sqlite cannot start transaction within transaction

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Discussion on transaction rollback problem of database transaction processing mechanism

First, the transactions in SQL Concept: A thing is a mechanism, a sequence of operations that contains a set of database operations commands that either execute all or do not. A transaction is an inseparable unit of work logic. The

Features of SQLite anatomy

SQLite is an acid-compliant, lightweight database engine that is contained in a relatively small C library. It is a public domain project created by D.richardhipp. Unlike the common client/server architecture paradigm, the SQLite engine is not a

Sqlite data collection

Simple SQLite tutorialHttp://www.cnblogs.com/wildfish/archive/2006/03/25/358532.htmlThe earliest use of SQLite was because sql2005 was really heavy, and my old machine was cool.In addition, Access is not used to-it refers to. Net Access.Later, I

Detailed description of the query planner in SQLite, detailed description of the SQLite Planner

Detailed description of the query planner in SQLite, detailed description of the SQLite Planner 1.0 Introduction The task of the query planner is to find the best algorithm or "query plan" to complete an SQL statement. As early as SQLite 3.8.0, the

C Programming Interface of SQLite database (7) database locking -- Reading Notes of using SQLite

C Programming Interface for SQlite Database (7) Database Locking)By drizzle QQ: 253786989 The content in Using SQLite is not very clear. Have time to take a closer look at SQLite documentation: http://www.sqlite.org/lockingv3.html (File Locking And

SQLite tutorial (1): SQLite database introduction, sqlite Database

SQLite tutorial (1): SQLite database introduction, sqlite Database I. Introduction: SQLite is currently the most popular open-source embedded database. compared with many other embedded storage engines (NoSQL), such as BerkeleyDB and MemBASE, SQLite

Detailed SQLite Query Planner _ database Other

1.0 Introduction The task of the Query planner is to find the best algorithm or to say "query plan" to complete an SQL statement. As early as SQLite version 3.8.0, the component of the query planner has been rewritten so that it can run faster and

SQLite Atom Submission Principle

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

The drawbacks and limitations of SQLite

1 as queries become larger and more complex, query time dwarfs network invocation or transaction overhead. 2 At this point some large design complex databases are starting to work. 3 Although SQLite can handle complex queries, it does not have a

SQLite learning Manual (opening)

I. Introduction: SQLite is currently the most popular open-source embedded database. compared with many other embedded storage engines (nosql), such as berkeleydb and membase, SQLite supports some basic features of relational databases, such as

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