<span>Unlike
most database objects, when you invoke a user-defined function, you
must always preface the name of the function with the schema name.
</span><span>A schema is a collection of database objects in SQL (collection of tables) associated with one particular database
username (called the schema name).
</span>
Answer:
Sara would be the better employee. She was straightforward with her boss and admitted to her mistake.
Answer:A formula is an expression which calculates the value of a cell. Functions are predefined formulas and are already available in Excel.
For example, cell A3 below contains a formula which adds the value of cell A2 to the value of cell A1.
Explanation: