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Re: compression for oracle database and index compression during import of data

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Hello guy,

 

I did this kind of compression within migration project before.

 

I performed index compress first and then export -> import with table compress.

 

One thing you should take care, delete nocompress flag from TARGET.SQL (created by program SMIGR_CREATE_DDL, program SMIGR_CREATE_DDL created pure non-compression objects for these considered non-standard tables). For table columns > 255, we should not delete this flag.

 

Regarding to the index compress in source system, please check the following notes:

Note 1464156 - Support for index compression in BRSPACE 7.20

Note 1109743 - Use of Index Key Compression for Oracle Databases

Note 682926 - Composite SAP note: Problems with "create/rebuild index"

 

Best Regards,

Ning Tong


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