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Joining Tables in Microsoft Access Queries
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Joining Tables in Microsoft Access Queries

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Questions and Answers

What is the purpose of joining tables in a query?

  • To create new tables in the database
  • To sort the data in a specific order
  • To combine data from multiple tables into a single result set (correct)
  • To filter the data in each table individually
  • Which type of join returns only the rows that have matching values in both tables?

  • Left outer join
  • Inner join (correct)
  • Right outer join
  • Full outer join
  • What happens if you do not join the tables in a query?

  • The query will return only the unique values from each table
  • The query will match each record of one table to every record in another table, resulting in spurious rows (correct)
  • The query will not run and return an error
  • The query will return the data in a specific order
  • Which type of join returns all rows from the left table, and the matching rows from the right table?

    <p>Left outer join</p> Signup and view all the answers

    What is the purpose of the Relationship window in Access?

    <p>To define the relationships between tables</p> Signup and view all the answers

    Which of the following is a valid reason for joining tables in a query?

    <p>To retrieve products ordered by each customer</p> Signup and view all the answers

    What is the purpose of the CTRL key when selecting tables in the Show Table window?

    <p>To select multiple tables simultaneously</p> Signup and view all the answers

    What type of relationship is demonstrated between the two tables in the example?

    <p>1:∞</p> Signup and view all the answers

    What is the purpose of clicking the Totals button in the Design tab?

    <p>To enable the display of subtotals and grand totals in the query output</p> Signup and view all the answers

    What is the purpose of dragging fields to the Columns tab in the Query window?

    <p>To select the columns that will be included in the query output</p> Signup and view all the answers

    What is the purpose of setting the Group By function on the Category and Item Number columns?

    <p>To group the query output by those columns</p> Signup and view all the answers

    What does the Count function applied to the Sales Order Number column indicate?

    <p>It will display the count of total Sales Orders for each group</p> Signup and view all the answers

    Which of the following steps is NOT necessary when creating a query to display invoices with their payment details?

    <p>Create a new table by combining data from the Invoice and Payments tables.</p> Signup and view all the answers

    What is the purpose of joining tables in a query?

    <p>To combine data from multiple tables based on a common field.</p> Signup and view all the answers

    Which of the following steps is correct when joining the Sales Order, Invoice, and Payments tables to display all sales orders with their invoices and payment details?

    <p>Join the Sales Order and Invoice tables on the Sales Order Number field, then join the Invoice and Payments tables on the Invoice Number field.</p> Signup and view all the answers

    What is the purpose of the Save button in the query design window?

    <p>To save the query design for later use or modification.</p> Signup and view all the answers

    Which of the following statements is true about selecting columns in a query?

    <p>You can select columns from multiple joined tables.</p> Signup and view all the answers

    What is the purpose of the Run icon in the query design window?

    <p>To execute the query and view the results.</p> Signup and view all the answers

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