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This document discusses using JSP and SQL to build a web application. It covers using servlets and JavaBeans to handle requests and responses. It also discusses using DAO objects to access a database, and using SQL commands like INSERT to add records to tables. Specific steps shown include creating a database table in Navicat, building JavaBeans with getters and setters, creating a DAO class to insert data, and using servlets to pass objects between the JSP page and DAO class.
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บทที่ 3 การเขียนโปรแกรมติดต่อฐานข้อมูล
This document provides instructions for setting up a MySQL database connection from Java using JDBC. It describes creating a package and class in Java to connect to a MySQL database hosted on localhost. It also explains how to use Navicat to create a new database called "CharacterSet" and a table called "TAP" with an auto-incrementing primary key. The steps then add sample data to the "TAP" table.
บทที่ 5 การเขียนโปรแกรมเพื่อค้นหาและแสดงข้อมูลจากฐานข้อมูล
This document provides instructions on building a basic web application for searching a database table using JSP and servlets. It outlines creating a JSP page to accept search criteria, a servlet to handle the search request and query the database, and using a DAO class to connect to the database and perform SELECT queries with WHERE clauses using operators like = and LIKE. The search results would then be displayed on the JSP page.
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บทที่ 5 การเขียนโปรแกรมเพื่อค้นหาและแสดงข้อมูลจากฐานข้อมูล
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http://www.ivanomalavolta.com
บทที่5
This document discusses Java Server Pages (JSP) and how to perform searches on a database using JSP. It covers key aspects of JSP including using JSP tags to generate HTML, the JSP lifecycle, and separating dynamic and static content. It then discusses using SQL queries in JSP, including SELECT, WHERE, LIKE, and other SQL statements. It provides code examples for the SearchServlet class, MemberDAO class with database methods, and Search.jsp page to allow users to search the database and view results. The document focuses on using JSP and SQL to build a search feature that queries a database and displays results on a web page.
Jsp
This document discusses Java Server Pages (JSP) and how to perform searches on a database using JSP. It covers key aspects of JSP including using JSP tags to generate HTML, the JSP lifecycle, and separating dynamic and static content. It then discusses using SQL queries in JSP, including SELECT, WHERE, LIKE, and other SQL statements. It provides code examples for the JSP search page, Java classes for accessing the database and returning results, and the servlet used to handle searches. The main topics covered are using JSP, SQL queries in JSP, and building a search feature to look up records from a database table.
Database Access With JDBC
contains good explanation on jdbc, connection pooling and connection pooling using c3p0, mysql database software
Local storage in Web apps
Introduction
Web Storage
WebSQL
IndexedDB
File System Access
Final Considerations
This presentation has been developed in the context of the Mobile Applications Development course, DISIM, University of L'Aquila (Italy), Spring 2014.
http://www.ivanomalavolta.com
QTP Automation Testing Tutorial 7
This document provides a summary of automation testing topics covered on day 7, including parameters, environment variables, data tables, and examples of how to use them in tests. Parameters discussed include test, action, random number, and data table parameters. Environment variables can be built-in, user-defined, or stored in an external XML file. Data tables allow running tests with different data multiple times and have global and local sheets. Methods are provided to work with data tables, parameters, and sheets.
NoSQL Best Practices for PostgreSQL / Дмитрий Долгов (Mindojo)
HighLoad++ 2017
Зал «Сингапур», 7 ноября, 18:00
Тезисы:
http://www.highload.ru/2017/abstracts/2980.html
Каждый специалист в области баз данных уже знаком с Jsonb - одной из самых привлекательный фич PostgreSQL, позволяющей эффективно использовать документо-ориентированный подход без необходимости жертвовать консистентностью и возможностью использования проверенных временем подходов реляционных баз данных. Но как именно устроен этот тип данных, какие он имеет ограничения, и какие опасности (a.k.a грабли) можно незаметно для себя получить при работе с ним?
В докладе мы обсудим все эти вопросы, преимущества и недостатки использования Jsonb в различных ситуациях в сравнении с другими существующими решениями. Поговорим также о важных best practices (как писать компактные
запросы и как избежать распространенных и не очень проблем).
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บทที่ 4 การเพิ่มข้อมูลลงฐานข้อมูล
- 1. JSP & SQL
- 4. JavaBean JavaBean java code JSP HTML code JavaBean - Compile - load - Component
- 5. DAO (Data Access Objects)DAO (Data Access Objects) object-oriented programmer database
- 8. SQL SQL 1. Select query 2 Update query 3 Insert query
- 9. INSERT INSERT INTO Tablename (column 1, column 2,…) VALUES ( 'Value1', 'Value2', 'Value..n' )"
- 10. INSERT INTO tablename column 1 Value1 INSERT INTO Tablename (column 1, column 2,…) VALUES ( 'Value1', 'Value2', 'Value..n' )"
- 11. Navicat
- 13. 2. Database cartoonbook Character set utf8 – UTF-8 Unicode Collation utf8_genral_ci
- 15. 4.
- 17. Type int Length Decimals Allow Null
- 18. 6. Fields
- 20. 7. Fields Save
- 21. 8.
- 22. JSP SQL
- 23. Class Bean 1.
- 24. 2. getters setters source > Generate Getters and Setters
- 25. 3. Select All Generate
- 26. 4. Generate
- 31. Code Servlet 1. Object mem Class MembersBean Class MembersBean
- 32. 2. Object memdao Class MembersDAO Class MembersDAO