Czarina Agravante 912036055

What are some examples of functions that help you obtain file and directory information?

Some examples of functions that help you obtain file and directory information are:

file_exists(filename) – determines […]

Describe the differences between ALTER and INSERT and provide an EXAMPLE.

The difference between ALTER and INSERT is ALTER modifies, deletes, and/or adds data to the existing tables in the database while INSERT […]

Describe a situation where you’d need to use a join to retrieve information from a set of tables. For example, if you have orders in one table and customers in another table, you’d need to join those tables to […]

When would you use the $_SERVER['SCRIPT_NAME'] autoglobal?

The $_SERVER["SCRIPT_NAME"] autoglobal is used to display the path and name of the current script. We would use this autoglobal to include the full […]

Why would you want to combine strings?

We combine strings with concatenation operators or concatenation assignment operators allowing us to execute multiple strings in one variable. We also combine strings to […]

What SQL command is used to retrieve unique values?
The SQL select command is used to retrieve unique values. The command allows you to ger data from a database using the distinct method. This method tells the […]

How do you resolve the M:N (many to many) relationship?

To resolve the many-to-many relationship, you must break down the relationship further. The relationships must be as simple as possible so they are […]

What happens if we don’t normalize the data?

To normalize data is to organize data to minimize redundancy. It is important to normalize data because the databases take up less space and there is a lower chance […]

What data types are primitive? What about reference data types?

Data types that are primitive are those that can be assigned only a single value. There are five primitive data types that PHP supports: integer […]

Czarina Agravante, Kelsey Zenuk, Biyun Lu

1. user’s network
2. user’s likes
3. user’s interest
4.user’s activities
5. user’s occupation/employment status
6. user’s groups
7. user’s apps
8.user’s visited […]

Where is the link to purchase the case study ?

An entity is usually nouns used in descriptions of the system. For example an entity could be an order form. A relationship are verbs used in descriptions of the system. Relationships determine how entities are […]