Want to bulk import SQL files into Redshift tables at one time?
Try Withdata software FileToDB, a SQL to Redshift converter for Redshift for Windows, MacOS, and Linux, Easy and Fast, Even other type database SQL.
- Can run in GUI mode, Step by Step, just a few mouse clicks.
- Can run in Command line, for Scheduled Tasks and Streams.
- Import SQL to Redshift locally and privately, avoid uploading SQL file(s) to online services.
- Support Windows, Linux, and macOS.
Bulk import SQL files into Redshift tables
Login to Redshift -> Choose SQL files -> Set Redshift tables -> Import SQL files to Redshift tables
Choose Redshift and logon.

Click “Wizard – N Files To N Tables” at task dialog.

Select the “SQL” file type.

then show the wizard.
1. Select a folder that constains SQL files.

2. Config first SQL file importing options.

3. Set “Import Type”.

4. Map Redshift tables to SQL files.

5. Summary. Set “Convert Rows” and “Skip Rows” if need.

6. Import SQL files to Redshift tables, 1 file to 1 table, one by one.

View imported data in Redshift table

More about SQL file to Redshift converter
See also:
- Import data from SQL file to Redshift
- Batch import data from multiple SQL files to a single Redshift table
SQL → Redshift reference
Type mapping
| Value kind | in SQL | in Redshift |
|---|---|---|
| Int | INT | integer |
| Bigint | BIGINT | bigint |
| Decimal | DECIMAL(p,s) | numeric(p,s) |
| Float | DOUBLE PRECISION | double precision |
| Text | VARCHAR(n) | varchar(n) |
| Long text | TEXT / CLOB | varchar(max) |
| Date | DATE | date |
| Datetime | TIMESTAMP | timestamp |
| Binary | BLOB / BYTEA | (none) |
| Boolean | BOOLEAN / SMALLINT | boolean |
| JSON | JSON / TEXT | super |
Dialect differences
SQL is a file format and Redshift is a database server, so the target has to be told the types the file never carried - the rows below are where the two sides diverge.
| Property | in SQL | in Redshift |
|---|---|---|
| port | — | 5439 |
| identifiers | Two competing conventions: single-quoted literals and diale... | "double quotes" |
| row limit | — | LIMIT n |
| dates | Depends on the dialect: DATE literals, TO_DATE(), or plain ... | timestamp, date |
| long text | — | VARCHAR(MAX) |
| binary | Dialect-specific: X-quoted literal, 0x hex, or decode() | — |
| separator | Statement terminators (;) | — |
| encoding | No declaration | — |
| typing | Types belong to the target database, and they differ betwee... | — |
| shape | Statements; a dump usually means CREATE TABLE plus INSERT rows | Tables of rows and columns |
| ceiling | No formal limit, but a single INSERT statement has to fit i... | — |
Command line
| Side | Command |
|---|---|
| Redshift | UNLOAD to S3 |
| Redshift (load) | COPY from S3 |
No counterpart
- SQL values of kind Binary have nowhere to go in Redshift.
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