A. 1 How many primary key in the Flight entity? B. 5 How many tables in the system can Customer table

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A: According to the question below the solution:

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A: Country table has primary key Cname.

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Q: EER diagram into relational database schema

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A: Actually all this three concept are related to database.

Q: prima and foreign keys (arrows) must be identified. BANK BRANCHES BANK BRANCH Code Name Addr Addr…

A: Answers If you have any doubts, please give me comment... BANK(Code, Name, Addr);…

Q: Question # 1: Consider the relational database of Figure 1. Write SQL Queries for each of below…

A: Relational Database: A relational database is a collection of tables of which the tables are related…

Q: Please convert following figure into a relational schema. In each table, the primary key and foreign…

A: Here entity branch is a weak entity and therefore it will include primary key of bank as prime…

Q: Consider the data warehouse schema depicted in Figure 11.2. Give an SQLquery to summarize sales…

A:

Q: The Ch03_NoComp database EMPLOYEE table Table name: EMPLOYEE EMP_NUM EMP_LNAME EMP_INITIAL EMP_FNAME…

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Q: Question:1 Show all data from employee table where name should be in ascending and salary in…

A: Since you have not provided the database name to write the SQL query so I am using MySQL database to…

Q: Please convert following figure into a relational schema. In each table, the primary key and foreign…

A: ANSWER:-

Q: What is the purpose of target tables?   What kind of information do they offer?

A: Intro Purpose and information given by target table Target table is the place where the data is…

Q: What is Order Header and Order Detail tables in Database.

A: Given,What is Order Header and Order Detail tables in Database.

Q: 35. Key to represent relationship between tables is called a. Primary key b. Secondary Key c.…

A: Please find the answer to the above question below:

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A: Introduction    Given, An ER diagram . We have to calculate the minimum number of relation required…

Q: What is a primary key? How important is the primary key in setting a relationship between tables?

A: A Key is a set of attributes that can identify each tuple uniquely of the given relation They used…

Q: i) manufacturer → model Answer: i) MID — сараcity Answer: iii) model → capacity Answer: iv) MID →…

A:

Q: Describe the characteristics of a table that is in third normal form (3NF).

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A: The relational schema has been given in step 2.

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A: What is SQL ? SQL is a domain-specific language used in programming and designed for managing data…

Q: Model to Rela

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Q: Mapping: Create relational schemas for the ER diagram given below. Indicate clearly the primary and…

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A: In the realm of relational databases, candidate keys play a pivotal role in ensuring the integrity…

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A: Lets see the solution.

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A: Create a view named ACCOUNTANTS that contains the employee number, employee name, and department…

Q: Consider the data warehouse schema depicted in Figure 11.2. Give an SQL query to summarize sales…

A: Explanation: Based on the data warehouse schema depicted, the below query will summarize the sales…

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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.