data-storage

Binary Data in MySQL [closed]

可紊 提交于 2019-11-26 08:01:48
How do I store binary data in MySQL ? Mat The answer by phpguy is correct but I think there is a lot of confusion in the additional details there. The basic answer is in a BLOB data type / attribute domain. BLOB is short for Binary Large Object and that column data type is specific for handling binary data. See the relevant manual page for MySQL . For a table like this: CREATE TABLE binary_data ( id INT(4) NOT NULL AUTO_INCREMENT PRIMARY KEY, description CHAR(50), bin_data LONGBLOB, filename CHAR(50), filesize CHAR(50), filetype CHAR(50) ); Here is a PHP example: <?php // store.php3 - by

Best way to store data locally in .NET (C#)

試著忘記壹切 提交于 2019-11-26 07:55:40
问题 I\'m writing an application that takes user data and stores it locally for use later. The application will be started and stopped fairly often, and I\'d like to make it save/load the data on application start/end. It\'d be fairly straightforward if I used flat files, as the data doesn\'t really need to be secured (it\'ll only be stored on this PC). The options I believe are thus: Flat files XML SQL DB Flat files require a bit more effort to maintain (no built in classes like with XML),

Which Android Data Storage Technique to use?

♀尐吖头ヾ 提交于 2019-11-26 06:15:43
问题 The android documentation has the following options below but does not explain what circumstances each is best for. What are the pros and cons of each method? e.g. Under what conditions would SQL be better than Shared Preferences? Shared Preferences Internal Storage External Storage SQLite Databases Network Connection 回答1: Different Storage options in Android Content Providers Consider the structured data added to the device from application1 is not accessible to another application2 present

Binary Data in MySQL [closed]

懵懂的女人 提交于 2019-11-26 01:59:12
问题 How do I store binary data in MySQL? 回答1: The answer by phpguy is correct but I think there is a lot of confusion in the additional details there. The basic answer is in a BLOB data type / attribute domain. BLOB is short for Binary Large Object and that column data type is specific for handling binary data. See the relevant manual page for MySQL. 回答2: For a table like this: CREATE TABLE binary_data ( id INT(4) NOT NULL AUTO_INCREMENT PRIMARY KEY, description CHAR(50), bin_data LONGBLOB,

Pros and Cons of SQLite and Shared Preferences [closed]

僤鯓⒐⒋嵵緔 提交于 2019-11-25 23:37:44
问题 What is the good mechanism to store information among SQLite database and Shared Preferences? Why use shared preferences? Why use sqlite? I tried to find the difference between them, and which is the better mechanism for data storing, but I am unable to find the appropriate answer on Google. Please help me with example and explanations. 回答1: It really depends on the data you want to store. SQLite Large amounts of same structured data should be stored in a SQLite database as databases are