Database Driven Cache Invalidation doc

... from the cache ● When object modified in app ● When dependent object modified in app ● Cache invalidation Database Application server Cache purge /news/* Database Application server Cache GET ... caching ● Which adds new issues Where to cache ● Many different locations to cache: ● In the database server (buffer cache) ● In the database server (“query cache ) ● In...

Ngày tải lên: 16/03/2014, 16:20

... the MySQL database engine. It’s important to understand how these will fit together. The whole idea of a database driven web site is to allow the content of the site to reside in a database, ... Wrong! ABOUT KEVIN YANK BUILD YOUR OWN DATABASE DRIVEN WEB SITE USING PHP & MYSQL TEACH YOURSELF PHP & MYSQL THE EASY WAY Build Your Own Database Driven Web Site Using PHP &am...

Ngày tải lên: 20/08/2013, 15:35

... hints as to the current health of your database server. Look at the Buffer Cache Hit Ratio . T his shows how often SQL finds needed information in the buffer cache as opposed to making the comparatively ... 2005: Opening the Database Administrator’s Toolbox 1-800-COURSES www.globalknowledge.com Expert Reference Series of White Papers Introduction There are many methods for troubleshoo...

Ngày tải lên: 10/12/2013, 14:15

... connection request to the database; two examples of states are open and closed. You use the Connection object's State property to get the current state of the connection to the database. The State ... Connection is establishing access to the database. Executing The Connection is running a command. Fetching The Connection is retrieving information from the database. Open The Conn...

Ngày tải lên: 14/12/2013, 13:15

... step 2. This is because the ProductID is automatically generated by the database when the new row is pushed to the database by the Update() method in step 4. When the Update() method is called, ... myNewDataRow.RowState); // step 4: use the Update() method to push the new // row to the database Console.WriteLine("Calling mySqlDataAdapter.Update()"); mySqlConnection...

Ngày tải lên: 14/12/2013, 13:15

... the database. Disconnected DataSet objects act as a data cache in applications. You can modify the data in the DataSet, and later reopen the connection and send the changes back to the database. ... whenever they can occur. Update the database 1. Once you are certain that the data seems to be correct, you can send it to the database. Locate the // Update the database comment in t...

Ngày tải lên: 15/12/2013, 00:15

... Backup Database SQL với sqldumper Bạn là một webmaster mới vào nghề, chưa rành MySQL nói chung và backup & restore data nói riêng nhất là đối với mã nguồn VBB. + Restore database không ... English. Xem hinh 01 + Kế tiếp là phần khai báo thông tin truy cập database cần backup & Restore. Bạn chỉ cần điển thông tin user và pass của database là đủ còn Port: và Socket: để trống...

Ngày tải lên: 20/12/2013, 22:15

... intended for database administrators who perform the following tasks: ■ Back up, restore, and recover Oracle databases ■ Perform maintenance on backups and copies of database files To use this document, ... need to know the following: ■ Relational database concepts and basic database administration as described in Oracle Database Concepts and the Oracle Database Administrator'...

Ngày tải lên: 21/12/2013, 04:17

Ngày tải lên: 24/12/2013, 06:17

... Example (cont.) COP 4710: Database Systems (Day 11) Page 1 Mark Llewellyn COP 4710: Database Systems Spring 2004 Introduction to Normalization – Part 2 BÀI 11, 1 ngày COP 4710: Database Systems Spring ... COP 4710: Database Systems (Day 11) Page 10 Mark Llewellyn • Whenever an update is made to the database, the DBMS must be able to verify that the ... much effort to be practica...

Ngày tải lên: 21/01/2014, 18:20