Given the following relational schema (Hint: the bold text represents a primary key),

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A: Method of specifying primary key in relational schema

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A:

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A: Note: As per the policy I answered as much as I can. Please resubmit the question separately which…

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A: From the above question, we have the condition as ,dept_code and stu_num are primary keys that means…

Q: SQL DDL corresponding to this schema (i.e. the CREATE TABLE statements Database Schema: branch (…

A: To create primary key,  create table tableName(colName datatype primary key);  To create foreign…

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Q: The relational schema shown below is part of a hospital database. The primary keys are highlighted…

A: (1) List all the patients’ details, alphabetically by name. SELECT * FROM Patient ORDER BY patName…

Q: 1. Display employees (by name and address) from "Chicago" and with an annual salary between 60000…

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A: SQL queries

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Q: Given the following relational schema (Hint: the bold text represents a primary key), Department…

A: Lets discuss the solution in the next steps

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Q: Given the following relational schema (Hint: the bold text represents a primary key), Department…

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Q: Problem 82 Write a query to display the lowest book cost in the system (Figure P7.82).

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A: Due to the honor code, I can help you with 1st part. For 2nd part resubmit the question   From the…

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A: A library database is a structured collection of information designed to manage and organize…

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A: - We need to design three tables with the requirements of constraints as provided.

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A: Here have to determine about sql query for given problem.

Q: Implement a new independent entity phone in the Sakila database. Attributes and relationships are…

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Q: 1A. Consider the bank database schema as below. loan (loan_number, branch_name, amount) account…

A: Solution is given below :

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A: Solution:    The code for above questions is given below.

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A: Below is the complete solution with explanation in detail for the given question about SQL database…

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Q: The following relational schema forms part of an Employees database. The primary keys are underlined…

A: Actually, database is a used to stores the data\information.

Q: Given the following relational schema (Hint: the bold text represents a primary key),…

A: We are going to write relation algebra query which will find all course named Database Design and…

SQL Query

Structured Query Language is the full form of SQL. It is one of the standard languages to deal with the relational database. It is used to insert, update, delete, and search the records stored in a RDBMS. The relational databases are created and managed by using SQL.