I think so that it will be zero or more
The correct answer of the given question above would be option D. A wet-carpet cleaner that carries it's own water supply has water pressure created by a MOTOR-DRIVE PUMP. T<span>his product is easy to use, strong, and highly durable. Hope this answers your question. Have a great day!</span>
Explanation:
Both Primary Key and Candidate Key are the attributes that are used to access tuples from a table. These (Primary key and Candidate key) are also can be used to create a relationship between two tables.
- A Candidate Key can be any column or a combination of columns that can qualify as a unique key in the database. Each Candidate Key can qualify as a Primary Key.
- A Primary Key is a column or a combination of columns that uniquely identify a record. The primary key is a minimal super key, so there is one and only one primary key in any relationship.
<em> The main difference between them is that a primary key is unique but there can be many candidate keys. </em>
I hope you find this information useful and interesting! Good luck!
Answer:
"Programmer " is the correct answer for the following question.
Explanation:
A programmer is a person who created the software They are basically a coder who develop a code for the program or the software. They are specialists in some in the programming code area. The programmer are writing the program for a different kind of software.
The main objective programmer they convert the program design which is developed by a systems analyst or system designer using a different kind of computer language
Answer: That due to the specific tasks that needs to be accomplished by each program to make an all encompassing program would be inefficient and full of bugs
Explanation: try to do something along those lines ex why would MySQL be used to check your essay for grammar the tasks are on opposite spectrums
