SELECT statement that answers this question: What is the total quantity purchased
for each product within each category? Return these columns:

category_name-The category_name column from the category table

name_of_product-The product_name column from the products table

quantity_purchased-The total quantity purchased for each product with orders in the Order_Items table

Use the WITH ROLLUP operator to include rows that givea summary for each category name as well as a row that gives the grand total. Use the IF and GROUPING functions to replace null values in the category_name and product_name columns with literal values if they're for summary rows.

Formatting rows and columns is similar to cell formatting. in an openoffice calc spreadsheet, you can format data entered into rows and columns with the of the rows and columns options. you can insert rows and columns into, or delete rows and columns from, a spreadsheet. use the insert or delete rows and columns option on the insert tab. alternatively, select the row or column where you want new rows or columns to appear, right-click, and select insert only row or only column options. you can hide or show rows and columns in a spreadsheet. use the hide or show option on the format tab. for example, to hide a row, first select the row, then choose the insert tab, then select the row option, and then select hide. alternatively, you can select the row or columns, right-click, and select the hide or show option. you can adjust the height of rows and width of columns. select row and then select the height option on the format tab. similarly, select column, then select the width option on the format tab. alternatively, you can hold the mouse on the row and column divider, and drag the double arrow to the position. you can also use the autofit option on the table tab to resize rows and columns.

Self contained sequences of actions to be performed are? a. expressions b. algorithms c. functions d. formulas

What are the different components of the cloud architecture?