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Oracle Best practices for changing Byte to Char on Varchar2 columns

User536214 - Oracle-OracleSep 5 2013 — edited Sep 5 2013

Dear Team,

Application Team wanted to change Byte to Char on Varchar2 columns to accommodate Multi byte character  on couple of production tables.

Wanted to know is it safe to have mixture of BYTE and CHAR semantics in the same table i have read on the couple of documents that It's good practice to avoid using a mixture of BYTE and CHAR semantics columns in the same table.

What happens if we have mixture of BYTE and CHAR semantics columns in the same table?

Do we need to gather stats & rebuild indexes on the table after these column changes .


Thanks in Advance !!!

SK

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Locked on Oct 3 2013
Added on Sep 5 2013
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