Answer:
The reliance on ______ as the design methodology for relational databases is seen as a stumbling block to its use in OLAP systems:
c. normalization
Explanation:
- The OLAP systems are those type of software that are used to analyse the data stored in a database. OLAP stands for online analytical processing. This software allows the user to analyse different data like demographic data etc.
- The reliance on normalization as the design methodology for relational databases is seen as stumbling block to its use in OLAP systems because in operations like creating, retrieving, updating or deleting of data, the de-normalization structure is preferred instead of normalization as we can avoid the data duplication as well as to increase the speed of processing.
Answer:
That it
Explanation:
There have been mass extinctions during the Cenozoic as there were during the Mesozoic and Paleozoic, but not as many animals and plants have disappeared. Finally, humanity appeared during the last two million years.The human lineage only diverged from our most recent common ancestor about 5 million years ago; less than half of 1% of that time, and modern Homo sapiens is only between 200,000 and 50,000 years old, depending on your definition.
Answer:
make sure the speaker is clean and you volume setting is on normal there is alot of setting for deaf people so make sure that is correctly
Answer:
A closed port that can not receive request from authorized users.
Explanation:
Networks comprises of end devices, routing and switching devices, servers, technical control devices etc. The communication and interconnection of these devices makes up a secure and resourceful network.
Attackers can exploit loopholes in networks to steal information. The attackers uses the SYN scanning or cracking technique to implement the DOS or denial of service attack.
DOS is used to flood ports on a server in a network, preventing authorized user access, as they steal information to avoid detection.
