Please finish all parts, thanks!
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Please finish all parts, thanks! 2) Consider the following schema: Suppliers(sid: integer, sname: string, address: string) Parts(pid:integer, pname: string, color: string ) Catalog( sid: integer, pid...
Consider the following schema: SUPPLIERS (SID: integer, SNAME: string, STREET: string, CITY: string, ZIP: string) PARTS...
Consider the following schema: SUPPLIERS (SID: integer, SNAME: string, STREET: string, CITY: string, ZIP: string) PARTS (PID: integer, PNAME: string, COLOR: string) CATALOG (SID: integer, PID: integer, COST: real) The primary key attributes are underlined, and the domain of each attribute is listed after the attribute name. Thus, SID is the primary key for SUPPLIERS, PID is the primary key for PARTS, and SID and PID together form the primary key for CATALOG. Attribute SID in CATALOG is a foreign...
EXERCISE 1 (SQL Queries) Consider the following schema: SUPPLIERS (SID : integer, SNAME : string, CITY...
EXERCISE 1 (SQL Queries) Consider the following schema: SUPPLIERS (SID : integer, SNAME : string, CITY : string) PARTS (PID : integer, PNAME : string, COLOR : string) CATALOG (SID : integer, PID : integer, COST : real) The key fields are underlined, and the domain of each field is listed after the field name. Thus, SID is the key for SUPPLIERS, PID is the key for PARTS, and SID and PID together form the key for CATALOG. The CATALOG...
Answer the following five (5) questions, based on the schema provided.
C. Answer the following five (5) questions, based on the schema provided.Consider the following schema:Supplier (sid: integer, sname: string, address: string)Part(pid: integer, pname: string, , color: string)Catalog(sid: integer, pid: integer, cost: real)The relation Supplier stores suppliers and the primary key of that relation is sid. The relation Part stores parts, and pid is the primary key of that relation. Finally, Catalog stores which supplier supplies which part and at which cost (price). The primary key is the combination of the...
In .sql Given the following relational schemas, answer the following questions: Suppliers(sid: int, sname: VARCHAR(30), address:...
In .sql
Given the following relational schemas, answer the following questions: Suppliers(sid: int, sname: VARCHAR(30), address: VARCHAR(50)) Parts(pid: int, pname: VARCHAR(30), color: VARCHAR(10)) Catalog(sid: int, pid: int, cost: double) c. (8 points) List sid, sname, and address of all suppliers who supply at least one part. In other words, the answer must not show sid and sname of any supplier who does not have its sid in the Catalog table d. (4 points) Find all distinct black parts in the...
SQL Queries (1)
Suppliers(sid: integer, sname: string, address:string)Parts(pid: integer, pname: string, color: string)Catalog(sid: integer, pid: integer, cost: real)The Catalog relation lists the prices charged for parts bySuppliers. Write the following queries in SQL:1) Find the pnames of parts supplied by Acme Widget Suppliers andno one else.2) Find the sids of suppliers who charge more for some partthan the average cost of that part (averaged over all the supplierswho supply that part).3) For each part, find the sname of the supplier who chargesthe most...
Any help appreciated! Question 1 (5 points). Answer each of the following questions briefly. The questions...
Any help appreciated! Question 1 (5 points). Answer each of the following questions briefly. The questions are based on the following relational schema: Emp( eid: integer, ename: string, age: integer, sala1l1: real) Works( eid: integer, did: integer, pet_time: integer) Dept(did: integer, dname: string, budget: real, managerid: integer) 1. Give an example of a foreign key constraint that involves the Dept relation. 2. Write the SQL statements required to create the preceding relations, including appropriate versions of all primary and foreign...
consider the following relational database that records details of parts and suppliers. Primary keys are underlined...
consider the following relational database that records details
of parts and suppliers. Primary keys are underlined and the Foreign
Keys are identified with (FK).
Suppliers (sid, sname, address, credit)
Parts (pid, pname, color)
Catalog (sid (FK), pid (FK), cost)
The credit attribute denotes the size of the supplier’s credit
account. The Catalog relation lists the prices charged for parts by
Suppliers.
Which of the following queries returns the snames of suppliers who supply every part? Select one or more: a....
Consider the following database Relation Schemas: Relation Schemas: Suppliers(SID CHAR(5), Parts(pID VARCHAR(5), type VARCHAR(15), pName VARCHAR(35),...
Consider the following database Relation Schemas: Relation Schemas: Suppliers(SID CHAR(5), Parts(pID VARCHAR(5), type VARCHAR(15), pName VARCHAR(35), sName VARCHAR(15), address VARCHAR(30, city VARCHAR(20), state CHAR(2), PRIMARY KEY(sID); PRIMARY KEY(pID) Catalog(sID CHAR(5), pID VARCHAR(5), ty SMALLINT, cost FLOAT (10,2), PRIMARY KEY(sid, pid), FOREIGN KEY(sid) REFERENCES Suppliers(SID), FOREIGN KEY (pid) REFERENCES Parts pID) The meaning of these relations is straightforward; for example, the Catalog relation lists the prices charged for parts by Suppliers. Instances of the relations Suppliers sName address SID cit state...
Consider a database schema with three relations: - Parts (pid:integer, pname:string, year:integer, price:integer) -Suppliers (sid:integer, sname:...
Consider a database schema with three relations: - Parts (pid:integer, pname:string, year:integer, price:integer) -Suppliers (sid:integer, sname: string, state:string, zipcode:string) -Orders (pid:integer, sid:integer, quantity:integer) The description is as follows: a factory keeps a database with parts that it uses, the suppliers of those parts, and purchase orders. Each part is uniquely identified by pid. Each part has a string description pname, year of fabrication and price per unit. Parts are provided by suppliers, and each supplier is uniquely identified by sid....
Please HELP, THANK YOU SO MUCH Consider the below schema of the university database (keys are...
Please HELP, THANK YOU SO MUCH
Consider the below schema of the university database (keys are in bold and underline) Part(pid: string, pname: string, description: string, color: string) Department(did: string, dnamestring, address: string) Supplier(sid string,.sname:string, address:string) Order(did:string. sid string pidstring, time:string, quantityreal, pricereal) The key fields are underlined, and the domain of each field is listed after the field name. Thus pid is the key for Part, did is the key for Department, sid is the key for Supplier, and...
In .sql
Given the following relational schemas, answer the following questions: Suppliers(sid: int, sname: VARCHAR(30), address: VARCHAR(50)) Parts(pid: int, pname: VARCHAR(30), color: VARCHAR(10)) Catalog(sid: int, pid: int, cost: double) c. (8 points) List sid, sname, and address of all suppliers who supply at least one part. In other words, the answer must not show sid and sname of any supplier who does not have its sid in the Catalog table d. (4 points) Find all distinct black parts in the...
consider the following relational database that records details
of parts and suppliers. Primary keys are underlined and the Foreign
Keys are identified with (FK).
Suppliers (sid, sname, address, credit)
Parts (pid, pname, color)
Catalog (sid (FK), pid (FK), cost)
The credit attribute denotes the size of the supplier’s credit
account. The Catalog relation lists the prices charged for parts by
Suppliers.
Which of the following queries returns the snames of suppliers who supply every part? Select one or more: a....
Consider the following database Relation Schemas: Relation Schemas: Suppliers(SID CHAR(5), Parts(pID VARCHAR(5), type VARCHAR(15), pName VARCHAR(35), sName VARCHAR(15), address VARCHAR(30, city VARCHAR(20), state CHAR(2), PRIMARY KEY(sID); PRIMARY KEY(pID) Catalog(sID CHAR(5), pID VARCHAR(5), ty SMALLINT, cost FLOAT (10,2), PRIMARY KEY(sid, pid), FOREIGN KEY(sid) REFERENCES Suppliers(SID), FOREIGN KEY (pid) REFERENCES Parts pID) The meaning of these relations is straightforward; for example, the Catalog relation lists the prices charged for parts by Suppliers. Instances of the relations Suppliers sName address SID cit state...
Please HELP, THANK YOU SO MUCH
Consider the below schema of the university database (keys are in bold and underline) Part(pid: string, pname: string, description: string, color: string) Department(did: string, dnamestring, address: string) Supplier(sid string,.sname:string, address:string) Order(did:string. sid string pidstring, time:string, quantityreal, pricereal) The key fields are underlined, and the domain of each field is listed after the field name. Thus pid is the key for Part, did is the key for Department, sid is the key for Supplier, and...
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