Answer:
SQL pattern matching allows you to search for patterns in data if you don't know the exact word or phrase you are seeking. This kind of SQL query uses wildcard characters to match a pattern, rather than specifying it exactly. For example, you can use the wildcard "C%" to match any string beginning with a capital C.
Explanation:
i think its b sorry if wrong
Answer:
yes administrators have to be concerned
Explanation:
It is necessary for countermeasures to be taken against DoS attacks
The types of attacks that can still occur are:
If the network connection get to be overloaded, there could be flash crown of this computer system and fraudulent activities maybe initiated. By flash crowd we mean that the there is a great deal of traffic on the system and this could cause the network connection to be destroyed.
To reduce the impact of this kind of attacks,
1. there should be enough or excess network bandwidth and distributed servers should be replicated if there is a possibility that network could get to be overloaded.
2. restriction is more commonly done on sporting sites. Restriction brings about an increase in implementation cost.
3. The impact of this type of attack can be reduced by stopping unwanted traffic throught the implementation of filters
4. Use strong antivirus on computer sytems that are used to connect to the internet
It is true the reason why it is true is
Making charts, files that need complicated calculations
