caubert / CSCI_3410 (public) (License: CC BY 4.0) (since 2018-05-16) (hash sha1)
Material for Database Class.
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List of commits:
Subject Hash Author Date (UTC)
Added solution to project 1. de427d78745593ab53dc70e7129b67fee1d4489c aubert@math.cnrs.fr 2020-09-10 19:04:45
Added example for MAX and NULL values. b82a496a5ffbcecaf2c5851f18d1b08ce8732623 aubert@math.cnrs.fr 2020-09-10 13:14:13
Changed SQL code formatting. 6c3cad5a2545f46ab113f7df7a83457857d82ed8 aubert@math.cnrs.fr 2020-09-09 17:04:55
Cleaned code. 5bdb4faed3a83b81257734f1e1aced2890783f04 aubert@math.cnrs.fr 2020-09-03 21:35:41
Added the first project. 564a02887933f2395bc40d7d8a10833f657659fd aubert@math.cnrs.fr 2020-08-28 22:34:08
Week 2 edits, added quiz #1, couple of fixes, replaced single quote with double quotes. 3c9942731678900122088356db3a2cbabd99b9be aubert@math.cnrs.fr 2020-08-27 19:00:13
Added ressource for makefile. 7696c44bca707646530a7dbb71bf2e05badaa306 aubert@math.cnrs.fr 2020-08-03 16:00:23
Crystal's final edits. 714e3030423a836c4ba07890f9aa5e45f58ad15a aubert@math.cnrs.fr 2020-05-21 17:43:26
Converted an image into a figure (Movie example). c55e61ed5d11631e908d99b14ef10a0a0247bda0 aubert@math.cnrs.fr 2020-05-20 20:58:41
Re-formatted SQL code. 915442a1ba4d8baa120343f98de5ee39d4ac45f6 aubert@math.cnrs.fr 2020-05-18 15:52:06
Fixed Known_bugs 5900c572928ec3b8c98c82fe4e95ebbe9aeee6c3 aubert@math.cnrs.fr 2020-05-15 18:19:36
Fixed contrib and enriched example. 04864c0ee2d4fa77b4e681ebf8049c4642bf1e67 aubert@math.cnrs.fr 2020-05-15 18:17:22
Fixed formatting mistake. 948a87c75b5d9aa8317feb5a0859d4efc23e95d6 aubert@math.cnrs.fr 2020-05-15 17:58:40
Cleaned SQL code. 4d39ebc5c1a3566ef4d3fa7afc8b2868f827c108 aubert@math.cnrs.fr 2020-05-15 17:41:00
Fixing few mistakes in code. b7eb7a0e476f8e0c3c6d3e651fd80827a03dd127 aubert@math.cnrs.fr 2020-05-15 17:38:32
Fixing few mistakes in code. 2bc77d7ee4e82e6961ce123fb7c3e1c68cba59b5 aubert@math.cnrs.fr 2020-05-15 17:30:02
Testing and indenting SQL code. a2b3bb4e242dd4980b94b25d11d6001459e2f0a0 aubert@math.cnrs.fr 2020-05-15 17:26:27
Clarified an example. e68bac453ab427c132b55249e21a08166b112f31 aubert@math.cnrs.fr 2020-05-15 15:06:54
Edits in style. 47578b081f74e9ec706772fa70a3079957129542 aubert@math.cnrs.fr 2020-05-15 14:38:16
Added activity diagram. 11c9acfa88c398f7463d6e54f45ea48c8793caf1 aubert@math.cnrs.fr 2020-05-15 14:34:31
Commit de427d78745593ab53dc70e7129b67fee1d4489c - Added solution to project 1.
Author: aubert@math.cnrs.fr
Author date (UTC): 2020-09-10 19:04
Committer name: aubert@math.cnrs.fr
Committer date (UTC): 2020-09-10 19:04
Parent(s): b82a496a5ffbcecaf2c5851f18d1b08ce8732623
Signer:
Signing key:
Signing status: N
Tree: db0a65ac1973d12f6827e095ba7f007e0f4cf988
File Lines added Lines deleted
notes/code/sql/HW_Capstone.sql 111 0
notes/code/sql/HW_CapstoneSol.sql 55 43
notes/code/sql/HW_TextbookAuthoredSol.sql 6 3
notes/lectures_notes.md 56 0
File notes/code/sql/HW_Capstone.sql added (mode: 100644) (index 0000000..ba0282a)
1 /* code/sql/HW_Capstone.sql */
2
3 DROP SCHEMA IF EXISTS HW_CAPSTONE;
4
5 CREATE SCHEMA HW_CAPSTONE;
6
7 USE HW_CAPSTONE;
8
9 CREATE TABLE STUDENT (
10 FName VARCHAR(50),
11 Id CHAR(13) PRIMARY KEY,
12 GraduationYear INT,
13 GraduationSemester ENUM ("Fall", "Spring", "Summer")
14 );
15
16 CREATE TABLE PROGRAMMING_LANGUAGE (
17 NAME VARCHAR(50) PRIMARY KEY,
18 Licence VARCHAR(50)
19 );
20
21 CREATE TABLE PROJECT (
22 CodeName VARCHAR(50),
23 Leader CHAR(13),
24 PRIMARY KEY (CodeName, Leader),
25 FOREIGN KEY (Leader) REFERENCES STUDENT (Id)
26 );
27
28 CREATE TABLE USED_LANGUAGE (
29 ProjectCodeName VARCHAR(50),
30 ProjectLeader CHAR(13),
31 UsedLanguage VARCHAR(50),
32 PRIMARY KEY (ProjectCodeName, ProjectLeader, UsedLanguage),
33 FOREIGN KEY (ProjectCodeName, ProjectLeader) REFERENCES
34 PROJECT (CodeName, Leader),
35 FOREIGN KEY (UsedLanguage) REFERENCES PROGRAMMING_LANGUAGE (NAME)
36 );
37
38
39 /*
40 */
41 INSERT INTO STUDENT
42 VALUES (
43 "Mary",
44 "0123456789100",
45 2025,
46 "Summer"),
47 (
48 "Steve",
49 "0000000000000",
50 2025,
51 "Fall"),
52 (
53 "Claude",
54 "9999999999999",
55 2024,
56 "Fall"),
57 (
58 "Meghan",
59 "0987654321098",
60 2023,
61 "Spring");
62
63 INSERT INTO PROGRAMMING_LANGUAGE
64 VALUES (
65 "Rust",
66 "MIT"),
67 (
68 ".NET Core",
69 "MIT"),
70 (
71 "Racket",
72 "LGPL"),
73 (
74 "Python",
75 "PSF");
76
77 -- Taken from
78 -- https://en.wikipedia.org/wiki/Comparison_of_open-source_pr
79 -- ogramming_language_licensing
80
81 INSERT INTO PROJECT
82 VALUES (
83 "Brick Break",
84 "0123456789100"),
85 (
86 "Brick Break",
87 "0000000000000"),
88 (
89 "Grade Calculator",
90 "0123456789100"),
91 (
92 "Undecided",
93 "9999999999999");
94
95 INSERT INTO USED_LANGUAGE
96 VALUES (
97 "Brick Break",
98 "0123456789100",
99 "Rust"),
100 (
101 "Brick Break",
102 "0000000000000",
103 ".NET Core"),
104 (
105 "Brick Break",
106 "0000000000000",
107 "Python"),
108 (
109 "Grade Calculator",
110 "0123456789100",
111 "Racket");
File notes/code/sql/HW_CapstoneSol.sql renamed from notes/code/sql/HW_Captone.sql (similarity 74%) (mode: 100644) (index 84121f6..90524f2)
1 /* code/sql/HW_CaptoneSol.sql */
2 /*
3 *
4 * Look for "FILL HERE"
5 *
6 */
7 /*
8 *
9 * DO **NOT** EDIT THE CODE BELOW
10 *
11 */
12 1 DROP SCHEMA IF EXISTS HW_CAPSTONE; DROP SCHEMA IF EXISTS HW_CAPSTONE;
13 2
14 3 CREATE SCHEMA HW_CAPSTONE; CREATE SCHEMA HW_CAPSTONE;
 
... ... VALUES (
131 117 /* /*
132 118 * You can start editing starting here. * You can start editing starting here.
133 119 */ */
120
121 -- start snippet solution
122 /*
123 code/sql/HW_CapstoneSol.sql
124 */
125
134 126 /* /*
135 127
136 128 I. Short Questions (6 pts) I. Short Questions (6 pts)
 
... ... Answer the following short questions based on the model implemented above.
139 131 You can simply answer "True" or "False", or justify your reasoning (e.g. with code). You can simply answer "True" or "False", or justify your reasoning (e.g. with code).
140 132 */ */
141 133 -- 1. Can a project uses multiple programming languages? -- 1. Can a project uses multiple programming languages?
134 -- Yes.
142 135 -- 2. Can a student be the leader of multiple projects? -- 2. Can a student be the leader of multiple projects?
136 -- Yes.
143 137 -- 3. Can multiple projects have the same code name? -- 3. Can multiple projects have the same code name?
138 -- Yes.
144 139 -- 4. Could Claude simply enter NULL for the value of -- 4. Could Claude simply enter NULL for the value of
145 140 -- his -- his
146 141 -- project's code name, since he's undecided? -- project's code name, since he's undecided?
142 -- No.
147 143 -- 5. Can a project be created without project leader? -- 5. Can a project be created without project leader?
144 -- No.
148 145 -- 6. Can we know who is working on a project without -- 6. Can we know who is working on a project without
149 146 -- being -- being
150 147 -- its leader? -- its leader?
148 -- No.
151 149 /* /*
152 150
153 151 II. Relational Model (6 pts.) II. Relational Model (6 pts.)
 
... ... The first question is answered as an example.
174 166 SELECT Name SELECT Name
175 167 FROM PROGRAMMING_LANGUAGE; FROM PROGRAMMING_LANGUAGE;
176 168
169 -- 1. Write a command that insert a new student in the
177 170 -- STUDENT table. -- STUDENT table.
178 171 -- (You should invent the values). -- (You should invent the values).
172 INSERT INTO STUDENT
173 VALUES (
174 "Bob",
175 "0987654321234",
176 NULL,
177 NULL);
178
179 -- 2. Write a command that updates the code name of the
179 180 -- project ("Undecided", "9999999999999") to "VR in ER". -- project ("Undecided", "9999999999999") to "VR in ER".
181 UPDATE
182 PROJECT
183 SET CodeName = "VR in ER"
184 WHERE CodeName = "Undecided"
185 AND Leader = "9999999999999";
186
187 -- 3. Write a command that updates the graduation year of the
188 -- student whose id is "0987654321098" to 2024, and the
180 189 -- semester to "Fall". -- semester to "Fall".
190 UPDATE
191 STUDENT
192 SET GraduationYear = 2024,
193 GraduationSemester = "Fall"
194 WHERE id = "0987654321098";
195
196 -- 4. Write a command that changes the STUDENT table to make
181 197 -- it impossible to enter NULL for the first name of a -- it impossible to enter NULL for the first name of a
182 198 -- student, without changing the primary key. -- student, without changing the primary key.
199 ALTER TABLE STUDENT MODIFY FName VARCHAR(50) NOT NULL;
200
201 -- 5. Write a command that changes the datatype of
183 202 -- GraduationYear to SMALLINT. -- GraduationYear to SMALLINT.
203 ALTER TABLE STUDENT MODIFY GraduationYear SMALLINT;
204
205 -- 6. Write a command that adds an attribute "ReleaseDate" to
206 -- the PROJECT table.
207 ALTER TABLE PROJECT
208 ADD COLUMN ReleaseDate DATE;
209
210 -- 6.bis If you managed to write the previous command
184 211 -- correctly, write a command that sets the release date -- correctly, write a command that sets the release date
185 212 -- of -- of
186 213 -- the project ("Brick Break", "0123456789100") to the -- the project ("Brick Break", "0123456789100") to the
187 214 -- 26th -- 26th
188 215 -- of November 2022. -- of November 2022.
216 UPDATE
217 PROJECT
218 SET ReleaseDate = DATE "20221126"
219 WHERE CodeName = "Brick Break"
220 AND Leader = "0123456789100";
221
222 -- 7. Write a command that makes it impossible for a student
189 223 -- to be the leader in more than one project -- to be the leader in more than one project
190 224 -- (This command should return an error) -- (This command should return an error)
225 -- ALTER TABLE PROJECT ADD UNIQUE (Leader);
File notes/code/sql/HW_TextbookAuthoredSol.sql changed (mode: 100644) (index 7cc3d53..d7dbadf)
... ... VALUES (
65 65 'Tony'); 'Tony');
66 66
67 67
68 /*
69 START EDITING
70 start snippet solution
68
69
70 -- start snippet solution
71
72 /*
71 73 code/sql/HW_TEXTBOOK_AUTHORED_SOL.sql code/sql/HW_TEXTBOOK_AUTHORED_SOL.sql
72 74 */ */
75
73 76 /* /*
74 77 EXERCISE 1 EXERCISE 1
75 78
File notes/lectures_notes.md changed (mode: 100644) (index 1602067..bbdc8de)
... ... marks the (usual) separation between two lectures.
105 105 To give you a sense of what you will be asked during the exams, or simply to practise, please find below the exams given previous semesters, in reverse chronological order. To give you a sense of what you will be asked during the exams, or simply to practise, please find below the exams given previous semesters, in reverse chronological order.
106 106 The quizzes are not indicated, but were generally a mix of up to five exercises and one problem from the relevant chapter(s). The quizzes are not indicated, but were generally a mix of up to five exercises and one problem from the relevant chapter(s).
107 107
108 ### Fall 2020 {-}
109
110 - Project #1: [%D %n (%T)](#problem:project1bis)
111
108 112 ### Spring 2020 {-} ### Spring 2020 {-}
109 113
110 114 Due to the Covid-19 pandemic, only one exam took place, and the final exam was taken remotely on D2L. Due to the Covid-19 pandemic, only one exam took place, and the final exam was taken remotely on D2L.
 
... ... Problem (A simple database for authors of textbooks) +.#project1
4063 4067
4064 4068 --- ---
4065 4069
4070 ---
4071
4072 Problem (A simple database for capstone projects) +.#project1bis
4073 ~
4074
4075 Consider the following code:
4076
4077
4078 ```{.sqlmysql .numberLines include=code/sql/HW_Capstone.sql}
4079 ```
4080 The meaning of the USED_LANGUAGE table is that a tuple  $< N, L, U>$ represents the fact that the project whose code name is $N$ and whose leader is $L$ uses the programming language $U$.
4081
4082 @problem:project1bis -- Question -.#
4083
4084 : Answer the following short questions based on the model implemented above.
4085 You can simply answer "True" or "False", or justify your reasoning (e.g. with code).
4086
4087 #. Can a project uses multiple programming languages?
4088 #. Can a student be the leader of multiple projects?
4089 #. Can multiple projects have the same code name?
4090 #. Could Claude simply enter NULL for the value of his project's code name, since he's undecided?
4091 #. Can a project be created without project leader?
4092 #. Can we know who is working on a project without being its leader?
4093
4094 @problem:project1bis -- Question -.#
4095
4096 ~ Draw the relational model corresponding to this code.
4097
4098 @problem:project1bis -- Question -.#
4099
4100 : Write the following commands.
4101
4102 #. Write a command that insert a new student in the STUDENT table.
4103 #. Write a command that updates the code name of the project ("Undecided", "9999999999999") to "VR in ER".
4104 #. Write a command that updates the graduation year of the student whose id is "0987654321098" to 2024, and the semester to "Fall".
4105 #. Write a command that changes the STUDENT table to make it impossible to enter NULL for the first name of a student, without changing the primary key.
4106 #. Write a command that changes the datatype of GraduationYear to SMALLINT.
4107 #. Write a command that adds an attribute "ReleaseDate" to the PROJECT table.
4108 #. If you managed to write the previous command correctly, write a command that sets the release date of the project ("Brick Break", "0123456789100") to the 26th of November 2022.
4109 #. Write a command that makes it impossible for a student to be the leader in more than one project
4110
4111 ---
4112
4066 4113 Problem (A database for residencies) +.#residency Problem (A database for residencies) +.#residency
4067 4114 ~ ~
4068 4115
 
... ... Solution to [%D %n (%T)](#problem:project1)
4733 4780
4734 4781 --- ---
4735 4782
4783 Solution to [%D %n (%T)](#problem:project1bis)
4784 ~
4785 The answers can be found in the following snippet:
4786
4787 ```{.sqlmysql .numberLines include=code/sql/HW_CapstoneSol.sql snippet=solution}
4788 ```
4789
4790 ---
4791
4736 4792 Solution to [%D %n (%T)](#problem:residency) Solution to [%D %n (%T)](#problem:residency)
4737 4793 ~ ~
4738 4794 The file [code/sql/HW_ResidencySol.sql](https://rocketgit.com/user/caubert/CSCI_3410/source/tree/branch/master/blob/notes/code/sql/HW_ResidencySol.sql) contains the solution to the code part of this problem. The file [code/sql/HW_ResidencySol.sql](https://rocketgit.com/user/caubert/CSCI_3410/source/tree/branch/master/blob/notes/code/sql/HW_ResidencySol.sql) contains the solution to the code part of this problem.
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