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SQLite vs CSV
SQLite is a relational database file that stores tables, indexes, and schema. CSV is text for exchanging row-and-column values; by itself, it does not preserve database relationships or constraints.
Which format should you choose?
Use SQLite for SQL queries, multiple tables, indexes, constraints, and transactions. Export to CSV when handing off one table to another app. Define the selected table, column names and types, NULL versus empty text, encoding, leading zeros, dates, and quoting; document any structure that CSV cannot carry.
Good fit for SQLite database
Local storage in SQLite-enabled apps · Embedded databases for desktop, mobile, and small services
- Using SQL without running a separate database server
- Keeping app data in a portable database file
Good fit for CSV
Tabular-data exchange
- Transferring one simple table between applications
Basic information
| Field | SQLite database | CSV |
|---|---|---|
| Extension | .sqlite, .sqlite3, .db | .csv |
| MIME type | text/csv | |
| Common uses | Local storage in SQLite-enabled apps · Embedded databases for desktop, mobile, and small services | Tabular-data exchange |
| How to open | Copying only the main file while active may produce an inconsistent backup | When importing into a spreadsheet, set the character encoding and delimiter. Check that leading zeros, date-like values, and long numbers are not automatically converted. |
| Export or convert | Open it with an SQLite database tool or sqlite3. Do not edit the binary file in a text editor; use SQLite backup facilities for a consistent copy. | Exporting XLSX to CSV normally writes values from only one selected sheet. Keep formulas, formatting, other sheets, and charts separately. |
Choose by use case
Using SQL without running a separate database server
Local storage in SQLite-enabled apps · Embedded databases for desktop, mobile, and small services
SQLite databaseKeeping app data in a portable database file
Local storage in SQLite-enabled apps · Embedded databases for desktop, mobile, and small services
SQLite databaseTransferring one simple table between applications
Tabular-data exchange
CSVKey point 1
An SQLite file can store SQL rows plus schema, indexes, views, and triggers. CSV is usually text records with an optional header and does not represent relationships between tables, indexes, or constraints.
More on the differencesKey point 2
SQLite supports SQL selection, joins, updates, constraints, and transactions. CSV must be parsed by an application, and column types and NULL semantics must be agreed separately.
More on the differencesMore on the differences
Keep SQLite when database behavior or structure matters; use CSV as a portable table export. Use SQLite's consistent backup mechanisms rather than casually copying a live database file.
- A CSV export usually contains values from selected tables, not indexes, constraints, views, triggers, or relationships across tables.
- When copying SQLite files, account for WAL or journal state; use a backup method that produces a consistent database.
Frequently asked questions
Does exporting SQLite to CSV preserve the database?
No. It exports tabular values, usually from a selected table; schema behavior, indexes, triggers, and table relationships are not carried in ordinary CSV.