--1.7
SELECT fieldNum,title From Field WHERE EXISTS (Select acnum from interest Where fieldNum=Field.FieldNum and Field.Title Like '%data%' and acnum in (select acnum from academic where deptnum=100));
In above query we have used Exists operations and along with subquery to filter data as per requirement.
<The relational schema for the Academics database is as follows DEPARTMENT(deptnum, descrip, instname, deptname, state,...
The relational schema for the Academics database is as follows DEPARTMENT(deptnum, descrip, instname, deptname, state, postcode) ACADEMIC(acnum, deptnum*, famname, givename, initials, title) PAPER(panum, title) FIELD(fieldnum, id, title) INTEREST(fieldnum* acnumk, descrip) Some notes on the Academics database An academic department belongs to one institution (instname) and often has many academics. An academic only works for one department. Research papers (PAPER) are often authored by several academics, and of course an academic often writes several papers (AUTHOR) A research field (FIELD) often...
The relational schema for the Academics database is as follows: DEPARTMENT(deptnum, descrip, instname, deptname, state, postcode) ACADEMIC(acnum, deptnum*, famname, givename, initials, title) PAPER(panum, title) AUTHOR(panum*, acnum*) FIELD(fieldnum, id, title) INTEREST(fieldnum*, acnum*, descrip) Some notes on the Academics database: ● An academic department belongs to one institution (instname) and often has many academics. An academic only works for one department. ● Research papers (PAPER) are often authored by several academics, and of course an academic often writes several papers (AUTHOR). ●...
Return the acnum of academic(s) who wrote the largest number of papers. You must NOT use MAX. An SQL query that lists all academics in decreasing order of their total number of papers is incorrect. Question 1. SQL (10 points) In addition to the lecture notes, you should also study by yourself the SQL Plus tutorial on Canvas (the Oracle section) and other resources for syntax and useful functions The relational schema for the Academics database is as follows descrip,...
Question 3. SQL (5 points). In addition to the lecture notes, you should also study by yourself the SQL Plus tutorial on Canvas (the Oracle section) and other resources for Oracle syntax and useful functions. The relational schema for the Academics database is as follows: DEPARTMENT(deptnum, descrip, instname, deptname, state, postcode) ACADEMIC(acnum, deptnum, famname, givename, initials, title) PAPER(panum, title) AUTHOR(panum*. acnum) FIELD(fieldnum, id, title) INTEREST(fieldnum* acnum*, descrip) Some notes on the Academics database An academic department belongs to one institution...
Topic: Inventory Manangement Part A. Database Creation Your database should have a minimum of 4 tables and include both one-to-many and many-to-many relationships. Be sure to include some numeric and/or date fields. Define all appropriate constraints, using the proper naming conventions (see Structure Notes below). Populate your database with at least 30 records in the main table(s), and whatever is needed in related tables. Submit the following: • a short description of the purpose of the database and what the...
May I ask the SQL code as follows? The relational database moviedb has the following database schema: Movie(title, production year, country, run time, major genre) primary key : {title, production year} Person(id, first name, last name, year born) primary key : {id} Award(award name, institution, country) primary key : {award name} Restriction Category(description, country) primary key : {description, country} Director(id, title, production year) primary key : {title, production year} foreign keys : [title, production year] ⊆ Movie[title, production year] [id]...
database and sql problme THE QUESTIONS 3, 4,5 and 6 REFER TO THE RELATIONAL TABLES LISTED BELOW CREATE TABLE Department ( DECIMAL(5) VARCHAR(30) CHAR(5) DATE NOT NULL NOT NULL NOT NULL * Department number /*Department name * Department manager number */ /Manager start date DNumber DName Manager MSDate CONSTRAINT Department_PK PRIMARY KEY(DNumber) CONSTRAINT Department_CK UNIQUE(DName) CREATE TABLE DeptLocation DECIMAL(5) VARCHAR(50) NOT NULL NOT NULL DNumber * Department number */ * Department location */ Address CONSTRAINT DeptLocation_PK PRIMARY KEY(DNumber, Address) CONSTRAINT...
Q1: The following question are based on these database tables: EMPLOYEE FNAME MIDINT LNAME SSN BDATE ADDRESS SEX SALARY SUPER_SSN Dept_No James A Borg 123123123 Houston, TX M 55000 Null 1 Franklin S Wong 234234234 Houston, TX M 40000 123123123 5 John Q Smith 345345345 Houston, TX M 30000 234234234 5 Jennifer L Wallace 456456456 Bellaire, TX F 43000 123123123 4 Alicia M Zalaya 567567567 Spring, TX F 25000 456456456 4 Ramesh R Narayan 678678678 Humble, TX M 38000 234234234...
You are a database consultant with Ace Software, Inc., and have been assigned to develop a database for the Mom and Pop Johnson video store in town. Mom and Pop have been keeping their records of videos and DVDs purchased from distributors and rented to customers in stacks of invoices and piles of rental forms for years. They have finally decided to automate their record keeping with a relational database. You sit down with Mom and Pop to discuss their...