20 POINTS AND BRAINLIEST TO CORRECT ANSWERThe table below describes the sowing method used for a few vegetables. Which field in this table can you define as the primary key?

A. Name
B. Sowing Method
C. Sowing Time
D. Sr. No.

Answers

Answer 1

Answer:

A primary key is the column or columns that contain values that uniquely identify each row in a table. A database table must have a primary key for Optim to insert, update, restore, or delete data from a database table. Optim uses primary keys that are defined to the database.

Option D. Sr. No.

Where is the primary key?

A primary key is a field or set of fields with values that are unique throughout a table. Values of the key can be used to refer to entire records, because each record has a different value for the key. Each table can only have one primary key.

What is primary key and foreign key?

A primary key is used to assure the value in the particular column is unique. The foreign key provides the link between the two tables.

To learn more about A primary key, refer

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Answer 2

Answer: D. The Sr. No.
This is because the primary key must contain a unique value for each row of data.

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Which of the following statements is false? Group of answer choices A subclass is often smaller than its superclass. A superclass object is a subclass object. The class following the extends keyword in a class declaration is the direct superclass of the class being declared. Java uses interfaces to provide the benefits of multiple inheritance.

Answers

Answer:

A superclass object is a subclass object.

Explanation:

By definition, in OOP (Object Oriented Programming), the inheritance concept defines two kind of classes:

A subclass, this is also known as the child class, which inherits from another class.

A superclass, this is also known as the parent class, which other classes inherit (or extends) from.

which country is the leader in solar powered technology? I've been searching for the answer to this and haven't had a simple answer yet

Answers

Germany is the leader in solar power technology.

Answer: The Country that is the leader in solar powered technology would be China. Hope this helped! ^w^

Digital editing is accessible to anyone nowadays, however, it is still very expensive to record and edit audio.a. True
b. False

Answers

Completely False, you can do it for free. However professional recording studios is a different story, but that is not what this question is about.

I'm on Alpha omega academy and the correct answer would be false.

What part of the computer can translate the words from the instructions into bit patterns the chip can understand?

Answers

An assembler can translate the words into their bit patterns very easily, and then the output of the assembler is placed in memory for the microprocessor to execute.

Which line in the following program contains the prototype showDub function? 1 #include 2 using namespace std; 3 void showDub(int); 4 int main() 5 { 6 int x = 2; 7 showDub(x); 8 cout << x << endl; 9 return 0; 10 } 11 void showDub(int num) 12 { 13 cout << (num * 2) << endl; 14 }

Answers

Answer:

Option 3 is the correct answer for the above question.

Explanation:

If any function is defined after the main function or any other function which is used to call that function then there needs a prototype defined before the calling function definition to tell the compiler that what type of that function is. for example, if a fun function is called by the main function and its definition is after the main function, then there needs to declare a function prototype before the main function definition.

The prototype syntax is "return_type function_name (argumen_type1, argument_type2)". This syntax is matched from option 3. Hence 3 is the correct answer for the above question while the other is not because:-

Option 1 states about the header file.
Option 2 states about the namespace name.
Option 4 states the main function.
Option 5 states about the curly braces.
Option 6, 7 and 8 states about the main function statement.
Option 9 states the return statement.
Option 10 states about the curly braces.
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