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
SqliteCommon FunctionsReference:SQLite Common Functions | Beginner's TutorialHttp://www.runoob.com/sqlite/sqlite-functions.htmlSqliteCommon FunctionsSQLite has many built-in functions for working with string or numeric data. Some useful SQLite built-
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 uses dynamic memory allocations to obtain the memory needed for various objects, such as database connections and SQL preprocessing statements, to establish the memory cache for database files, and to save query results. We've done a lot of
SQLite Introduction, Learning notes, performance testing who, which companies or software are used in SQLite:Nokia ' s Symbian,mozilla,abobe,google, Alibaba, Fetion, Chrome,firefoxIt can be seen that the stability and performance of SQLite is not a
1) how to create an auto-increment field?
A simple answer: a field declared as integer primary key will be automatically added.
Here is a detailed answer: Starting from SQLite 2.3.4, if you declare a field in a table as integer primaryKey, so no
BasicData Source=c:\mydb.db;Version=3;
Version 2 is not a supported by the This class library.
Sqlite
In-memory DatabaseAn SQLite database was normally stored on disk,
1 , what is SQLiteFile-based lightweight database server-free 0 configuration support transactional open source2 , SQLite How to use2.1 installationSQLite official web download the corresponding DLLs and toolsConfiguring Environment variablesView
In SQLite, the lock and concurrency control mechanisms are handled by the PAGER.C module for the implementation of acid (Atomic, consistent, isolated, and durable) features. In a transaction that contains data modifications, the module ensures that
Until you learn! Find information before you learn
SQLite's SQL
ATTACH DATABASE
BEGIN TRANSACTION
Comment
COMMIT TRANSACTION
COPY
CREATE INDEX
CREATE TABLE
CREATE TRIGGER
CREATE VIEW
DELETE
DETACH DATABASE
DROP INDEX
DROP TABLE
DROP TRIGGER
DROP
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