Tools Used in This Course
•Setting Up Course Tools
•Download PostgreSQL
•Install PostgreSQL
•Download SQLectron
•Install SQLectron
•Connect to PostgreSQL – Credentials
•Connect to PostgreSQL Using SQLectron
•Import Course Data Using SQLectron
•FOR WINDOWS 32-BIT USERS: SQL Alternative – DBeaver
•FOR WINDOWS 32-BIT USERS: Download, Install, Configure & Import Data
•Browsing & Filtering Data
•Check Imported Data
•So.. What is a Database?
•SQL Data Types
•Finally Some Fun! Extracting Data Based on Requirements
•Filtering Data using WHERE Keyword
•Filter Data by Range Using BETWEEN
•Filter Data by Set of Values Using IN
•Filter Data by Date
•More Filtering by Date
•Another Query Filtering by Date
•Filter Data by Strings (Names, Addresses, …)
•More Filtering by Strings
•More Filtering by Strings 2
•More Filtering by Strings 3
•How to Ignore Caps when Filtering by String
•Filter Data with AND, OR, NOT Operators
•AND Operator
•OR Operator
•NOT Operator
•AND, OR & NOT Operators: Which Has The Highest Priority?
•Math Operations
•Basic Math Operations
•Modulo Operator
•It’s Payday! Calculate The Net Salary for Employees
•Filter Data with Math Equations
•String Concatenation
•Concatenate Strings with ” Operator
•Concatenate Strings with Numbers
•Tidy Up Your Results: Sorting, Alias Names, Limit Records
•Give Your Report Fields A Cool Name
•A Report for Payroll
•Order Records by Column
•Order Records by Multiple Columns
•How Alias Names Cannot Be Used with WHERE
•LIMIT Record Count Fetched by Your Query
•NULL, DISTINCT & CASE Statements
•Fetch A Field’s Unique Values Using DISTINCT
•Using DISTINCT Keyword with Multiple Columns
•What is a NULL Value Anyway?
•Build More Sophisticated Queries with CASE Statements
•Your Knowledge So Far Under A Great Test
•Functions in SQL: Multiple-Row Functions
•Let Me Introduce You to Functions
•SUM Function
•AVG (Average) Function
•COUNT Function
•MIN & MAX Functions
•How To Count Your Field’s Unique Values
•GROUP BY Clause: Use Functions with Dimensions
•GROUP BY More Than One Dimension
•Now For Some Tough Workout
•Filter By Aggregate Functions with HAVING Clause
•Functions in SQL: Single-Row Functions
•Character Functions – UPPER, LOWER & INITCAP
•Character Functions – CONCAT & LENGTH
•Character Functions – LPAD & RPAD
•Character Functions – TRIM
•Character Functions – REPLACE
•Character Functions – SUBSTR
•Number Functions – MOD & ROUND
•Number Functions – TRUNC
•Nested Queries
•Selectception: A Select Query Inside Another Select Query!
•Casting & Data Conversion
•Auto Data Conversion in SQL
•Cast Date to Character
•Cast Number to Character
•Cast Timestamp to Character
•Cast Character to Number
•Cast Character to Date & Timestamp
•Combination Relationships
•UNION
•UNION ALL
•Important Note about Combining Queries
•INTERSECT
•EXCEPT
•Joins in SQL
•Employees & Departments Tables Revised
•Entity Relationship Diagram (ERD)
•Cartesian Join
•Table Aliases with Joins
•Why I Don’t Recommend Cartesian Joins
•Inner Join
•In-Depth Look into Join Types in SQL
•Outer Join – Right, Left & Full
•Data Manipulation (DML)
•INSERT a New Record to a Table
•Insert Without Specifying Column Names
•UPDATE a Record’s Field Values
•CAUTION! How an UPDATE Query Can Go Wrong
•Update a Record Using Single-Row Functions
•A Good Exercise: Extract Employee’s Email Address
•Hints on How to Extract Employee’s Email Address
•DELETE a Table’s Record
•Insert Records with Nested Select Queries
•SQL Data Definition Language (DDL)
•SQL Data Types Revised
•Bookstore Data Set: Let’s Move It to Database
•Create Your First Table!
•Insert Data to Your New Table
•Change Column Data Type
•Rename Column
•Add a New Column to Table
•Constraints in SQL
•Primary Keys
•NOT NULL Constraint
•UNIQUE Constraint
•DEFAULT Constraint
•Foreign Keys
•Use Foreign Keys with Joins – Books & Publishers
•Foreign Keys – Properties
•Drop Column
•DROP Table
•Create a New Table with Select Statement
•A Trick to Create an Empty Table with Select Statement
•Insert New Records Using Select Statement
•Views
•Schemas
•Create & Use Schemas
•Access Control
•Create User
•Grant SELECT to User
•Grant Insert & Update to User
•Revoke Privilege from User
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