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Database Mysql Hayk Avdalyan
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What is database ?
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Files (txt, excel and etc.)
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Table
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MySQL MySQL Community Server http://dev.mysql.com/downloads/mysql/
MySQL Workbench
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MySQL Create Database Command
Example:
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Create table syntax
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User table example
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INSERT INTO Statement OR
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Insert example
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UPDATE Statement
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Update example 1
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Update example 2
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DELETE Syntax
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Delete example
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Is your brain still with you ?
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SELECT Statement
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And now ?
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Library database
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Authors - Countries many to one relationship one to many relationship
Id Name Country_id Country Id Name one to many relationship
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Create Table Country
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Add countries
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Create Table Authors
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Add authors
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Inner join
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Show all authors and their countries
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Bu ha ha ha …
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Table books Book But Book can have many authors Id Name ISBN
Release_date But Book can have many authors
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Add books
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Many to many
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Solving many to many relationship
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Final Query
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Result
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