since 2000
Opening a DB-SHM File
The DB-SHM file type is primarily associated with SQLite.
What is a DB-SHM file?
DB-SHM files mostly belong to SQLite. The DB-SHM file is a SQLite shared memory file used internally by SQLite in WAL (Write-Ahead Logging) mode to manage concurrent access to the database.
This file holds locking and state information that coordinates how different processes or threads access the main database file. It works closely with the primary database file and the .db-wal file to keep data consistent during transactions.
Key details provided by FilExt.com include:It stores shared memory page and locking data necessary for safe multi-process operations. It is created and managed automatically by the SQLite engine. It is a binary file and not meant for manual editing. FilExt.com tip: For further technical details, you may refer to the official documentation on the SQLite website.
This file holds locking and state information that coordinates how different processes or threads access the main database file. It works closely with the primary database file and the .db-wal file to keep data consistent during transactions.
Key details provided by FilExt.com include:
How can I open a DB-SHM file?
You need a suitable software like SQLite to open a DB-SHM file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your DB-SHM file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a DB-SHM file directly in the browser:. Just drag the file onto this browser window and drop it.
Online DB-SHM Text Viewer
or drag and drop it here
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Programs that open and convert DB-SHM files:
- SQLite
See the previous paragraphs to learn more about the main application. DB-SHM files are often referred to as SQLite databases because this type of file is primarily created or used by this software.
- SQLite (SQLite Cache file) by SQLite ConsortiumThe .db-shm file is a shared memory file created by SQLite that contains only temporary data. It is only present when SQLite it running in WAL (Write-Ahead Log) mode. This is because in WAL mode, db connections sharing the same db file must all update the same memory location used as index for the WAL file, to prevent conflicts. SQLite is a software library that implements a self-contained, serverless, zero-configuration, transactional SQL database engine. SQLite is widely deployed. It is used in many desktop computer applications as well as consumer electronic devices including cellphones, PDAs, and MP3 players. For example, Mozilla's Sunbird/Lightning calendaring programs use SQLite databases. This file format is classified as Database cache.
DB-SHM file format:
If you know the file format, you can also find out how to open or edit the file. The file format can be determined based on the file extension and the signature (the first few characters of a file). Frequently, however, one file extension is used by different programs for different file formats, and one file format for different file extensions. If there are problems opening a file, you must first determine the file format used. Our examination of the DB-SHM files comes to the following conclusion:
The DB-SHM file type is a very commonly used file extension and mainly uses a special format. The file formats most commonly found in DB-SHM files are:
- 90% of all DB-SHM files have the same signature 18 E2 2D 00. If you open these files in a text editor, you will see only illegible characters. The files are often between 32 KB and 65 KB in size. It is a modern file type. map_cache.db-shm or ActivitiesCache.db-shm is a typical file name. These files can be linked to cache, activities, recordings, chat, scheduled, calls, cloud, contacts and zoom.
All other DB-SHM files (10%) have no consistent format. They are often associated with data, xmpp, wpndatabase, keychain, asyn, msgstore, encks or live. If you want to find out which format your DB-SHM file belongs to, just click on the button "Choose your .db-shm file to analyze".
Technical Data for DB-SHM File Extension
File classification:
Database
Related files:
db-wal, db-journal, sqlite3, sqlite-shm, shm, db, smh, dp, wal, sqlitedb-wal, uid, pluginpayloadattachment, plist, check, sqlite-wal, crypt12, sqlitedb, udi, exo, bd, sqlite, xlog
Mime type:
a db-shm auxiliary file is a special file format and should only be edited and saved with the appropriate software.
How to solve problems with DB-SHM files
- Associate the DB-SHM file extension with the correct application.
- Update your software that should actually open auxiliary files. Because only the current version supports the latest DB-SHM file format. Search, therefore, e.g. on the manufacturer website after an available SQLite update.
- To make sure that your DB-SHM file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
- Click here to open your .DB-SHM file online - secure, fast, and no downloads needed.