Convert CSV to SQL

Shiji Pan

1 year ago

Want to convert CSV file to SQL file?

If you want to import CSV file to SQL Server, see this page: CSV to SQL Server.

If you want to import CSV file to SQLite, see this page: CSV to SQLite.

Try Withdata Data File Converter, a desktop CSV to SQL converter for Windows, MacOS, and Linux, Convert CSV to SQL, Easy and Fast.

Can run in GUI mode, Step by Step, just a few mouse clicks.
Can run in Command line, for Scheduled Tasks and Streams.
Convert files locally and privately, avoid uploading large CSV file(s) to online services.
Support Windows, Linux, and macOS.

“Start a New Convert” for “CSV to SQL”.

Select From “File” “CSV” To “File” “SQL”.

Support large CSV file ( > 4GB ).

Source CSV file’s content is like this:

After converting, you can view the output SQL file.

CSV → SQL reference

Value kind	in CSV	in SQL
Int	`1234`	`INT`
Bigint	`9007199254740993`	`BIGINT`
Decimal	`1234.56`	`DECIMAL(p,s)`
Float	`1.234e+10`	`DOUBLE PRECISION`
Text	`quoted only when it contains a comma or a quote`	`VARCHAR(n)`
Long text	`must be quoted; line breaks inside force multi-line records`	`TEXT / CLOB`
Date	`2026-09-18`	`DATE`
Datetime	`2026-09-18 14:30:00`	`TIMESTAMP`
Binary	`not representable - base64 or hex string`	`BLOB / BYTEA`
Boolean	`TRUE / FALSE, or 1 / 0 depending on the writer`	`BOOLEAN / SMALLINT`
JSON	`the whole JSON value quoted, with internal quotes doubled`	`JSON / TEXT`

Both CSV and SQL are file formats, so what differs below is how each one chooses to represent a value.

Property	in CSV	in SQL
identifiers	`Double quotes; a literal quote is doubled ("" )`	`Two competing conventions: single-quoted literals and diale...`
dates	`Conventional text: 2026-09-18 or 2026-09-18 14:30:00`	`Depends on the dialect: DATE literals, TO_DATE(), or plain ...`
binary	`Not supported`	`Dialect-specific: X-quoted literal, 0x hex, or decode()`
separator	`Comma ","`	`Statement terminators (;)`
encoding	`No declaration - UTF-8 works only with a BOM`	`No declaration`
typing	`None - every field is text`	`Types belong to the target database, and they differ betwee...`
shape	`Flat table, optional header row`	`Statements; a dump usually means CREATE TABLE plus INSERT rows`
ceiling	`No formal limit; row count bounded by memory`	`No formal limit, but a single INSERT statement has to fit i...`

Skip the manual work — convert CSV to SQL online, free (runs in your browser, nothing is uploaded). For large files or batch jobs, use the desktop apps.