SQLite

Preface SQLite is a lightweight small database, although relatively small, but the function is comparatively perfect, some common database basic functions also have, in the current embedded system to use the database is more, because it occupies

Premise: A project needs to store various password data, using the embedded SQLite database. The default SQLite database is not encrypted, which is quite unsafe. Look for ways to find a way ...Method:1. Encrypted using the SQLite manager.Some SQLite

The SQLite version of this is very detailed, this machine is 64 bit in 32 bit will appear the problem, after searching to find a solution.This is my previous write 32 in my current machine on the running error.Similar to this.Copy the x64, x86

English addressArticle reference Brief introductionAn important feature of a database system that supports transactions, such as SQLite, is atomic commit ( atomic commit ). That is, the write to the database in one transaction is either all

Details: 1, what is the primary key:           is used to uniquely identify one piece of data in a table, all tables must have their own primary key, the primary key can be integral type, generally use self-increment, It can also be a string type, 

Come in. Prepare to use a embedded database, which is embedded, which facilitates local storage with the project. The current study is intended to be sqlite and H2.Document:http://www.runoob.com/sqlite/sqlite-java.html1. Connect to the databaseTo

I. Constraints on tables1. Unique constraints1-field content (Multi-field content merge) Unique, cannot have duplicate rows2-the same table can have multiple unique constraints2. Check constraints1-Ensure that the requirements are met before saving2-

1 #defineSQLITE_OK 0/* success | Successful result */2 /*error code start*/3 #defineSqlite_error 1/* SQL error or lost database | SQL error or missing database */4 #defineSqlite_internal 2/* SQLite Internal Logic Error | Internal logic Error in

SqliteAn expressionAn expression is a combination of one or more values, operators, and SQL functions that evaluate values.SQL expressions are similar to formulas and are written in the query language. You can also use a specific dataset to query

Time-date functions in SQLiteThis is the note I made when I studied SQLite and translated some of what Chris Newman wrote in "Working with Dates and Times" in "SQLite".SQLite includes the following time/date functions:DateTime () ......... ........

December 13, 2014 14:36 Sina blog (Transferred from Http://www.cnblogs.com/nmj1986/archive/2012/09/17/2688827.html)Demand:There are two different SQLite databases A, B, you need to copy the table in the B database to a database, when the amount of

SQLite is a lightweight, embedded, and SQL database without configuration. It is very convenient to use only two files because it does not need to be installed. Sqlite3.dll, sqlite3.exe is about K in total, much smaller than mysql30 M. In addition

It is also a bit of programming memo. SQLite is a good embedded database. This embedded database is basically synonymous with exquisite and lightweight. SQLite references many scenarios, and Firefox and Android have internal applications, the code

I have explained how to use the execsql () and rawquery () methods in SQLite in Android to implement curd operations. However, these operations are performed when we are very familiar with SQLite, however, sometimes we cannot avoid having different

Document directory PHP version 4.4.8 PHP and sqlite3 After several days of efforts, we finally built the Apache + SQLite + PHP platform on the arm-Linux platform. Apche and SQLite have a lot of information on the Internet, but PHP for

C/C ++ APIs for SQLite Third Edition 1.0 Overview SQLite 3.0 is a new version of SQLite. It inherits from SQLite 2.8.13, but has an incompatible file format and API. SQLite 3.0 is created based on the following requirements: UTF-16 is supported.

SQLite is a very popular embedded relational database. It is light-loaded, fast, and open-source. In Android, runtime provides SQLite, so we can use SQLite, and it is a complete set of SQLite. SQLite provides SQL interfaces, which are the same as

Preface: This section is the subsequent part of the previous section. These two sections are the design and functions of each module of the SQLite kernel from a global perspective. Only by grasping SQLite globally can we better understand the

1. Create dataIf no table is added to the database, the database is not created and no files are generated on the hard disk. If the database already exists, the database is opened. 2. How to generate the sqlite3.lib file through sqlite3.dll and

Operation Method: first install SQLServer2005, and remember the user name and password you set during installation. The following describes how to restore the database file epdmdb20101008.bak backed up by SQLServer as an example. ① Open SQLServer2005