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Published byElfreda Charles Modified over 8 years ago
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SQL - Training Rajesh Charles
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Agenda (Complete Course) Introduction Testing Methodologies Manual Testing Practical Workshop Automation Testing Practical Workshop Performance Testing Practical Workshop SQL for Beginners Quality Center UNIX for Beginners Interview Practice and Mock Interview
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SQL– Introduction Tester
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SQL– Introduction
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DataBase– Introduction
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DataBase– HR Schema
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DataBase– (DML) Data Manipulation Language (DML) Create Database Create Table and Add Columns Alter Table
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DataBase– Primary Key The Primary Key uniquely identifies each record in a database table Primary Key must contain unique values A Primary Key column cannot contain NULL values Each Table should have a primary key and each table can have only ONE primary key
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DataBase– FOREIGN KEY Foreign key is a field in the table that is primary key in another table Foreign key can accept multiple null value. We can have more than one foreign key table
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SQL - Functions
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SQL – Number Functions
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SQL – Date Functions The Default data format is DD-MON-YYYY
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SQL – Group Functions
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DataBase– SQL Capabilities
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SQL – JOINS SQL JOINS are used to retrieve data from multiple tables An SQL JOIN is performed whenever two or more tables are joined in a SQL statement
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SQL – JOINS
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JOINS Inner JoinsOuter Joins Also called Simple JoinLeft Outer Join ( called Left Join) Right Outer Join ( called Right Join) Full Outer Join ( Full Join)
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SQL – JOINS
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SQL – INNER JOINS
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SQL – LEFT OUTER JOIN
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