In the case above, The asterisk helps database or tell it to select all data that meets the criteria as stated in the query.
<h3>What does asterisk (*) mean in SQL?</h3>
The term means all columns. Note that The asterisk or star symbol ( * ) is a term that implies all columns in a given database.
Therefore, In the case above, The asterisk helps database or tell it to select all data that meets the criteria as stated in the query.
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Answer:
There is Name resolution failure
Explanation:
This normally occurs when the computer can't access the host (your server). It can be caused by several factors, such as:
-Internet connectivity is down
-The client does not have DNS servers configured or is configured with the incorrect DNS server IP addresses.
-The DNS servers are failing.
Cache Flash memory offers a combination of the features of ram and rom.
Memory made of cache flash combines ROM and RAM functionalities. It can be upgraded to store fresh information, just like RAM. It retains the data even if the power to the computer system is turned off, unlike ROM.
Non-volatile computer memory that may be electrically erased and reprogrammed is called flash memory.
• This technology is mainly utilized in memory cards and USB flash drives (also known as thumb drives, handy drives, memory sticks, flash drives, jump drives, and "Cap N' Go") for broad data storage and transmission between computers and other digital devices.
• It is a particular kind of EEPROM (Electrically Erasable Programmable Read-Only Memory) that can be programmed and wiped in big chunks.
• PDAs (personal digital assistants), laptop computers, digital music players, digital cameras, and mobile phones are a few examples of applications.
• It has also become more common in the market for video game consoles, where it is frequently utilized for game save data instead of EEPROMs or battery-powered SRAM.
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Answer:
Kindly check Explanation
Explanation:
Advancement in technology spurred largely due to the advent of the computer and internet has resulted in a notable change in the behavior, lifestyle and engagement of many individuals. This include ; providing a faster and more convenient way of computing and completing tasks. Accelerating the global rate of technological development due to great computing capabilities. Educational enhancement and development through online education.
Computing also pose some societal issues which needs to addressed. This include :
Issues regarding privacy and identity theft are widespread. Addiction to games and other engaging content often pose distraction to youth and child development. Computing could be said to have placed increased pressure on human power and engagement with the advent of automated robots and programs. Increased exposure to electromagnetic rays. Promotion of indecency and immoral contents has become increasingly easier. Peer influence through fake promotion and display of wealth by some overrated individuals.
Therefore, it is imperative that informations conveyed through the internet are treated with utmost confidentiality in other to avoid privacy issues which may arise from leakage.
A backdoor is a typically covert method of bypassing normal authentication or encryption in a computer, product, embedded device (e.g. a home router), or its embodiment (e.g. part of a cryptosystem, algorithm, chipset, or even a "homunculus computer" —a tiny computer-within-a-computer such as that found in Intel's AMT technology).Backdoors are most often used for securing remote access to a computer, or obtaining access to plaintext in cryptographic systems. From there it may be used to gain access to privileged information like passwords, corrupt or delete data on hard drives, or transfer information within autoschediastic networks.
the answer is True
i hope it will help you