This is questions of Accounting Information Systems

1.B = Record
Four Tet industries track customer information using various Microsoft excels spreadsheets stored in a database each row in a spreadsheet represents the record.
2.B = Primary Key
A database filed in table 1 that serves as a unique identifier in table 2 and is used to link both of the tables is a primary key.
3.C = The Primary Key in the second table
4.D = Foreign Key Rule
The database requirement that foreign keys if not null must have a value that corresponds to the value of the primary key in another is called the Foreign Key rule
5.B = Data Manipulation Language ( DML )
Data Manipulation Language builds the data dictionary, defines the record structures of the database and it specifies the record and the field security constraints.
This is questions of Accounting Information Systems 1) Fo a database. Each row in this spreadsheet...
6. With respect to database systems, which of the following statement(s) is (are) true? a. The physical view of data is how people conceptually organize and understand the relationships among data items. b. The DML builds the data dictionary, creates the database, describes logical views for each user, and specifies security constraints. c. A record layout shows the items stored in a file, including the type of data stored and both the order and length of the data fields. d....
DATABASE SYSTEMS
PLEASE HELP ME
FOR QUESTIONS 1 THRU 2 SHOW THE QUERY AND THE RESULTS OF THE
QUERY (OUTPUT IN TABLE). ALSO, SHOW THE COMMANDS
TO CREATE EACH TABLE (DDL COMMANDS) AND THE INSERTION OF THE DATA
FOR EACH TABLE (DML COMMANDS).
Question 2: SQL (40 points) Use the following database to answer all parts of this question: Table: EMP Primary Key: E NO E NO E NAME E DEPT E RATHE $400.00 $200.00 $150.00 $150.00 S120.00 $100.00 $100.00...
Part I. Mapping an (E)ER schema to a relational database schema (46 points) NOTE o Each relation sachem should have a primary key (PK) when you answer. • To present the reference table of the foreign key (e.g., FK, FK1, K2), use an arrow. Do not use the relationship cardinality symbols of crow's foot notation in the relational database schema. o It is not required to specify the domain constraint (e.g., data type and length) of each attribute. 1. (12...
Please do not delete the questions. 1. What is the purpose of a database? 2. What is the reason to use a database over a spreadsheet? 3. Based on the previous answers (#1 & #2), there is a simple rule of thumb. A spread sheet is used when there is _________________________. A database is used when there are _________________________. 4. Please answer followings. a) A group of 8 bits is called a ____________ (from Chapter 4). b) The answers of...
1. Define and provide examples of the following terms. Use 3-5 sentences for each term. (30 points) a. Health Informatics b. Data Quality Management c. Interoperability d. Data Lake e. Data f. Information g. Standardized h. Unstandardized i. Data Standard j. Health Information Exchange (HIE) k. Relational Database l. Primary Key m. Foreign Key n. Structured query language (SQL) o. Information Governance 2. Differentiate the difference between information governance and data governance. Provide examples of how you would implement both...
Please access to TUN SQL/Assistant using the default database = db_pvfc12_std 1.- Run a query to retrieve all the data field from db_pvfc12_std in table CUSTOMER_T 2.- Run a query to retrieve record --> CustomerID = 11, How many records did you get and why? 3.- Run a query to retrieve all the data field from table Order_T Once retrieved: 3.1.- Please name the fields showing: Primary Key, Foreign Key and other fields 3.2.- What type of...
(MMU) has decided to consolidate the functionality of three small overlapping database systems, which support applications for 1) teaching (e.g. instructor assignment and evaluation), for 2) registration (e.g. online course status, waiting lists), and for 3) student records (e.g. transcript generation) The resulting new system will support the following enterprise description: Professors and GTAs are assigned to teach the sections of each class being offered in a semester. At the end of the semester, they get a "team rating" (professors...
Which of the following describes referential integrity? A. A Primary Key of a relational table must not contain a null value B. One fact must not be in multiple places C. The value for a foreign key attribute must either be null or match the one of the data value of that attribute in the table in which the attribute is a primary key D. Referential Integrity is a principle that prevents the use of redundancy, avoids null values and...
Relational Database Design Theory, please answers ALL parts
because they are related to each other, and I can't separate it
into different questions. Please help!
By looking at the PHLogger table:
A. List all non-trivial functional dependencies.
B. What is the highest normal form the PHLogger table is in
currently?
C. The external consulting experts at DBInstructor,
Inc., have noticed that city and state of an address can be
inferred by its postal code (zip code). What new functional
dependencies...
Given the following relational database schema (primary keys are bold and underlined). Answer questions 2.1 to 2.4 Orders(orderld, customerld, dateOrdered, dateRequired, status) Customer(customerld, customerLastName, customerStreet, customerCity, customerState, customer Lip OrderDetails(orderld.productld, quantity, lineNumber, amount) Products(productld, name, description, quantity, unitPrice) Account(accountNumber, customerld, dateOpened, creditCard, mailingStreet, mailingCity, mailingState, mailingZip) 2.1 (2 Points) List all possible foreign keys. For each foreign key list both the referencing and referenced relations. 2.2 (2 Points) Devise a reasonable database instance by filling the tables with data of...