<span>Authorizing technologies are technologies that controls the use of system and network resources through authentication and authorization.
</span><span>Enabling technologies are innovation technologies that drive radical change in the capabilities of a user or culture.
</span>Obstructing technologies include blocking<span> and filtering, content manipulation, attacks.
</span>Preemption means "prior seizure of" and preemptive technologies <span>take control of the operating system from one task and giving </span>it<span> to another task.
</span><span>Technologies that function within the established system are called enabling technologies.</span>
Answer:
(a) Correlated.
Explanation:
Correlated subquery :These sub queries reference columns from outer table or uses values from outer query.These sub queries are processed atleast once for every row processed.So because of this reason correlated sub queries can be slow.Since the query in the question also uses value from the outer query so it is a correlated query.
My opinion is the answers A and D. I would choose A if you can only choose one, though.
Answer:
Database Management Software.
Explanation:
The software that provides the mechanism to access the database is called Database Management Software.There are two types databases SQL and No SQL.There are various types of database Management Software present online for ex:-My SQL,Microsoft SQL server,Microsoft Access,Postgres SQL,Mongo DB etc.
I'd say
False
NoSQL or the non-rational databases are document oriented
and distributed. Unlike the SQL or the relational databases which are
structured, NoSQL deals with a huge amount of unstructured data and offer
greater flexibility. NoSQL are more like file folders, gathering related
information of all types.
