The design pattern, is used to establish a dynamic variation of an algorithm.

A$)$ Facade

B$)$ Adapter

C$)$ Decorator

D$)$ Strategy

$13-15$: MS$.$ Choose $3$ benefits of code review and documentation. $($Mark a dark, clear $\text{'}x\text{'}$ for choices$)$ conformance checking

enhance security

Date of creation

longer time for completion

improve quality of code

discover bugs earlier

C$.16.$ The JavaDoc is a software tool used to

A$)$ generate standard structures for a class file

B$)$ generate standard structures for an interface class file

C$)$ generate standard documentation in HTML format

D$)$ generate UML diagrams for documentation purposes

$17-19$: MS$.$ Choose $3$ standard 'data definition language' SQL commands. $($Mark a dark, clear $\text{'}x\text{'}$ for choices$)$ SELECT

$$ DROP

UPDATE

$$ ALTER

DELETE

$$ CREATE

C $20.$ The 'SELECT' in an SQL statement identifies

A$)$ what table in the database to be returned in a query

B$)$ what rows in the table to be returned in a query

C$)$ what columns in the table to be returned in a query

D$)$ what views in the database to be returned in a query

The 'FROM' in an SQL statement identifies

A$)$ what table in the database to be returned in a query

B$)$ what rows in the table to be returned in a query

C$)$ what columns in the table to be returned in a query

D$)$ what views in the database to be returned in a query

The 'WHERE' in an SQL statement

A$)$ hides unique records in the table to be returned in a query

$B)$ restricts rows in the data returned in a query

C$)$ disables pattern matching in the data returned in a query

D$)$ disables the NULL values in the data returned in a query

The 'INNER JOIN' with ON clause in an SQL statement

A$)$ performs an intersection of two tables based on a match of two fields from the tables

B$)$ performs a union of two tables based on a match of two fields from the tables

C$)$ performs a mutual exclusion of two tables based on a match of two fields from the tables

D$)$ performs a deletion of data in two tables based on a match of two fields from the tables