Withdata Software

Merge multiple similar Oracle tables to 1 Redshift table

Want to transfer data from multiple similar Oracle tables to 1 Redshift table?

Try Withdata DBCopier, a Oracle to Redshift converter for Windows, Mac, and Linux, Copy Oracle data to Redshift, Easy and Fast.

Download Withdata DBCopier
Windows 64 bit
Windows 32 bit
Linux .deb (For Debian, Ubuntu) 64 bit
Linux .rpm (For Red Hat, Fedora, SUSE) 64 bit
MacOS 64 bit

Transfer data from multiple similar Oracle tables to a single Redshift table

Login to Oracle and Redshift -> Select source Oracle tables -> Set the target Redshift table -> Copy Oracle data to Redshift

Choose source Oracle database and logon.

Choose target Redshift database and logon.

Click “Convert Similar Tables” at task dialog.

then show the wizard.

1. Select similar Oracle tables.

2. Select a destination Redshift table and config fields.

3. Preview data.

4. Import data from multiple similar Oracle tables to a single Redshift table.


More about Oracle to Redshift converter

See also:

Oracle → Redshift reference

Type mapping

Value kindin Oraclein Redshift
IntNUMBER(10)integer
BigintNUMBER(19)bigint
DecimalNUMBER(p,s)numeric(p,s)
FloatBINARY_DOUBLEdouble precision
TextVARCHAR2(n)varchar(n)
Long textCLOBvarchar(max)
DateDATEdate
DatetimeTIMESTAMPtimestamp
BinaryBLOB(none)
BooleanNUMBER(1)boolean
JSONCLOBsuper

Dialect differences

Both Oracle and Redshift are database servers, so the differences below are dialect-level: the same concept is spelled differently on each side.

Propertyin Oraclein Redshift
port15215439
row limitFETCH FIRST n ROWS ONLYLIMIT n
datesDATE, TIMESTAMPtimestamp, date
long textCLOB, NCLOBVARCHAR(MAX)
binaryBLOB, BFILE—

Command line

SideCommand
Oracleexp / expdp
RedshiftUNLOAD to S3
Redshift (load)COPY from S3
Oracle (load)sqlldr (SQL*Loader)

No counterpart

  • Oracle values of kind Binary have nowhere to go in Redshift.

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