SQL-152: Storing images in MySQL

mysql-queries/mysql-images/images.sql

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+-- SQL Script for the article Images in MySQL
+
+-- Change schema to University
+USE University;
+
+-- Check max image size you can upload
+SHOW VARIABLES LIKE 'max_allowed_packet';
+SHOW VARIABLES LIKE 'secure_file_priv';
+
+-- Grant access
+GRANT ALL PRIVILEGES ON *.* TO 'root'@'localhost' WITH GRANT OPTION;
+FLUSH PRIVILEGES;
+
+-- DIRECT STORAGE
+
+-- Create Tables
+CREATE TABLE DepartmentComplete
+(
+    id INT PRIMARY KEY NOT Null,
+    name VARCHAR (50),
+    code VARCHAR (4),
+    logo BLOB,
+    UNIQUE (id)
+);
+
+CREATE TABLE StudentComplete
+(
+    id INT PRIMARY KEY NOT null,
+    name VARCHAR (60),
+    national_id BIGINT NOT Null, 
+    birth_date DATE,
+    enrollment_date DATE,
+    graduation_date DATE,
+    gpa FLOAT,
+    profile_pic BLOB,
+    UNIQUE (id)
+);
+
+-- Adding data for DepartmentComplete 
+INSERT INTO DepartmentComplete (id, name, code, logo) VALUES
+  (1, 'Computer Science', 'CS', LOAD_FILE('/usr/local/mysql/data/cs_logo.png')),
+  (2, 'Electronics and Communications', 'EC', LOAD_FILE('/usr/local/mysql/data/ece_logo.png')),
+  (3, 'Social Sciences', 'SS', LOAD_FILE('/usr/local/mysql/data/ss_logo.png')),
+  (4, 'Computational Biology', 'CB', LOAD_FILE('/usr/local/mysql/data/cb_logo.png')),
+  (5, 'Mathematics', 'MA', LOAD_FILE('/usr/local/mysql/data/ma_logo.png'));
+
+-- Adding data for StudentComplete
+INSERT INTO StudentComplete (id, name, national_id, birth_date, enrollment_date, graduation_date, gpa, profile_pic) VALUES
+  (1001, 'John Liu', 123345566, '2001-04-05', '2020-01-15', '2024-06-15', 4, LOAD_FILE('/usr/local/mysql/data/john_pp.jpeg')),
+  (1003, 'Rita Ora', 132345166, '2001-01-14', '2020-01-15', '2024-06-15', 4.2, LOAD_FILE('/usr/local/mysql/data/rita_pp.jpeg')),
+  (1007, 'Philip Lose', 321345566, '2001-06-15', '2020-01-15', '2024-06-15', 3.8, LOAD_FILE('/usr/local/mysql/data/philip_pp.jpeg')),
+  (1010, 'Samantha Prabhu', 3217165566, '2001-03-21', '2020-01-15', '2024-06-15', 4.9, LOAD_FILE('/usr/local/mysql/data/cs_logo.png')),
+  (1011, 'Vikas Jain', 321345662, '2001-7-18', '2020-01-15', NULL, 3.3, LOAD_FILE('/usr/local/mysql/data/vikas_pp.jpeg'));
+
+SELECT * from DepartmentComplete;
+
+SELECT * from StudentComplete;
+
+-- INDIRECT STORAGE
+-- Alter Table DepartmentComplete to drop logo
+ALTER TABLE DepartmentComplete
+DROP COLUMN logo;
+
+-- Alter Table DepartmentComplete to add logo_path
+ALTER TABLE DepartmentComplete 
+ADD logo_path VARCHAR (256);
+
+-- Alter Table StudentComplete to drop profile_pic
+ALTER TABLE StudentComplete
+DROP COLUMN profile_pic;
+
+-- Alter Table StudentComplete to add profile_pic_path
+ALTER TABLE StudentComplete 
+ADD profile_pic_path VARCHAR (256);
+
+
+-- Update data 
+UPDATE DepartmentComplete SET logo_path='/usr/local/mysql/data/cs_logo.png' WHERE code ='CS'; 
+UPDATE DepartmentComplete SET logo_path='/usr/local/mysql/data/ece_logo.png' WHERE code ='EC'; 
+UPDATE DepartmentComplete SET logo_path='/usr/local/mysql/data/ss_logo.png' WHERE code ='SS'; 
+UPDATE DepartmentComplete SET logo_path='/usr/local/mysql/data/cb_logo.png' WHERE code ='CB'; 
+UPDATE DepartmentComplete SET logo_path='/usr/local/mysql/data/ma_logo.png' WHERE code ='MA'; 
+
+UPDATE StudentComplete SET profile_pic_path='/usr/local/mysql/data/john_pp.jpeg' WHERE name ='John Liu'; 
+UPDATE StudentComplete SET profile_pic_path='/usr/local/mysql/data/rita_pp.jpeg' WHERE name ='Rita Ora'; 
+UPDATE StudentComplete SET profile_pic_path='/usr/local/mysql/data/philip_pp.jpeg' WHERE name ='Philip Lose'; 
+UPDATE StudentComplete SET profile_pic_path='/usr/local/mysql/data/samantha_pp.jpeg' WHERE name ='Samantha Prabhu'; 
+UPDATE StudentComplete SET profile_pic_path='/usr/local/mysql/data/vikas_pp.jpeg' WHERE name ='Vikas Jain'; 
+
+-- END