Answer:
A. Define boundaries
C. Deny access
D. Delay access
Explanation:
A barrier is a material or structure used to prevent or block access. Barriers can either be natural or structural and are used for many purposes usually for security reasons. The following are functions of barriers either natural or structural:
- Define areas of boundaries
- Delay or slow access. Example is the use of speed bumps to slow down vehicles.
- Provide access to entrances such as the use of gates
- Deny access to unauthorized personnel and allowing authorized personnel.
<span>If a user name can have seven letters (with no distinction between upper and lower case), and if a letter can be repeated, then the maximum number of names is 26x26x26x26x26x26x26, or 8,031,810,176. That is, slightly more than eight billion names are possible.</span>
Answer:
Answer is - cell, - column, - string value
Explanation:
- <em>Cell - this is often referred to as the intersection of a single row and column. </em>
- <em>Column - this is a group of cells which are represented vertically. </em>
- <em>String - these are values that are inside the cell which are represented through texts or group of letters including acceptable symbols and characters.</em>
<span>MySQL is an open-source relational database management system (RDBMS)</span>
When MySQL automatically converts one data type to another, is known as an implicit conversion. Implicit conversion refers to the mixing and matching data types within the same operation. Example for implicit conversion is when MySQL automatically converts numbers to strings and vice versa.
Answer:
c to help build the internets infrastrucuter
Explanation:
