all of the client's contacts and emails would be __.
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In SQL Query Analyzer, the statement used to display employee names together with job dates and times, for all jobs starting on either 3/12/06 or at 8 A.M., would be which of the following?
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In SQL Query Analyzer, which of the following statements would result in contacts, emails, and zip codes for the clients whose emails end in "net", and who live in 03264 zip code?
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b) Select contact, email, zipcode From client Where email Like "*net" Or zipcode = "03264"
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In SQL Query Analyzer, which of the following statements would result in contacts and emails only for the clients in 603 area code?
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c) Select contact, email From client Where phone Like "603*"
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In SQL Query Analyzer, the bottom pane shows the query results.
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Design the query that calculates the order totals for each of the customers, sorted descending by the totals. Include the customer names, order dates, as well any other information you deem necessary.
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Create the query that calculates the "Average Time to Delivery" from lowest to highest, grouped by supplier, and only for the flowers delivered in good condition.