Tap or click the ____ button in the Insert File dialog box to attach a document to the contact.

Create a program script that uses a PL/SQL anonymous block to perform the following:

Use a host variable AREA to store the result. Declare a local variable RADIUS with numeric data type. Declare a constant PI with value 3.14. Assign a value to the variable RADIUS by using a substitution variable. Calculate area of a circle by using formula Then print result in SQL*Plus.

In a user needs assessment project, ____________________ feasibility deals with limitations such as whether products are actually available on the market or can be constructed that will solve the user's problem.

Fill in the blank(s) with the appropriate word(s).