Initial Commit

Labs/Lab6/1.sql

@@ -0,0 +1,10 @@
+CREATE TABLE Courses 
+(
+   courseID INT AUTO_INCREMENT,
+   courseNum VARCHAR(10),
+   courseName VARCHAR(40),
+   courseDescription VARCHAR(80),
+   creditHours FLOAT DEFAULT 3.0,
+      CHECK (creditHours BETWEEN 0.0 AND 6.0),
+   PRIMARY KEY(courseID)
+);

Labs/Lab6/10.sql

@@ -0,0 +1,3 @@
+UPDATE Courses
+SET approvedDate = ("2020-7-8")
+where courseID = 1;

Labs/Lab6/11.sql

@@ -0,0 +1,4 @@
+select studentName, courseName, courseDescription, creditHours, letterGrade
+from Students
+natural join Enrollments
+natural join Courses;

Labs/Lab6/12.sql

@@ -0,0 +1,2 @@
+INSERT INTO Students(studentName, email, gpa, dateOfBirth)
+VALUES ('Isaac Shoebottom', 'ir.shoebottom@gmail.com', 3.5, "2002-08-07");

Labs/Lab6/13.sql

@@ -0,0 +1,2 @@
+INSERT INTO Enrollments(studentID, courseID, letterGrade)
+VALUES(1, 1, 'A+');

Labs/Lab6/14.sql

@@ -0,0 +1,2 @@
+INSERT INTO Enrollments(studentID, courseID, letterGrade)
+VALUES(1, 2, 'B');

Labs/Lab6/2.sql

@@ -0,0 +1,11 @@
+CREATE TABLE Students
+(
+	studentID INT AUTO_INCREMENT,
+	studentName VARCHAR(30) NOT NULL,
+	email VARCHAR(40),
+	gpa FLOAT DEFAULT 0.0,
+	PRIMARY KEY (studentID),
+	CONSTRAINT CHECK_GPA
+	   CHECK (gpa BETWEEN 0 and 4.3)
+);
+ALTER TABLE Students ADD dateOfBirth DATETIME;

Labs/Lab6/3.sql

@@ -0,0 +1,11 @@
+CREATE TABLE Enrollments
+(
+studentID INT,
+courseID INT,
+letterGrade CHAR(2),
+PRIMARY KEY(studentID, courseID),
+FOREIGN KEY(studentID)
+   REFERENCES Students(studentID)
+   ON DELETE NO ACTION
+   ON UPDATE CASCADE
+);

Labs/Lab6/4.sql

@@ -0,0 +1,5 @@
+ALTER TABLE Enrollments
+ADD FOREIGN KEY(courseID)
+   REFERENCES Courses(courseID)
+   ON DELETE NO ACTION
+   ON UPDATE CASCADE;

Labs/Lab6/5.sql

@@ -0,0 +1,5 @@
+ALTER TABLE Enrollments
+ADD FOREIGN KEY(studentID)
+   REFERENCES Students(studentID)
+   ON DELETE NO ACTION
+   ON UPDATE CASCADE;

Labs/Lab6/7.sql

@@ -0,0 +1,2 @@
+INSERT INTO Courses(courseNum, courseName, courseDescription, creditHours)
+VALUES ('CS1103', 'Data & Information Management', 'Introduction to Databases', 7);

Labs/Lab6/8.sql

@@ -0,0 +1,2 @@
+INSERT INTO Courses(courseNum, courseName, courseDescription, creditHours)
+VALUES ('CS1303', 'Discrete Structures', 'Computer Science but it\'s math actually', 4);

Labs/Lab6/9.sql

@@ -0,0 +1 @@
+ALTER TABLE Courses ADD approvedDate DATETIME;

Labs/Lab6/lab6 transcript.txt

@@ -0,0 +1,253 @@
+Script started on Thu Mar 11 17:15:35 2021
+]0;ishoebot@gc112m01:~[ishoebot@gc112m01 ~]$ exitlsdwa783987473829y2benjknbfdskbncxknbczxdwadwannd``eexitmysql -u ishoebot -p -h cs1103.cs.unb.ca
+
+Enter password: 
+(BWelcome to the MariaDB monitor.  Commands end with ; or \g.
+(B(BYour MariaDB connection id is 590
+Server version: 5.5.65-MariaDB MariaDB Server
+
+(B(BCopyright (c) 2000, 2018, Oracle, MariaDB Corporation Ab and others.
+
+(B(BType 'help;' or '\h' for help. Type '\c' to clear the current input statement.
+
+(B[?1034hMariaDB [(none)]> uys  se ishoebot
+(BDatabase changed
+(BMariaDB [ishoebot]> CREATE TABLE Students
+    -> (
+    -> studentID INT AUTO_INCREMENT,
+    -> studentName VARCHAR(30) NOT NULL,
+    -> email VARCHAR(40),
+    -> gpa FLOAT DEFAULT 0.0,
+IMAR    -> PRIMARY KEY (studentID)
+    -> CONSTRAINT CHECK_GPA
+    ->    CHECK (gpa BETWEEN 0 and 4.3)
+    -> );
+ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'CONSTRAINT CHECK_GPA
+   CHECK (gpa BETWEEN 0 and 4.3)
+)' at line 8
+(B(BMariaDB [ishoebot]> CREATE TABLE Students
+    -> (
+    -> studentID INT AUTO_INCREMENT,
+    -> studentName VARCHAR(30) NOT NULL,
+    -> email VARCHAR(40),
+    -> gpa FLOAT DEFAULT 0.0,
+    -> PRIMARY KEY (studentID),
+    -> CONSTRAINT CHECK_GPA
+    ->    CHECK (gpa BETWEEN 0 and 4.3)
+    -> );
+(BQuery OK, 0 rows affected (0.00 sec)
+(B(B
+(BMariaDB [ishoebot]> ALTER TABLE Students ADD dateOfBirth DATETIME;
+Stage: 2 of 2 'Enabling keys'      0% of stage done
+                                                   
+(BQuery OK, 0 rows affected (0.01 sec)
+(B(BRecords: 0  Duplicates: 0  Warnings: 0
+(B(B
+(BMariaDB [ishoebot]> CREATE TABLE Enrollments
+    -> (
+    -> studentID INT,
+    -> courseID INT,
+    -> letterGrade CHAR(2),
+    -> PRIMARY KEY(studentID, courseID),
+    -> FOREIGN KEY(studentID)
+    ->    REFERENCES Students(studentID)
+    ->    ON DELETE NO ACTION
+    ->    ON UPDATE CASCADE
+    -> );
+(BQuery OK, 0 rows affected (0.00 sec)
+(B(B
+(BMariaDB [ishoebot]> CREATE TABLE Courses 
+    -> (
+    ->    courseID INT AUTO_INCREMENT,
+    ->    courseNum VARCHAR(10),
+    ->    courseName VARCHAR(40),
+    ->    courseDescription VARCHAR(80),
+creditHours FL    ->    creditHours FLOAT DEFAULT 3.0,
+    ->       CHECK (creditHours BETWEEN 0.0 AND 6.0)
+    ->    PRIMARY KEY(courseID)
+    -> );
+    -> );
+    -> );
+    -> );
+    -> );
+    -> );
+    -> );
+    -> );
+    -> );
+    -> );
+    -> );
+    -> );
+ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'PRIMARY KEY(courseID)
+)' at line 9
+(B(BMariaDB [ishoebot]> CREATE TABLE Courses 
+    -> (
+    ->    courseID INT AUTO_INCREMENT,
+    ->    courseNum VARCHAR(10),
+    ->    courseName VARCHAR(40),
+    ->    courseDescription VARCHAR(80),
+    ->    creditHours FLOAT DEFAULT 3.0,
+    ->       CHECK (creditHours BETWEEN 0.0 AND 6.0),
+EY(courseID    ->    PRIMARY KEY(courseID)
+    -> );
+(BQuery OK, 0 rows affected (0.01 sec)
+(B(B
+(BMariaDB [ishoebot]> ALTER TABLE Enrollments
+    -> (
+    -> FOREIGN KEY(courseID)
+FERE    ->    REFERENCES Courses(courseID)
+    ->    ON DELETE NO ACTION
+    ->    ON UPDATE CASCADE
+    -> );
+ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '(
+FOREIGN KEY(courseID)
+   REFERENCES Courses(courseID)
+   ON DELETE NO ACTION
+ ' at line 2
+(B(BMariaDB [ishoebot]> ALTER TABLE Enrollments
+    -> (
+    -> ADD FOREIGN KEY(courseID)
+    ->    REFERENCES Courses(courseID)
+    ->    ON DELETE NO ACTION
+    ->    ON UPDATE CASCADE
+    -> );
+ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '(
+ADD FOREIGN KEY(courseID)
+   REFERENCES Courses(courseID)
+   ON DELETE NO ACTI' at line 2
+(B(BMariaDB [ishoebot]> ALTER TABLE Enrollments
+    -> FOREIGN KEY(courseID)
+    ->    REFERENCES Courses(courseID)
+    ->    ON DELETE NO ACTION
+    ->    ON UPDATE CASCADE;
+ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'FOREIGN KEY(courseID)
+   REFERENCES Courses(courseID)
+   ON DELETE NO ACTION
+   ' at line 2
+(B(BMariaDB [ishoebot]> ALTER TABLE Enrollments
+    -> ADD FOREIGN KEY(courseID)
+    ->    REFERENCES Courses(courseID)
+    ->    ON DELETE NO ACTION
+    ->    ON UPDATE CASCADE;
+Stage: 2 of 2 'Enabling keys'      0% of stage done
+                                                   
+(BQuery OK, 0 rows affected (0.01 sec)
+(B(BRecords: 0  Duplicates: 0  Warnings: 0
+(B(B
+(BMariaDB [ishoebot]> ALTER TABLE Enrollments
+    -> ADD FOREIGN KEY(StudentID)
+    ->    REFERENCES Students(StudentID)
+    ->    ON DELETE NO ACTION
+    ->    ON UPDATE CASCADE;
+Stage: 2 of 2 'Enabling keys'      0% of stage done
+                                                   
+(BQuery OK, 0 rows affected (0.01 sec)
+(B(BRecords: 0  Duplicates: 0  Warnings: 0
+(B(B
+(BMariaDB [ishoebot]> ALTER TABLE Enrollments
+    -> ADD FOREIGN KEY(studentID)
+    ->    REFERENCES Students(studentID)
+    ->    ON DELETE NO ACTION
+    ->    ON UPDATE CASCADE;
+Stage: 2 of 2 'Enabling keys'      0% of stage done
+                                                   
+(BQuery OK, 0 rows affected (0.01 sec)
+(B(BRecords: 0  Duplicates: 0  Warnings: 0
+(B(B
+(BMariaDB [ishoebot]> ALTER TABLE EN nrollments DROP CONSTRAINT ENrollm      nrollments_ibfk_4
+    -> ;
+ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'CONSTRAINT Enrollments_ibfk_4' at line 1
+(B(BMariaDB [ishoebot]> ;ALTER TABLE Enrollments DROP CONSTRAINT Enrollments_ibfk_4                  studentID;
+ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'CONSTRAINT studentID' at line 1
+(B(BMariaDB [ishoebot]> ALTER TABLE Enrollments DROP CONSTRAINT studentID;
+MariaDB [ishoebot]> ;ALTER TABLE Enrollments DROP CONSTRAINT Enrollments_ibfk_4 4l ;s  DROP CONSTRAINT[1@I[1@N[1@D[1@E[1@X Enrollments_ibfk_4;
+ERROR 1091 (42000): Can't DROP 'Enrollments_ibfk_4'; check that column/key exists
+(B(BMariaDB [ishoebot]> ALTER TABLE Enrollments DROP INDEX Enrollments_ibfk_4;                   St  studentID;
+ERROR 1091 (42000): Can't DROP 'studentID'; check that column/key exists
+(B(BMariaDB [ishoebot]> ALTER TABLE Enrollments DROP INDEX studentID;                constraint                                       slect    elect studentID from Enrollments where                                         atler      lter table student       Enrollments drop coluy    olumn studentID cascade constraints
+    -> ;
+ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'constraints' at line 1
+(B(BMariaDB [ishoebot]> ;alter table Enrollments drop column studentID cascade constraintsmn stttn[1@i[1@n[1@d[1@e[1@x
+    -> ;
+ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'cascade constraints' at line 1
+(B(BMariaDB [ishoebot]> ;alter table Enrollments drop index studentID cascade constraints
+MariaDB [ishoebot]> ;alter table Enrollments drop column studentID cascade constraintss           indexl ;
+ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'index' at line 1
+(B(BMariaDB [ishoebot]> alter table Enrollments drop column studentID cascade index;
+MariaDB [ishoebot]> ;alter table Enrollments drop index studentID cascade constraintsex[1@s[1@t[1@u[1@d studentID cascade constraints;
+ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'constraints' at line 1
+(B(BMariaDB [ishoebot]> drop table Enrollments
+    -> ;
+(BQuery OK, 0 rows affected (0.00 sec)
+(B(B
+(BMariaDB [ishoebot]> CREATE TABLE Enrollments
+    -> (
+    -> studentID INT,
+    -> courseID INT,
+    -> letterGrade CHAR(2),
+    -> PRIMARY KEY(studentID, courseID),
+    -> FOREIGN KEY(studentID)
+    ->    REFERENCES Students(studentID)
+    ->    ON DELETE NO ACTION
+    ->    ON UPDATE CASCADE
+    -> );
+(BQuery OK, 0 rows affected (0.00 sec)
+(B(B
+(BMariaDB [ishoebot]> ALTER TABLE Enrollments
+    -> ADD FOREIGN KEY(courseID)
+    ->    REFERENCES Courses(courseID)
+    ->    ON DELETE NO ACTION
+    ->    ON UPDATE CASCADE;
+Stage: 2 of 2 'Enabling keys'      0% of stage done
+                                                   
+(BQuery OK, 0 rows affected (0.01 sec)
+(B(BRecords: 0  Duplicates: 0  Warnings: 0
+(B(B
+(BMariaDB [ishoebot]> INSERT INTO Courses(courseNum, courseName, courseDescription, creditHours)
+Data & Inform    -> VALUES ('CS1103', 'Data & Information Management', 'Introduction to Databases', 7);
+(BQuery OK, 1 row affected (0.00 sec)
+(B(B
+(BMariaDB [ishoebot]> select * from Courses;
++----------+-----------+-------------------------------+---------------------------+-------------+
+| courseID | courseNum | courseName                    | courseDescription         | creditHours |
++----------+-----------+-------------------------------+---------------------------+-------------+
+|        1 | CS1103    | Data & Information Management | Introduction to Databases |           7 |
++----------+-----------+-------------------------------+---------------------------+-------------+
+(B1 row in set (0.00 sec)
+(B(B
+(BMariaDB [ishoebot]> INSERT INTO Courses(courseNum, courseName, courseDescription, creditHours)
+    -> VALUES ('CS1303', 'Discrete Structures', 'Computer Science but it\'s math actually', 4);
+(BQuery OK, 1 row affected (0.00 sec)
+(B(B
+(BMariaDB [ishoebot]> ALTER TABLE Courses ADD approvedDate DATETIME;
+Stage: 2 of 2 'Enabling keys'      0% of stage done
+                                                   
+(BQuery OK, 2 rows affected (0.01 sec)
+(B(BRecords: 2  Duplicates: 0  Warnings: 0
+(B(B
+(BMariaDB [ishoebot]> UPDATE Courses
+rovedDate = ("2020-7-    -> SET approvedDate = ("2020-7-8")
+    -> where courseID = 1;
+(BQuery OK, 1 row affected (0.00 sec)
+(B(BRows matched: 1  Changed: 1  Warnings: 0
+(B(B
+(BMariaDB [ishoebot]> select studentName, courseName, letterGrade
+    -> from Students
+    -> natural join Enrollments
+    -> natural join Courses;
+(BEmpty set (0.00 sec)
+(B(B
+(BMariaDB [ishoebot]> INSERT INTO Students(studentName, email, gpa, dateOfBirth)
+    -> VALUES ('Isaac Shoebottom', 'ir.shoebottom@gmail.com', 3.5, "2002-08-07");
+(BQuery OK, 1 row affected (0.00 sec)
+(B(B
+(BMariaDB [ishoebot]> INSERT INTO Enrollments(studentID, courseID, letterGrade)
+    -> VALUES(1, 1, '85');
+(BQuery OK, 1 row affected (0.01 sec)
+(B(B
+(BMariaDB [ishoebot]> INSERT INTO Enrollments(studentID, courseID, letterGrade)
+    -> VALUES(1, 2, '95');
+(BQuery OK, 1 row affected (0.01 sec)
+(B(B
+(BMariaDB [ishoebot]> select studentName, courseName, letterGrade
+    -> from Students
+    -> natural join Enrollments