True or false: In relational databases, each individual space within a row or column contains exactly one value.
Answer:
True.
Explanation:
A database management system (DBMS) can be defined as a collection of software applications that typically enables computer users to create, store, modify, retrieve and manage data or informations in a database. Generally, it allows computer users to efficiently retrieve and manage their data with an appropriate level of security.
A data dictionary can be defined as a centralized collection of information on a specific data such as attributes, names, fields and definitions that are being used in a computer database system.
In a data dictionary, data elements are combined into records, which are meaningful combinations of data elements that are included in data flows or retained in data stores. This ultimately implies that, a data dictionary found in a computer database system typically contains the records about all the data elements (objects) such as data relationships with other elements, ownership, type, size, primary keys etc. This records are stored and communicated to other data when required or needed.
Basically, when a database management system (DBMS) receives data update requests from application programs, it simply instructs the operating system installed on a server to provide the requested data or informations.
A relational database can be defined as a type of database that is structured in a manner that there exists a relationship between its elements.
Hence, in relational databases, each individual space within a row or column contains exactly one value.
list the difference between sdram and dram
Answer:
i need this for a challenge
Explanation:
rheumatoid arthritis is caused when
Answer:
caused by the immune system attacking healthy body tissue.
Explanation:
all though they are not sure what triggers it
NEED HELP 100 POINTS FOR ANSWER AND BRAINIEST!!! Which comparison operator is used to signify that a value is not equal to another value?
<>
<<
>=
=
Answer:
We use SQL Not Equal comparison operator (<>) to compare two expressions. For example, 10<>11 comparison operation uses SQL Not Equal operator (<>) between two expressions 10 and 11
Explanation:
<> operator is used to signify that a value is not equal to another value , Option A is the correct answer.
What are Comparison Operators ?An operator used to compare or relate the value of two number or string is called a Comparison operator.
The value of 0 or 1 is returned on using Comparison Operators.
<> , Not equal to operator signifies that the value are either greater than or less than the other value but not equal in any case.
Therefore <> operator is used to signify that a value is not equal to another value.
To know more about Comparison Operators
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What is the BCC feature used for?
to format email message text in a custom font
to format email message text in a blind font
to send a courtesy copy of an email to someone who does not need to take action
to send an email to someone without revealing that person’s email address to others on the distribution list
Answer:
to send an email to someone without revealing that person’s email address to others on the distribution list
Explanation:
BAM
To send an email to someone without revealing that person’s email address to others on the distribution list.
What is BCC?
"Blind carbon copy" is referred to as BCC. BCC is a similar method to CC for forwarding copies of an email to additional recipients. When CC is used, a list of recipients is shown; when BCC is used, a list of recipients is not visible.
Because the other receivers won't be able to see that the email has been forwarded to another person, it is known as a blind carbon copy.
Carbon copy is referred to as a "CC" in email communication. When there was no internet or email, you had to sandwich a piece of carbon paper between the paper you were writing on and the paper you wanted to use as your copy in order to make a copy of the letter you were writing.
Therefore, To send an email to someone without revealing that person’s email address to others on the distribution list.
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Universal Container wants to understand all of the configuration changes that have been made over the last 6 months. Which tool should an Administrator use to get this information
Answer:
Set up audit trail
Explanation:
The administrator should set up an audit trail in order to get this information.
An audit trail would give him the record of all the configuration changes that have been made in a file or a database in the last 6 months.
Audit trails can be manual or electronic. It provides history and also documentation support. It can authenticate security and also help to mitigate challenges.
If an insurance policy covers individual losses up to $10,000 and has a deductible of
$500, the insured will be paid how much in the event of a covered loss of $5,000?
Answer: $4500
Explanation:
The deductible is the amount that the insured that is, the policy holder will have to pay. In this case, there is a covered loss of $5000 and the insured has a deductible of $500.
Therefore, the amount that the insured will be paid will be the difference between $5000 and the deductible of $500. This will be:
= $5000 - $500
= $4500
