sqlite database manager

SQLite introduces SQLite as a very popular embedded database. It supports the SQL language and has good performance only by using a small amount of memory. In addition, it is open-source and can be used by anyone.SQLite consists of the following components: SQL Compiler, kernel, backend, and attachment. SQLite makes de

;Import Android.database.sqlite.SQLiteOpenHelper;/** * * @author Lin* SQLite Help class */public class Sqlite_persondb extends sqliteopenhelper{/*** SQLite Database construction method, used to define database name, database query result set,

is invalid because it is on the right of column C, and column C uses an inequality, according to the limitations of the use of inequality, column C already belongs to the rightmost.Finally, let's look at another article:... Where B in (1, 2, 3) and C not null and D = 'hello' The index will not be used, because the leading column is not used, this query will be a full table query. In fact, in addition to indexes, there are many factors that affect query performance, such as table connection and

Example of how php reads the sqlite database, and how to operate the sqlite getting started instance in php programming.Reference: http://www.jbxue.com/article/php/22383.htmlBefore using SQLite, make sure that the sqlite and pdo configurations are enabled in php. ini. Open t

A program engineer will occasionally encounter when deploying code, there is no database such as MySQL on the server, or the price of the database has to be calculated in addition to the space, when your project is small or not able to buy the database space, you can consider using SQLite.

Php 5X uses the built-in sqlite3 link database, PDO link sqlite (low-cost development) (1), sqlite3pdo A program engineer occasionally encounters code deployment. There are no databases such as mysql on the server, or the database price must be calculated outside the space, you can consider using sqlite when your proje

SQLite security does not use MySQL high, because SQLite does not create users, as well as permission settings, SQLite is a standalone database, functional simplicity, miniaturization, MySQL test for server data volume of large functions need to install, such as a large number of Web site traffic managementIn fact, MySQ

Php reads the sqlite database entry instance. Example of how php reads the sqlite database, and how to operate the sqlite getting started instance in php programming. original article reference: www.jbxue.comarticlephp22383.html before using

I. Introduction of SQLiteGoogle for Andriod's larger data processing provides SQLite, he is in the storage, management, maintenance and other aspects of the excellent, the function is very strong. SQLite has the following features:1. LightweightWith SQLite you only need to bring a dynamic library, you can enjoy its full functionality, and the size of the dynamic

To build the code for the database: {General code to establish a Memory database:}beginFdconnection1.drivername: = ' SQLite '; With FDConnection1.Params.Add (' driverid=sqlite ');//FDConnection1.Params.Add (' database=:memory: '); Can omit this line, FIREDAC source code sho

Use the existing SQLite database in the Android Program In the Chinese search, I did not find a good article about how to use the database I created in advance in the Android Application. So I found this English article on Google and followed its steps, test successful, decided to give this article a rough translation, want to see the original can click here: htt

This article has been migrated to code quiz , you can also check this article here , please pay more attention to my new technology blog codewenda.comIn the Chinese search, did not find a better about how to use their own pre-created database in the Android application of the article, so on Google to find this article in English, according to its steps, test success. decided to translate this article roughly, want to see the original can click here: h

In the Chinese search, did not find a better about how to use their own pre-created database in the Android application of the article, so on Google to find this English article, according to its steps, test success, decided to translate this article roughly, want to see the original can click here:/http www.reigndesign.com/blog/using-your-own-sqlite-database-in-

This article will not be practical. Some resources are quite good. Let's share a link with you. The online cool predecessors can always create benefits for our elders !!! Young !!! Haha! I have found a good website on the Internet, which is better than the textbooks. I would like to share it with everyone. PS: Thank you !! SQL Tutorial: W3School At the same time, I attached a note photo which I started learning SQL statements in the Early Learning Mode (ps: I was not born in a computer science c

IOS provides SQLite as a local database, and monotouch also provides mono. Data. SQLite to encapsulate SQLite. Compared with objective-C using SQLite databases, it is easy to use monotouch to access SQLite data. First, let's look

The Android system comes with a database called SQLite. In this article we use a demo to illustrate an example of an Android operating database.by theThe database files created by Android are stored under the/data/data/See the database file, we generally use a visual tool called SQ