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jolli1 [7]
3 years ago
11

Cindy tried to delete a customer but the customer still had open invoices so the system would not allow her to delete the custom

er. More than likely ________ was enforced.
Computers and Technology
1 answer:
Verdich [7]3 years ago
8 0

Answer:

The answer is "Referential integrity".

Explanation:

This relates to one aspect of data integrity. Data across multiple tables are linked via relationships. In view of the distinct customer & invoice tables, each invoice table should have the primary key specified throughout the Customer table, for instance. Whenever the invoice table contains a customer ID reference. This ID including its customer will be only a table of the customer.

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Which layer of the osi model defines functions related to data delivery, error recovery, and flow control?
Dominik [7]
Answer is the Transport Layer.
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2 years ago
(Find the number of days in a month) Write a program that prompts the user to enter the month and year and displays the number o
Gnoma [55]
It would be a table program. you can add a table and put your data into the table
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3 years ago
Type a statement using srand() to seed random number generation using variable seedVal. Then type two statements using rand() to
jek_recluse [69]

Answer:

The solution code is written in C language.

  1.    srand(seedVal);
  2.    printf(" %d \n", rand() % 9);
  3.    printf(" %d \n", rand() % 9);

Explanation:

srand() is a C library function which seeds the random number generator. The srand() function will take one unsigned integer, <em>seedVal</em>, as input parameter (Line 1).

We can print random integer between (and including) 0 and 9 by calculating the random number modulus by 9 (Line 2-3). This will ensure the final random number will also be between 0 and 9.

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3 years ago
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miskamm [114]
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4 0
3 years ago
For each of the following data storage needs, describe which abstract data types you would suggest using. Natural choices would
timofeeve [1]

Answer:

Explanation:

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map

It can be defined as a key-value pair where combination of playlist-track number would be the the key and song name/details would be the value for that corresponding key

2. data type to store the text of the steps of a recipe for how to bake a cake would be :

list

list of string datatype can be used : each item in the list will have recipe in the data part of the node

3. data type for storing file extension with the possible programs that are able to read/open that kind of file wold be

set

It can be defined as a key-value pair where file extension would be the the key and possible program list would be the value for that corresponding key

4. data type that stores all the TV station identifications (e.g. KABC, KNBC, etc..) would be :

map

as there is no duplication in the names of TV station so map with key/value pair of TV station name /details would be appropriate to be used

8 0
2 years ago
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