sqlite repair

[C #-SQLite] SQLite has some strange problems, Today, the DAO layer of the entire C #, I used 2013, and the. NetFramework of 4.0 encountered an exception after the Helper is created. + Connection "helper. Connection" causes an exception of the "System. IO. FileLoadException" type: System. Data. IDbConnection {System. IO. FileLoadException} Later, I found an article and added it to app. config. Htt

Check sqlite database integrity and sqlite database integrity Recently, a problem occurs: user data is lost. After obtaining the user database file, the database is damaged. database disk image is malformed Therefore, we hope to find a method to check whether the database is damaged. After google, we found a method to record it first. + (BOOL)checkIntegrity { NSString *databasePath = [self databaseFilePath

12-SQLite transactions and 12-sqlite transactionsI. Transaction Overview A transaction is a series of operations performed as a single logical unit. Multiple operations are submitted to the system as a whole, either executed or not executed. transactions are an inseparable logical unit of work. Ii. execution of transactions Begin: Start transaction Rollback: roll back the transaction Commit: Su

Android listview scroll sliding screen shows sqlite paging, similar to chat records, listview dynamically adds sqlite paging dataI recently used openfire-based chat (like QQ) to view chat records on pages. For this reason, I used to view chat records in reverse chronological order, declare that the demo is in reverse order based on the id (the principle is the same as the time in reverse order) 1. MainActiv

@interfaceViewcontroller ()4@property (nonatomic,strong) Sqlitemanager *Sqlmanager;5 @end6 7 @implementationViewcontroller8 9- (void) Viewdidload {Ten [Super Viewdidload]; One //additional setup after loading the view, typically from a nib. ASelf.sqlmanager =[Sqlitemanager share]; - } - #pragmaMark adds the-(Ibaction) TAPADDBTN: (ID) Sender { -NSString *sql =@"INSERT into person (Name,age,tel) VALUES (' Mark ', ' + ', ' 119 ')"; - if([Self.sqlmanager run:sql]) { -NSLog (@"Add Success");

because the tangent vector is different, we also need to copy the vertex. We have mentioned this before, but we will not talk about it much. Because the exported vertex and the normal are multiple to one, the normal and the vertex should be stored separately, that is, the vertexnormalmap of the above independent line. Finally, the export plug-in adds an additional step: First merge vertices by position to accumulate the normal, to ensure that there is a unique normal at the Joint Then copy t

Sqlite Study Notes 2: Create a database and sqlite Study Notes In the last note, an sqlite executable file is generated, and cd is executed under the directory where sqlite is located: Sqlite3 MyDataBase. db A database named MyDataBase. db is created, and a file named MyDataBase. db is generated under the curren

Some useful SQLite commands are summarized, and sqlite commands are useful. Display table structure:Copy codeThe Code is as follows:Sqlite>. schema [table]Obtain all tables and views:Copy codeThe Code is as follows:Sqlite>. tablesObtain the index list of the specified table:Copy codeThe Code is as follows:Sqlite>. indices [table]Export the database to an SQL file:Copy codeThe Code is as follows:Sqlite>. out

Common SQLite database statements and how to use SQLite visualization tool MeasSQLlite on MAC, sqlitemeassqllite I. Introduction In mobile development, small databases are usually used for data management. SQLite is a very small and convenient database. In iOS development, the native framework also has good support. Ii. Commonly Used

PHP + sqlite database operation example (Create/Open/insert/search), sqlite example This article describes how to operate a PHP + sqlite database. We will share this with you for your reference. The details are as follows: SQLite is a lightweight database. It is designed to be embedded and has been used in many embedde

Android learning notes -- Sqlite database, android -- sqlite I learned about data storage in Android a few days ago, including file storage, SharedPreferences storage, and the feature of Acndroid: SQLite database storage. I was surprised that a lightweight SQLite database was embedded in Android, which made a qualitati

ObjectiveIn recent days, several articles on the content of non-content, such as the series of lectures, these days are my project in the problems and re-learning knowledge, so share with you, the article about SQLite abound, but some of the most outdated, why say outdated, Before all in the website of sqlite download dll or EXE to achieve, now we can directly install the

StatementYou are welcome to repost this article, but please respect the author's Labor achievements. repost this article and keep the statement in this box. Thank you.Article Source: http://blog.csdn.net/iukey SQLite is implemented in pure C, so it is doomed to be a cross-platform tool that can be used in both Android and iOS, and can completely write common code for us to transplant. Of course, SQLite