This view will be used to have only a few columns from COMPANY table. ExampleĬonsider COMPANY table with the following records −įollowing is an example to create a view from COMPANY table. If the optional TEMP or TEMPORARY keyword is present, the view will be created in the temp database. You can include multiple tables in your SELECT statement in a similar way as you use them in a normal SQL SELECT query. SQLite views can be created from a single table, multiple tables, or another view.įollowing is the basic CREATE VIEW syntax.ĬREATE VIEW view_name AS SQLite views are created using the CREATE VIEW statement.
However, you can create a trigger on a view that fires on an attempt to DELETE, INSERT, or UPDATE a view and do what you need in the body of the trigger. SQLite views are read-only and thus you may not be able to execute a DELETE, INSERT or UPDATE statement on a view. Summarize data from various tables, which can be used to generate reports. Restrict access to the data such that a user can only see limited data instead of a complete table. Structure data in a way that users or classes of users find natural or intuitive. Views which are kind of virtual tables, allow the users to −
A view can be created from one or many tables which depends on the written SQLite query to create a view. It is actually a composition of a table in the form of a predefined SQLite query.Ī view can contain all rows of a table or selected rows from one or more tables. The user can view and explore the configuration of Sqlite structure of various file extensions.A view is nothing more than a SQLite statement that is stored in the database with an associated name. These above discussed Sqlite file extensions are supported by the Sqlite Viewer software. fossil is used by the repository database in Sqlite. db3-journal is created to rollback upon data insertion to. db3 is Sqlite database file, stored in text format and containing database structure and entries. db-journal is associated with Sqlite when database is distributed between database file and journal file. db is related to the main Sqlite database file that consists of one or more pages. sqlite3-journal is used for temporary purposes. sqlite3 is the main file extension associated with the version Sqlite 3 where database is a small C-library used by multiple applications. sqlite extension stores the WhatsApp messages database in encrypted form. It is used by Mozilla Firefox to store data and backups. sqlite-journal is associated with web Opener based on Gecko web layout engine. This is a shared memory file and only exists when Sqlite is working on Write Ahead Log (WAL) mode. sqlite-shm is related to Sqlite relational database for multiple platforms. sqlite format is the default file extension for Sqlite database. Let us get acquainted with the multiple file extensions of the Sqlite database. Sqlite database file types and file extensions, which are used to store the database, vary according to the different versions of the application on which it is implemented. With no requirement for an administrator and no dependency on a server, the Sqlite database is much more reliable and robust as compared to SQL. However, Sqlite is not always used as a relational database. Sqlite database is written in ANSI C and is stored in tables containing a number of fields and data types that can easily be accessed on any system supporting Sqlite with the help of SQL commands.
Sqlite is a widely accepted relational database management system to be embedded in software applications on a varied platform owing to its zero configuration and transaction oriented database engine. A Comprehensive Insight Into File Extensions of Sqlite