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Accept, there are no constraint violations.
Explanation: Since this UPDATE query only updates the color field, it does not t impact the referencial integrity constraint.
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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 schema: Suppliers (sid: integer, sname: varchar, address: varchar) Parts (pid: integer, pname: varchar,...
Consider the following schema: Suppliers (sid: integer, sname: varchar, address: varchar) Parts (pid: integer, pname: varchar, color: varchar) Catalog (sid: integer, pid: integer, cost: real) that order) (1pt.) Where sid is the supplier’s id (primary key in Suppliers), pid is the part’s id (primary key in Parts), and sid together with pid is the primary key of Catalog. The Catalog relation lists the prices charged for parts by Suppliers. Write the following queries using relational algebra: Find the names...
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...
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 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...
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...
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: integer, cost: real) Write the following queries in relational algebra. a) Find the names of suppliers who supply some red part b) Find the sids of suppliers who supply some red or green part c) Find the sids of suppliers who supply some red and some green part. d) Find the sids of suppliers...
Consider the following relational schemas: Employee (eid: integer, ename: string, Job_title: string, Years_of_experience: integer) Project (pid:...
Consider the following relational schemas: Employee (eid: integer, ename: string, Job_title: string, Years_of_experience: integer) Project (pid: integer, pname: string, parea: string, mid: integer, budget: integer) Works_on (eid: integer, pid: integer) Manger (mid: integer, mname: string, deptid: integer) The meaning of these relations is straightforward; for example, Works_on has one record per Employee-Project pair such that the Employee Works_on the Project. 1. Write the SQL statements required to create these relations, including appropriate versions of all primary and foreign key integrity...
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...
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....
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: integer, cost: real) Write the following queries in relational algebra. a) Find the names of suppliers who supply some red part b) Find the sids of suppliers who supply some red or green part c) Find the sids of suppliers who supply some red and some green part. d) Find the sids of suppliers...
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