Answer:
Command Operations
Explanation:
Space Operation specialist requires special training for aircraft and its operations along with satellite controls. Initially when a graduate joins the training he is required to understand command operations of aircraft. He can then use his skills to learn command operation of spacecraft and then will be promoted to learn satellite controls.
by light entering the camera lens
Answer:
1. Multistage database.
2. Stationary database.
3. Virtual database.
4. Distributed database.
Explanation:
A database management system (DBMS) can be defined as a collection of software applications that typically enables computer users to create, store, modify, retrieve and manage data or informations in a database. Generally, it allows computer users to efficiently retrieve and manage their data with an appropriate level of security.
There are four (4) major types of database in a data warehouse and these are;
1. <u>Multistage database</u>: used for concise as well as detailed historical data. It provides summarized data which can be used by an employee for short-term decision making.
2. <u>Stationary database</u>: used where access to data is rare i.e business firms who do not access data frequently. In order to use this database, the users must have an access to metadata store and thus, directly having access to the data on a source system.
3. <u>Virtual database</u>: used for accessing data in diverse applications using middleware. This type of database is dependent on having access to information on various databases.
4. <u>Distributed database</u>: used by an organization that runs several businesses. Therefore, this type of database are usually located or situated in various geographical regions.
Answer:
There is logic problem in condition of elseif statement that is (time<20).
Explanation:
elseif(time<20) will be true for time<10 that means program will never greet good morning as to make logic correct either change condition from <em>elseif(time<20)</em> to <em>elseif(time<20&& time>=10)</em>. Or change the order of condition like check first for <em>elseif(time<10) </em>
solution 1
if (time < 6) { greeting = "It is too early!"; }
else if (time < 20 && time>=10) { greeting = "Good Day!"; }
else if (time < 10) { greeting = "Good Morning!"; }
else { greeting = "Good Evening!"; }
console.log(greeting);
solution 2
if (time < 6) { greeting = "It is too early!"; }
else if (time < 10) { greeting = "Good Morning!"; }
else if (time < 20 ) { greeting = "Good Day!"; }
else { greeting = "Good Evening!"; }
console.log(greeting);
Answer: About 5-10 minutes. I had one done when i was like 9 but i don't remember the exact time. It was less than 15 minutes tho
