Want to bulk import Excel files into Redshift tables at one time?
Try Withdata FileToDB, a desktop Excel to Redshift converter for Windows, MacOS, and Linux, Convert Excel to Redshift, 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.
- Import Excel to Redshift locally and privately, avoid uploading Excel file(s) to online services.
- Support Windows, Linux, and macOS.
Bulk import Excel files into Redshift tables
Login to Redshift -> Choose Excel files -> Set Redshift tables -> Import Excel files to Redshift tables
Choose Redshift and logon.
Click “Wizard – N Files To N Tables” at task dialog.
Select the “Excel” file type.
then show the wizard.
1. Select a folder that constains Excel files.
2. Config first Excel file importing options.
3. Set “Import Type”.
4. Map Redshift tables to Excel files.
5. Summary. Set “Convert Rows” and “Skip Rows” if need.
6. Import Excel files to Redshift tables, 1 file to 1 table, one by one.
View imported data in Redshift table
More about Excel to Redshift converter
Download Withdata FileToDB
See also:
EXCEL → Redshift reference
Type mapping
| Value kind | in EXCEL | in Redshift |
|---|---|---|
| Int | 1234 (a real numeric cell) | integer |
| Bigint | 9007199254740993 (exact only while the cell stays text) | bigint |
| Decimal | 1234.56 (numeric cell, format controls the displayed decimals) | numeric(p,s) |
| Float | 1.234E+10 (numeric cell) | double precision |
| Text | text cell; leading zeros survive only if the column is text | varchar(n) |
| Long text | text cell; wraps inside the cell rather than the row | varchar(max) |
| Date | a serial number plus a date cell format | date |
| Datetime | a serial number plus a date-time cell format | timestamp |
| Binary | not representable as data | (none) |
| Boolean | TRUE / FALSE (a real boolean cell) | boolean |
| JSON | a text cell; the quotes are part of the value | super |
Dialect differences
EXCEL 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 EXCEL | in Redshift |
|---|---|---|
| port | — | 5439 |
| identifiers | Not applicable; a cell holds exactly one value | "double quotes" |
| row limit | — | LIMIT n |
| dates | Stored as a serial number; only the cell format makes it lo... | timestamp, date |
| long text | — | VARCHAR(MAX) |
| binary | Only as text or an embedded object, not as a data column | — |
| separator | Cells, not delimiters | — |
| encoding | UTF-8 internally, declared in the package | — |
| typing | Real cell types: text, number, date, boolean, error | — |
| shape | Multiple sheets, each a flat grid | Tables of rows and columns |
| ceiling | 1,048,576 rows x 16,384 columns per sheet; 255 sheets per w... | — |
Command line
| Side | Command |
|---|---|
| Redshift | UNLOAD to S3 |
| Redshift (load) | COPY from S3 |
No counterpart
- EXCEL values of kind Binary have nowhere to go in Redshift.
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.
