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 an example of batch processing of prepared statement. c206f2899162396a7f391728db8be23031253454 caubert 2021-03-31 13:38:48
Fixed pb (CONSULTATION relation: justification, primary key and normal form) 14aef6161421064f879c5fe803abb4836eebba0a caubert 2021-03-25 20:58:59
Fixed pb (CONSULTATION relation: justification, primary key and normal form) be645c3e4215fd02ed089b843582d8c870525366 caubert 2021-03-25 20:55:34
Fixes in the DB app chapter. 50082333323792958b213f9b0e5e7dc3a2ed47c5 caubert 2021-03-24 18:46:24
Fixed some include code. 9caf6bc12caded947f222cb03fa0c1b10f2c8041 caubert 2021-03-24 13:11:20
Added question from quiz #3 7426197119517bff992e7753174de82ae3ff7ed7 caubert 2021-03-22 16:37:09
Added instructions in case the server time zone is off. 6f845eee2eec6538a18e6e64fa5e140039aa4482 caubert 2021-03-22 14:32:00
Added a reference to UML. 7b36cee0763b42c481474181423020cb600123fd caubert 2021-03-17 13:59:50
Some notes in DB applications added. 3535d187737aea90413e73489729a4a64ce89f80 caubert 2021-03-17 13:55:48
Fixed typo cfc6ac63d8ed0d0a2b9f4f530524d4723f5baae6 caubert 2021-03-12 18:36:32
fixed couple of typos. 6191d6cc01638c07ab0b48a086718fc2440fa367 caubert 2021-03-12 18:31:47
Added quiz #2$ ff134e831427d6e24603af76be52576928dae301 caubert 2021-03-01 19:51:12
Added missing file. d7f2b8ceb14456db8ee2857fcd2b9445bcff1f95 caubert 2021-02-16 18:54:57
Added more complex queries and triggers for HW_Vaccine. 1b133f143e9c6fec72271de28345df39689235f8 caubert 2021-02-09 20:23:30
Added project 1 and its solution. 14f03a1733c084b26dbc72c009e2b7b832ed8643 caubert 2021-02-06 21:46:04
Added project 1 and its solution. b7a31871ebccbf4caff81d9d57ed6847f4dc5543 caubert 2021-02-06 21:45:24
Added simple examples for SQL. 4ea62f6930ff19bcff8d406d95c9cd84c0f0216d caubert 2021-02-02 22:24:41
Added first project. e851058cc58a9d47ada9970f8b914e798c7d2ce7 caubert 2021-01-27 19:57:12
Few typos. 45ba15cd03fab4388439b617c656f52b2ec96319 caubert 2021-01-26 20:08:24
Small fix in code. 7860e391d0bbe82336b8f05585f846e829d181b1 caubert 2021-01-26 18:55:17
Commit c206f2899162396a7f391728db8be23031253454 - Added an example of batch processing of prepared statement.
Author: caubert
Author date (UTC): 2021-03-31 13:38
Committer name: caubert
Committer date (UTC): 2021-03-31 13:38
Parent(s): 14aef6161421064f879c5fe803abb4836eebba0a
Signer:
Signing key:
Signing status: N
Tree: 4321e993bf1009aafe4452b84a8b6035673ae4da
File Lines added Lines deleted
notes/code/java/BatchPreparedStatements.java 40 0
notes/lectures_notes.md 11 1
File notes/code/java/BatchPreparedStatements.java added (mode: 100644) (index 0000000..12cb00c)
1 // code/java/BatchPreparedStatements.java
2
3 // java.util.Scanner is an API to read from the keyboard.
4 import java.sql.*;
5
6 public class BatchPreparedStatements {
7 public static void main(String[] args) {
8 try (Connection conn =
9 DriverManager.getConnection(
10 "jdbc:mysql://localhost:3306/?user=testuser&password=password"
11 + "&allowMultiQueries=true");
12 Statement stmt =
13 conn.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE, ResultSet.CONCUR_READ_ONLY); ) {
14 stmt.addBatch("DROP SCHEMA IF EXISTS HW_BATCH_PREPARED");
15 stmt.addBatch("CREATE SCHEMA HW_BATCH_PREPARED");
16 stmt.addBatch("USE HW_BATCH_PREPARED");
17 stmt.addBatch("CREATE TABLE TEST(ID INT PRIMARY KEY)");
18 stmt.executeBatch();
19
20 // start snippet batchprepared
21 PreparedStatement ps = conn.prepareStatement("INSERT INTO TEST VALUES (?);");
22 for (int i = 0; i < 10; i++) {
23 ps.setInt(1, i);
24 ps.addBatch();
25 }
26
27 ps.executeBatch();
28 // endsnippet batchprepared
29
30 // Note that there is no need to execute the clearBatch() method
31 // afterward, as the batch is automatically cleared.
32 // Cf. https://docs.oracle.com/javase/8/docs/api/java/sql/Statement.html#clearBatch--
33
34 ps.executeBatch(); // Does nothing, the batch have been emptied.
35
36 } catch (SQLException ex) {
37 ex.printStackTrace();
38 }
39 }
40 }
File notes/lectures_notes.md changed (mode: 100644) (index 54f6de7..019a5e0)
... ... A typical (meeting twice a week, ±17 weeks, ±30 classes) semester is divided a
128 128 - Lecture 17--20: [Guidelines and Normal Form](#guidelines-and-normal-form) - Lecture 17--20: [Guidelines and Normal Form](#guidelines-and-normal-form)
129 129 - Lecture 21--22: [Unified Modeling Language Diagram](#unified-modeling-language-diagrams) - Lecture 21--22: [Unified Modeling Language Diagram](#unified-modeling-language-diagrams)
130 130 - Lecture 23--24: Review session and Exam #2 - Lecture 23--24: Review session and Exam #2
131 - Lecture 25--18: [Database Applications](#databases-applications)
131 - Lecture 25--28: [Database Applications](#databases-applications)
132 132 - Lecture 29--30: [Presentation of NoSQL](#presentation-of-nosql) - Lecture 29--30: [Presentation of NoSQL](#presentation-of-nosql)
133 133
134 134 For information purposes, an indication like this: For information purposes, an indication like this:
 
... ... As an example of how to technically declare and use a procedure from an applicat
9020 9020 ```{.java .numberLines .includeLink include=code/java/CallProcedure.java} ```{.java .numberLines .includeLink include=code/java/CallProcedure.java}
9021 9021 ``` ```
9022 9022
9023 ## Making It Your Own
9024
9025 Now that you have reviewed some of the tools and options in the API, you can start programming and naviguating the [documentation](on your own).
9026 As an exercise, you can try to combine prepared statements and batch processing on your own.
9027 It is actually fairly immediate!
9028
9029 ```{.java .numberLines .includeLink include=code/java/BatchPreparedStatements.java snippet=batchprepared}
9030 ```
9031
9032
9023 9033
9024 9034 ## Exercises {-} ## Exercises {-}
9025 9035
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