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natta225 [31]
3 years ago
6

When users create, alter, or drop tables or create or drop indexes, the dbms updates the system catalog automatically.​?

Computers and Technology
1 answer:
faust18 [17]3 years ago
3 0
<span>True.  When users make changes to the database, such as creating, altering, or dropping tables or creating or dropping indexes, the DBMS updates the system catalog automatically.</span>
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Which of the following statement is False? 1 point Context free language is the subset of context sensitive language Regular lan
alisha [4.7K]

Answer:

Context-sensitive language is a subset of context-free language

Explanation:

Considering the available options, the statement that is considered wrong is "Context-sensitive language is a subset of context-free language."

This is because generally every regular language can be produced through the means of context-free grammar, while context-free language can be produced through the means of context-sensitive grammar, and at the same time, context-sensitive grammars are produced through the means of Recursively innumerable.

Hence, the correct answer in this correct answer to the question is the last option *Context-sensitive language is a subset of context-free langage

3 0
3 years ago
Consider the following code segment.
mafiozo [28]

Answer:

for (int h = k; h >= 0; h--)

Explanation:

From the list of given options, option C answers the question.

In the outer loop

Initially, k = 0

In the inner loop,

h = k = 0

The value of h will be printed once because h>=0  means 0>=0 and this implies once

To the outer loop

k = 1

The inner loop will always assume value of k;

So,

h = 1

This will be printed twice because of the condition h>=0  means 1>=0.

Since 1 and 0 are >=0; 1 will be printed twice

To the outer loop

k = 2

The inner loop

h = 2

This will be printed thrice because of the condition h>=0  means 2>=0.

Since 2, 1 and 0 are >=0; 2 will be printed thrice

To the outer loop

k = 3

The inner loop

h = 3

This will be printed four times because of the condition h>=0  means 3>=0.

Since 3, 2, 1 and 0 are >=0; 3 will be printed four times

7 0
3 years ago
Technician A says that a lead acid battery uses straight Hydrochloric acid for electrolyte. Technician B says that a lead acid b
konstantin123 [22]

Technician B is correct

It is safe to say that Lead acid uses sulfuric acid. When fully charged, the electrolyte consist of 40% concentrated sulfuric acid and the remainder consist of mostly water. However, as it discharges, both the positive and the negative plates turn into lead sulfate with the electrolyte loosing much of its dissolved sulfuric acid and water.

7 0
3 years ago
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In the context of an expert system, a _____ works with the knowledge base management system to ensure that the knowledge base is
defon

Answer:

Knowledge Acquisition Facility.

Explanation:

The power and effectiveness of the Expert System  is equal to the quality of the knowledge it contains. The  knowledge has to deal with high complexity and apply the best judgement. collection of expert knowledge is very important and involves the collecting information about a field usually from  an expert. This information is stored in a computer program stored as a knowledge base.

Knowledge is always updating so it also very important to keep it up to date and it is done by Knowledge Acquisition Facility.

3 0
3 years ago
5. What are some situations where you might find it useful to use the “!” symbol in a program?
svlad2 [7]

Answer:

The most common use of symbols by programmers is for performing language reflection (particularly for callbacks), and most common indirectly is their use to create object linkages. In the most trivial implementation, they have essentially named integers (e.g. the enumerated type in C).
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2 years ago
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