Given that information ERD and EERD. draw the dependency diagram 1NF,2NF and 3NF. Make sure that you label the transitive and/or partial denendencies
Q: QUESTION 6 There will be three tables after converting the following conceptual diagram into the…
A: 6) Answer :-- False It will converted into two table table A with two fields named field1 and…
Q: When moving a weak entity from the ER model to relational schema, describe what makes up the primary…
A: Weak entity means entities that doesn't have their own primary key and is completely dependent on…
Q: dependency diagram and explain its purpose
A: A dependency diagram and its purpose
Q: What is the multivalue, multicolumn problem? What is a multivalued dependency, and how is it…
A: Note: There are multiple questions given in one question. According to the rule, you will get the…
Q: Normalise this to third normal form, showing all steps and explanations. The final answer must be in…
A: As the final answer should be in a dependency diagram format, we need to understand there are mainly…
Q: Create a database whose tables are at least in 2NF, showing the dependency diagrams for each table.
A: Dependency diagram for database table The database table of Table1 is Table1…
Q: Contrast Partial dependency and Transitive Dependency.
A: Required: Databases: Contrast Partial dependency and Transitive Dependency.
Q: Normalise the answer from Q.5.2 to third normal form (3NF), showing all steps with explanations. The…
A: Please check the step 2 for solution
Q: What is partial dependency? With what normal form it is associated?
A: Partial dependency is said to be existed if there is functional dependence in which, the determinant…
Q: The dependency diagram in Figure Q6.8 indicates that a patient can receive many prescriptions for…
A: GIVEN: The dependency diagram in Figure Q6.8 indicates that a patient can receive many…
Q: Can someone do a 3NF DEPENDENCY DIAGRAM? and explain it I am trying to understand it
A: Third normal form: For a relation to be in the 3NF, it should maintain the properties of the second…
Q: How relation listening important?
A: The relationship that is built between people when they communicate is the focus of relational…
Q: Contrast the terms partial dependency; transitive dependency?
A: A partial dependency is a functional dependency X -> Y that holds for a relation where X is a…
Q: With your own words, describe the different between associations and dependency relationships. Give…
A: In your own words, describe the different between associations and dependency relationships. Give…
Q: LGCUSTCMER LGBRAND PK Cust Code PK Brand ID Cust Fname Cust Lname Cust Street Cust City Cust State…
A: Although Second Normal Form (2NF) relations have less repetition than those in 1NF, they might in…
Q: Draw a dependency diagram to show the partial and transitive dependencies in this data.
A: Partial Dependency : when the attribute in the table depends on only some part of the primary key…
Q: Demonstrate that if a relation contains no property that is functionally determined by all of the…
A: Introduction Show that if a relation has no attribute that is functionally determined by all the…
Q: b) Draw a 2NF dependency diagra
A: The problem is related to database normalization and depedency identification. The requirement is…
Q: c) Draw a 3NF dependency diagram.
A: The given data sample table shows the invoice details and it is in 1NF. The assignment requirement…
Q: Using the descriptions of the attributes given in the figure, convert the ERD shown in Figure given…
A: Convert the given Entity Relationship Diagram (ERD) into dependencies diagrams: Initial dependency…
Q: Suppose you have a Relation that has an atomic Primary Key and noRepeating Groups. All non-key…
A: According to the details provided about the relation, the relation is in 2NF. This relation has to…
Q: Using the descriptions of the attributes given in the following figure, how to convert the ERD into…
A: The properties of 3NF (3rd Normal Form) is: It is in 2nd normal form. It does not have transitive…
Q: Using the descriptions of the attributes given in the figure, convert the ERD shown in Figure P6.1…
A: Answer: Converting the given ERD diagram Dependency diagram of 3NF Normalization is the process of…
Q: 3.2. Change the provided dependency diagram below to 3NF. You only have to draw the final dependency…
A: Change the given dependency diagram to 3NF
Q: Given the ER diagram below, create relation schemas to capture the database design.
A: Database Management System(DBMS) is a software for storing and retrieving users data while…
Q: The dependency diagram in Figure Q6.8 indicates that a patient can receive many prescriptions for…
A:
Q: LGCUSTCMER LGBRAND PK Cust Code PK Brand ID Cust Fname Cust Lname Cust Sreet Cust City Cust_State…
A: All relations in 3NF, and all PK,FK are shown in dependency diagram as below :
Q: Define the term Surrogate primary key?
A: These types of keys do not have any business meaning in the database.
Q: Draw the Dependency Diagram that is in 3NF for each relation. For each relation show the level of…
A: Although Second Normal Form (2NF) relations have less redundancy than those in 1NF, they may still…
Q: The dependency diagram below indicates that authors are paid royalties for each book that they write…
A: Dependencies diagrams for each database table: Table1: Create the database table with name of…
Q: Describe what is meant by full functional dependency and describe how this type of dependency…
A:
Q: What characteristics do tables that conform to the concept of well-informed relations have? [ 1 b.…
A: let us see the answer:- Since it is a multi-part question we are answering the first 2 questions for…
Q: Using the descriptions of the attributes given in the figure, convert the ERD shown in Figure P6.2…
A:
Q: Describe a dependency diagram and explain purpose
A: Dependency diagrams helps to understand the relationship between two entities. these diagrams are…
Q: C a1 b1 с1 d1 e1 a2 b1 c2 d2 e1 a3 b2 с1 d1 e1 a4 b2 c2 d2 e1 a5 b3 c3 d1 e1 Given the above table…
A: functional dependency is used to defined a relationship between primary key ad other attributes. IN…
Q: Draw the dependency diagram and identify the functional dependencies. Show the process of converting…
A: Service_id->(ser_cat) Ser_cat->(Ser_wk_hrs,Ser_Cost) Truck_no->Truck_Cap Dependency…
Q: Draw a relational schema based on this EER diagram.
A: Schema in database are three :Physical schema,Logical schema and view..Basically schema is…
Q: Write its relational schema and draw its dependency diagram. Label all transitive and/or partial…
A: DINNER ( MEMBER_NUM, MEMBER_NAME, MEMBER_ADDRESS, MEMBER_CITY, MEMBER_ZIPCODE, INVITE_NUM,…
Q: 1. Identify the PK and all the dependencies in the table and draw the 1NF dependency diagram.
A: In cases with multiple questions we only are supposed to answer the first question.
Q: Create a database whose tables are at least in 3NF, showing the dependency diagrams for each table.
A: Functional Dependency: A functional dependency is a term used in the database which defines the…
Q: ABC D E FG
A: A functional dependency is a term used in the database which defines the relationship between the…
Q: Draw a dependency diagram to show the partial and transitive dependencies in this data. What are…
A: Note: There are two different questions i would prefer to answer the first question in the second…
Q: Convert to 1NF Relation Draw dependency diagram showing all functional dependencies Identify…
A: Rule to convert this tale into 1 NF:-
Q: Modify the dependency diagrams you created in #1 to produce a set of dependency diagrams that are in…
A: A table design is said to be in 3NF if both the following conditions hold: Table must be in 2NF…
Q: StaffID ContractNo HoursPerWeek StaffName OfficeNo OfficeLocation 101 C90 16 Anne O25…
A:
Q: 1. Identify the funtional dependencies. 2.Create the dependency diagram to yield a set of…
A: Relational schema - MEMBER( MEMBER_NUM , MEMBER_NAME, MEMBER_ADDRESS, MEMBER_CITY,…
Q: Please provide the dependency diagram for this ERD You can find an example of dependency below:…
A: The relations that can be depicted from the given table are as follows: There are five relations-…
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- student takes ID ID course_id sec_id semester year grade пате dept_name tot_cred section course department course_id sec_id semester year building room_no time_slot_id course_id title dept_name credits advisor dept_name building budget s_id i id time_slot time_slot_id day start_time end_time prereq instructor classroom COurse_id prereg_id ID building пате dept_name salary room_no сараcity teaches ID course_id sec_id semester year Consider the relation that results from the expression: course natural join department Which of the following functional dependencies hold for this relation? (Mark all that apply) O {title, credits} -> building O dept_name -> budget O course_id -> {budget} O {building, budget} -> dept_name O title -> credits O {course_id, title} -> creditsMySql Workbench CREATE TABLE students ( id INT PRIMARY KEY, first_name VARCHAR(50), last_name VARCHAR(50), age INT, major VARCHAR(50), faculty VARCHAR(50)); CREATE TABLE location ( id INT PRIMARY KEY, name VARCHAR(50), rooms INT); CREATE TABLE faculty ( id INT PRIMARY KEY, name VARCHAR(50), department_id INT); 1. List last name of all students whose first name is longer than 4 letters in ascending order accordingto the last name. Duplicated rows should be removed from the output.2. Count the total number of rooms in Location.3. Find the number of students in each major.4. Find the number of employees in each department who get no commission or have salary less than5000.5. Find the maximum salary of employees in each department that the employee was hired 15 yearsbefore now. *hint: user TIMESTAMPDIFF(<unit type>,<Date_value 1>,<Date_value 2>), the unitcan be YEAR, MONTH, DAY, HOUR, etc...SQL: Add a table-level PRIMARY KEY constraint to the EMPLOYEE table using the ID column. The constraint should be named at creation. (Which means you'll need to drop the table, then recreate.) Create a PRIMARY KEY constraint on the DEPARTMENT table using the ID column. The constraint should be named at creation. (Which means you'll need to drop the table, then recreate.) Add a foreign key reference on the EMPLOYEE table that will ensure that the employee is not assigned to a nonexistent department. Confirm that the constraints were added by querying USER_CONSTRAINTS. Note the types and names of the constraints and include them in your statement comments. Display the object names and types from the USER_OBJECTS data dictionary view for EMPLOYEE and DEPARTMENT tables. You will want to format the columns for readability. Provide comments that include the new tables and indexes created. Modify the EMPLOYEE table by adding a SALARY column of NUMBER data type, precision 7. Confirm…
- SERVICE_ID PROPERTY_ID CATEGORY_NUMBER OFFICE_ID DESCRIPTION STATUS EST_HOURS SPENT_HOURS NEXT_SERVICE_DATE 1 11 2 2 The second bedroom upstairs is not heating up at night. Problem has been confirmed. central heating engineer has been scheduled. 2 1 2019-11-01 2 1 4 1 A new strip light is needed for the kitchen. Scheduled 1 0 2019-10-02 3 6 5 1 The bathroom door does not close properly. Service rep has confirmed issue. Scheduled to be refitted. 3 1 2019-11-09 4 2 4 1 New outlet has been requested for the first upstairs bedroom. (There is currently no outlet). Scheduled 1 0 2019-10-02 5 8 3 2 New paint job requested for the common area (lounge). Open 10 0 NULL 6 4 1 1 Shower is dripping when not in use. Problem confirmed. Plumber has been scheduled. 4 2 2019-10-07 7 2 2 1 Heating unit in the entrance smells like it’s burning. Service rep confirmed the issue to be dust in the heating unit. To be cleaned. 1 0 2019-10-09 8 9 1 2 Kitchen sink does not drain properly. Problem…Normalise the data : Table: Administrator Field Name Data Field Constraints Description size type varchar Admin ID 15 Primary Key Contains the Admin id Admin char 50 Not null Contains the Name Admin name Not null Contains email Email varchar 20 the Address char 10 Not null Contains the address Phone int 8 Not null Contains the Number phone number Table: Product Field Name Data type Field size Constraints Description Product ID varchar 20 Primary Key Contains the product id Product Name char 25 Not null Contains product name Category char 13 Not null Contains the category CustomerlD varchar 15 Foreign key Contains the customer idSubmission guidelines: The assignment must be submitted by the deadline (earlier submissions are encouraged) in PDF format through Blackboard using the following file name format: LastName_FirstName_Assignment_1.pdf. The assignment must be typewritten. All the assignments in this course are individual work; any overlap between assignment reports will be penalized. A bank requires for their customers to access their online banking accounts to provide as User Id (or user name) the last 8 digits of their bank card number, and a password with a length between 8 and 12 ASCII characters, including the following restrictions (posted on their website): Passwords must have at least 8 characters long and at most 12 characters long, and must include at least one character from each of the following four character types: Upper case letters ABC DEF Lower case letters ghijkl Numbers 1 2 345 67890 Special characters ! @ # $ % ^ & * (+) = - The remaining characters of the password must be selected…
- Write an SQL query to display: The last name of the student who registered at the last. K Your output should contain 1 column in the below-mentioned order. last_nameA unique identifier for a data row that consists of more than one field is commonly called a: primary plus key composite primary key foreign key none of the abovePerform the following tasks: a. Create an index named ITEM_INDEX1 on the ITEM_NUM column in the ORDER_LINEtable. b. Create an index named ITEM_INDEX2 on the CATEGORY column in the ITEMtable. c. Create an index named ITEM_INDEX3 on the CATEGORY and STOREHOUSE columnsin the ITEM table. d. Create an index named ITEM_INDEX4 on the CATEGORY and STOREHOUSEcolumns in the ITEM table. List categories in descending order.