Want to batch import data from CSV files to SQL Server ?
Using FileToDB, a native GUI tool, you can batch import data from CSV files to SQL Server easily and fast, no need to program, just a few mouse clicks!
Support Windows, Linux, macOS.
Support large CSV files (big than 4GB).
Support multiple CSV file encodings: ANSI, UTF-8, UTF-8BOM, UCS-2LE (Unicode Little Endian), UCS-2BE (Unicode Big Endian), CP1250 (Central European), CP1251 (Cyrillic), CP1252 (Western European), CP1253 (Greek), CP1254 (Turkish ), CP1255 (Hebrew), CP1256 (Arabic), CP1257 (Baltic), CP1258 (Vietnamese), CP437 (United States), CP850 (Western European), CP852 (Central European), CP866 (Cyrillic), CP874 (Thai), CP932 (Japanese), CP936 (Chinese Simplified), CP949 (Korean), CP950 (Chinese Traditional), ISO-8859-1 (Western European), ISO-8859-2 (Central European), ISO-8859-15 (Latin 9), KOI-8 (Cyrillic), Macintosh (Western European).
Here you can download and install FileToDB.
Batch import data from CSV files to SQL Server
Choose SQL Server and logon.
Click “Wizard – N Files To 1 Table” at task dialog.
Select the “CSV” file type.
then show the wizard.
1. Select a folder that constains CSV files.
2. Config first CSV file importing options.
3. Select a SQL Server table and config fields.
4. Preview data.
5. Import.
View imported data
You can schedule and automate this converting task by:
1) Save session and create .bat file.
More about FileToDB – the tool to batch import data from CSV files to SQL Server
30-day free trial 
CSV → SQL reference
Type mapping
| 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 |
Dialect differences
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... |
Convert your data online, free
Free in-browser converters for CSV, Excel, JSON, XML and SQL: Withdata Online Data Conversion. Large files, batch conversion or scheduling? See the offline desktop apps, or browse all data conversion tools.
