How do you construct the SELECT query?
What will be an ideal response?
In SQL, you use the SELECT command to query a database. The basic form of the SQL SELECT command is SELECT-FROM-WHERE. After you type the word SELECT, you list the columns that you want to include in the query results. This portion of the command is called the SELECT clause. Next, you type the word FROM followed by the name of the table that contains the data you need to query.This portion of the command is called the FROM clause. Finally, after the word WHERE, you list any conditions (restrictions) that apply to the data you want to retrieve.This optional portion of the command is called the WHERE clause.
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The Circle Painter application should draw a blue circle with a randomly chosen size when the user presses a mouse button anywhere over the JPanel (Fig. 21.32). The application should randomly select a circle diameter in the range from 5 to 199, inclusive. To draw a blue circle with a given diameter (diameter), use the fol- lowing statement:
The drawOval method draws the outline of an oval. Recall that an oval is a circle if the height and width arguments are the same (in this case, the randomly selected width and height). Use the x- and y-coordinates of the mousePressed event as the x- and y-coordi- nates of the circle’s bounding box (that is, the first and second arguments to the drawOval method).
a) Copying the template to your working directory. Copy the C:Examples Tutorial21ExercisesCirclePainter directory to your C:SimplyJava direc- tory.
b) Opening the template file. Open the DrawJPanel.java file in your text editor.
c) Coding the drawJPanelMousePressed method. Find the drawJPanelMousePressed method, which starts at line 58. Add code to the drawJPanelMousePressed method to store the x- coordinate in instance variable x (declared for you in the template) and store the y- coordinate in instance variable y (declared for you in the template), Then, store a random int in the range 5 to 199 into the inst
Candelas per square meter are used in measuring an LCD monitor's _______
Fill in the blank(s) with correct word
The keyword that specifies the table (or tables) that will be searched.
What will be an ideal response?
Which ADT would be best use to model the customers at a bakery who take numbers to mark their turn?
a. queue b. stack c. list d. bag