Answer:
B
Explanation:
You need Name , Age and Gender
the second requirement should only match the last row where age is 20 and gender is male.
thrid requirement of the query is that its syntax should be correct.
Option B staisfies all of required so it is the correct option.
<h2>
Answer:</h2>
There are a whole lot of encapsulation or information hiding examples in the Bible. Here are about 3 of them:
i. <em>The parables of Jesus</em>. Many times Jesus spoke in parables to teach His disciples and until He's explained they would not get the meaning.
ii. <em>The interpretation of dreams by Joseph</em>. A noticeable example is the one of the baker and the butler in Genesis 40. Each of them - the butler and the baker - both had a dream but the actual meaning and interpretation of those dreams were not known by them.
iii. <em>Peter walking on water</em> is yet another example of encapsulation. He was only following the instruction of the master. How he was able to walk on water was a mystery to him. Only Christ the master knew how. Encapsulation.
Answer: False
Explanation:
This means that the mappings between the two schemas may be specified in either one of these languages.In most relational DBMSs today, there is no specific language that performs the role of SDL. Instead, the internal schema is specified by a combination of functions, parameters, and specifications related to storage. These permit the DBA staff to control indexing choices and mapping of data to storage
Answer:
The right answer will be "Sniffing through a hub".
Explanation:
- Packet sniffer seems to be a device that listens for transmitted data on what seems like a channel. Sniffing enables the detection of data by individual people as it has been transferred throughout a cable.
- Appropriate nodes are using this methodology to make a diagnosis of connection issues, or even just harmful programs to obtain confidential information, like authentication and encryption.
