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MySQL Tutorial Introduction to Database

Learning Objectives ,[object Object],[object Object],[object Object],[object Object],[object Object]

Introduction of MySQL ,[object Object],[object Object],[object Object],[object Object]

Part1: SQL used for Data Definition ,[object Object],[object Object],[object Object],[object Object]

Domain Types in SQL ,[object Object],Integer (a machine-dependent finite subset of the integers) INTEGER Double-precision floating point number DOUBLE(M,D) Floating point number, with total number of digits M and number of digits following the decimal point D FLOAT(M,D) A small integer (a finite subset of INTEGER ) SMALLINT(n) Variable length character string, with specified maximum length n VARCHAR(n) Fixed length character string, with specified length n CHAR(n) Description Type

CREATE DATABASE ,[object Object],[object Object],[object Object],[object Object]

CREATE TABLE ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Integrity constraint

DROP and ALTER TABLE ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Part2: Modifying the database ,[object Object],DELETE FROM table_name WHERE tuple_selection_predicate Remove tuples UPDATE table_name SET A 1 =val 1 , A 2 =val 2 , …, A n =val n WHERE tuple_selection_predicate Change tuples INSERT INTO table_name VALUES (Val 1 , Val 2 , … , Val n ) Add a tuple

INSERTION ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

UPDATE ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

DELETION ,[object Object],[object Object],[object Object],[object Object],[object Object]

Part3: Basic Query Structure ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

The SELECT Clause – Duplicate tuples ,[object Object],[object Object],[object Object],[object Object],[object Object]

The SELECT Clause – Expressions, as ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

The WHERE Clause ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Aggregate Functions ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Aggregation: GROUP BY clause ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Null Values and Aggregate ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Resource ,[object Object],[object Object],[object Object],[object Object]

Banking Example ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Command for accessing MySQL ,[object Object],[object Object],[object Object],[object Object],[object Object]

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