List three R commands and explain what each command does.

Task 7: Create a view named MONTHLY_RENTS. It consists of three columns: the first is the number of bedrooms, the second is the average square feet, and the third is the average monthly rent for all properties in the PROPERTY table that have that number of bedrooms. Use BEDROOMS, AVG_SQUARE_FEET, and AVG_MONTHLY_RENT as the column names. Group and order the rows by number of bedrooms. Task 8: Write and execute the command to retrieve the average square footage and average monthly rent for each property for which the average monthly rent is greater than 1,400ドル.

Which view is used to filter and look at the data in a table, without changing the structure of the file? O Report Data Dashboard O Model

In a LINQ statement, which clause is used to arrange the selected records in a particular order?a. Orderb. Order Byc. Sortd. Where

Write and execute the command to retrieve the item ID, description, invoice number, and quoted price for all invoices in the ITEM_INVOICE VIEW for items with a quoted prices that exceed 100ドル. I have been trying this solution and it is incorrect: SELECT i.item_id, i.description, l.invoice_num, l.quoted_priceFROM item iINNER JOIN invoice_line l ON i.item_id = l.item_idWHERE i.item_id IN ( SELECT item_id FROM item_invoice WHERE quoted_price > 100);

When should the VALUES clause be omitted from the INSERT INTO command?

which DML keyword is used to make change to existing records in a table? a) Insert b) Select c) Update d) Delete

On the Sales Data worksheet, calculate the commission rate and commission paid for each sales associate. Beginning in cell F4, enter a formula using the IFS function to calculate the commission rate based on the following table. Hint: Do not include comma separators in numerical values in formulas. Excel interprets commas as function argument separators.

Refer to the sample tables and sample data below. Then answer questions (a), (b), (c), and (d). Tables: adult (id(pk), name, spouse_id (fk)) -- foreign key (spouse_id) references adult(id) child (id(pk), name) parent_child (parent (pk, fk), child (pk, fk)) -- foreign key (parent) references adult(id) -- foreign key (child) references child(id) mysql> SELECT * FROM adult; id | name 1 Homer Simpson 2 | Marge Simpson 3 Fred Flintstone 4 Wilma Flintstone | mysql> SELECT * FROM child; |id|name 11 Bart 12 Lisa 13 Maggie 14 Pebbles 1 2 | spouse_id mysql> SELECT * FROM parent_child; parent | child | 2 1 2 3 | 41 11 | 11 12 12 13 13 14 14 1 4 How many times will the names Bart and Homer Simpson appear in the result set from the following command? SELECT c.name, a.name FROM child c JOIN parent_child pc ON c.id = pc.child JOIN adult a ON a.id = pc.parent; (a) Bart appears [Select] (b) Homer Simpson appears [Select] times. ✓times.

Document the steps required to complete the "ADD E" command in RTN.

Which control contains buttons for adding, deleting, and saving records?

Which clause is used to change a column in a table? a. SET b. MODIFY c. ALTER d. UPDATE

Use the "uniq -c" command to sort and summarize the total occurrences of sudo access by month and user. Submit - Screen shot of your syntax and output showing total occurrences by month and user of sudo access, for example: 112 Apr msmith 101 Mar admin What command should we use??