Answer:
E
Explanation:
It is an internal built in process in any bios.
Answer: a field in a table that links it to other tables in a relational database
Answer: It's important to know what you're researching. Blog and Wikis aren't often verified , and contain a lot of biased answers. The main consideration is looking for bias. When you're reasearching you often want facts. Not opinions.
Explanation:
Answer:
According to the confidentiality, the data are classified into the three ways that is confidential, public and controlled and it the data classification are matched according to to its particular definition are as follows:
Confidential = (C) Cannot be released without owner's consent.
Public = (A) Accessible to everyone
Controlled = (B) Not public but can be released without owner's consent
The confidentiality of the data is basically known as protecting the data from the unauthorized and unlawful access. The data confidentiality is the set of the rules which limit the unauthorized access to the confidential information and it is only available to the authorized people with the reliable access to the data.
Answer:
Using join on both table against column CUST_ID will return customer ID, company and total sales
Explanation:
select
CUSTOMERS.CUST_ID,
CUSTOMERS.COMPANY,
SALES.TOTAL_SALES
from CUSTOMERS JOIN SALES
ON
CUSTOMERS.CUST_ID=SALES.CUST_ID
Above query selects required customer id and company table from customers table and total sales from sales table and apply join against customer id
JOIN in sql returns all the row where for a value in first table there is a matching value in second table.
