sqlite key

Inner Connection-INNER joinThe INNER join (INNER join) creates a new result table based on the connection predicate combined with the column values of two tables (Table1 and table2). The query compares each row in the Table1 to each row in the Table2

From: http://blog.csdn.net/LocalVar/archive/2008/02/13/3620555.aspx  1. Introduction An important feature of a database that supports transactions like SQLITE is "Atomic commit ". Atomic commit means that all modification actions in a transaction

Reference: https://www.pantz.org/software/sqlite/sqlite_commands_and_general_usage.htmlSQLite is an embedded open source relational database (db). It is the very portable, easy-to-use, compact, efficient, and reliable. Being an embedded database it

I. Constraint Constraints At the end of the last essay, I mentioned the constraint, but there I translated it as a qualifier, not too accurate, here to correct it, it should be translated into a more appropriate constraint. So what is a constraint?

I. ConstraintsAt the end of the previous article, I mentioned constraints,However, I have translated it into a qualifier, which is not very accurate. Here I want to correct it first. It should be more appropriate to translate it into a constraint.So

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

Introduction to SQLite and introduction to SQLite I. Why SQLite? 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

ArticleDirectory The SQLite library contains a command line named sqlite3, which allows you to manually enter and execute SQL commands for the SQLite database. This document provides a brief description of sqlite3. The SQLite library

Comprehensive Sqlite Learning (2) and sqlite Learning Finally, CSDN was chosen to sort out the knowledge points published over the past few years. This article was migrated to CSDN in parallel. Because CSDN also supports the MarkDown syntax, it's

First, create the data table: The syntax rules and usage of this command are essentially the same as most relational databases, so we illustrate the various rules for creating tables in SQLite. However, for some sqlite-specific rules, we will give