Want to sync data from Oracle to SQL Server ?
Try Withdata DBCopier, a Oracle to SQL Server converter for Windows, Mac, and Linux, Synchronize Oracle to SQL Server, 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.
- Support Windows, Linux, and macOS.
Synchronize data from Oracle to SQL Server
Login to Oracle and target SQL Server -> Select source Oracle tables -> Set target SQL Server tables -> Sync Oracle data to SQL Server
Choose source Oracle database and logon.
Choose target SQL Server database and logon.
Click “Wizard – Import All Tables” at task dialog.
then show the wizard.
1. Select source Oracle tables to sync.
2. List target SQL Server tables.
Set “Import Type” to “Replace”, it will do a full synchronization.
Or set “Import Type” to “Upsert”, it will do a upsert synchronization.
3. Select SQL Server tables to sync.
4. Sync Oracle data to SQL Server.
More about Oracle to SQL Server converter
Download Withdata DBCopier
See also:
Oracle → SQL Server reference
Type mapping
| Value kind | in Oracle | in SQL Server |
|---|---|---|
| Int | NUMBER(10) | int |
| Bigint | NUMBER(19) | bigint |
| Decimal | NUMBER(p,s) | decimal(p,s) |
| Float | BINARY_DOUBLE | float |
| Text | VARCHAR2(n) | nvarchar(n) |
| Long text | CLOB | nvarchar(max) |
| Date | DATE | date |
| Datetime | TIMESTAMP | datetime2 |
| Binary | BLOB | varbinary(max) |
| Boolean | NUMBER(1) | bit |
Dialect differences
Both Oracle and SQL Server are database servers, so the differences below are dialect-level: the same concept is spelled differently on each side.
| Property | in Oracle | in SQL Server |
|---|---|---|
| port | 1521 | 1433 |
| identifiers | "double quotes" | [square brackets] |
| row limit | FETCH FIRST n ROWS ONLY | SELECT TOP n |
| dates | DATE, TIMESTAMP | datetime, datetime2, date, time |
| long text | CLOB, NCLOB | nvarchar(max) |
| binary | BLOB, BFILE | varbinary(max) |
Command line
| Side | Command |
|---|---|
| Oracle | exp / expdp |
| SQL Server | bcp |
| SQL Server (load) | bcp, or BULK INSERT |
| Oracle (load) | sqlldr (SQL*Loader) |
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