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