Want to batch copy data from SQL Server tables to Oracle ?
Try Withdata DBCopier, a SQL Server to Oracle converter for Windows, Mac, and Linux, Bulk copy 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.
Batch copy data from SQL Server tables to Oracle tables
Login to SQL Server and Oracle -> Select source SQL Server tables -> Set target Oracle tables -> Copy SQL Server data to Oracle
Choose source SQL Server database and logon.
Choose target Oracle database and logon.
Click “Convert All Tables” at task dialog.
then show the wizard.
1. Select source SQL Server tables.
2. List target Oracle tables.
3. Select Oracle tables to import.
4. Transfer data from SQL Server tables to Oracle.
More about SQL Server to Oracle converter
Download Withdata DBCopier
See also:
- Copy SQL Server table data to Oracle
- Copy SQL Server query results to Oracle table
- Merge multiple similar SQL Server tables to 1 Oracle table
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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