Want to migrate from SQL Server to Redshift?
Try Withdata DBCopier, a SQL Server to Redshift converter for Windows, Mac, and Linux, Migrate SQL Server to Redshift, Easy and Fast.
- Step by Step, just a few mouse clicks.
- Create Redshift tables with auto mapping data types. Create Redshift indexes.
Migrate from SQL Server to Redshift
Login to SQL Server -> Login to Redshift -> Select tables to migrate -> Migrate from SQL Server to Redshift
Choose source SQL Server database and logon.
Choose target Redshift database and logon.
Click “Wizard – Import All Tables” at task dialog.
then show the wizard.
1. Open source SQL Server.
2. Set “Import Type”.
3. Select Redshift tables to migrate.
4. Migrate from SQL Server to Redshift.
Create Redshift tables. Copy SQL Server data to Redshift. Create Redshift indexes.
FAQ
More about SQL Server to Redshift converter
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See also:
SQL Server → Redshift reference
Type mapping
| Value kind | in SQL Server | in Redshift |
|---|---|---|
| Int | int | integer |
| Decimal | decimal(p,s) | numeric(p,s) |
| Float | float | double precision |
| Text | nvarchar(n) | varchar(n) |
| Long text | nvarchar(max) | varchar(max) |
| Datetime | datetime2 | timestamp |
| Binary | varbinary(max) | (none) |
| Boolean | bit | boolean |
| JSON | nvarchar(max) | super |
Dialect differences
Both SQL Server and Redshift are database servers, so the differences below are dialect-level: the same concept is spelled differently on each side.
| Property | in SQL Server | in Redshift |
|---|---|---|
| port | 1433 | 5439 |
| identifiers | [square brackets] | "double quotes" |
| row limit | SELECT TOP n | LIMIT n |
| dates | datetime, datetime2, date, time | timestamp, date |
| long text | nvarchar(max) | VARCHAR(MAX) |
| binary | varbinary(max) | — |
Command line
| Side | Command |
|---|---|
| SQL Server | bcp |
| Redshift | UNLOAD to S3 |
| Redshift (load) | COPY from S3 |
| SQL Server (load) | bcp, or BULK INSERT |
No counterpart
- SQL Server values of kind Binary have nowhere to go in Redshift.
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