Answer:
The account record comprises of Invoice roll up summary fields.
Explanation:
The possible reason that this change was not permitted was that the account record comprises of Invoice roll up summary fields.
Invoice roll up summary fields: A roll-up summary field computes values from associated records, for example those in a linked list. a person or someone ca design a roll-up summary field to show a value in a master record by building the values of fields in a particular record.
The detail record must be associated to the master through a master-detail relationship. for instance, you want to show the sum of invoice amounts for all linked custom object records in an account’s Invoices related list. you can show the whole or sum in a custom account field refereed to as Total Invoice Amount.
Answer:
Input devices: For raw data input.
Processing devices: To process raw data instructions into information.
Output devices: To disseminate data and information.
Storage devices: For data and information retention.
Answer:
A=34
Explanation:
Rewrite the equation as 2a−56=3⋅4
2a−56=3⋅4
Multiply 3 by 4
2a−56=12
Move all terms not containing a to the right side of the equation.
2a=68
Divide each term by 2
and simplify.
a=34
Answer:
Below is the required statement:
Explanation:
select c.categoryname
from categories c
where not exists (select 1 from products p where p.categoryid = c.categoryid);
I think the answer would be C :)
