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Multiple indexes and VARCHR2

Multiple indexes and VARCHAR2 length in Oracle 12C

multiple_indexes_and_varchr2_length_in_oracle_12c

Multiple Indexes On the Same Column

Multiple indexes on the same column cannot be created in prior version of Oracle.

With oracle 12c this is possible but multiple indexes must be different types like BitMap,B-Tree etc.

Varchar2 Length to 32,767 Bytes

The maximum size of the VARCHAR2, NVARCHAR2, and RAW data types has been increased from 4,000 to 32,767 bytes.

[edit]

Note -VARCHAR2 length is increased to 32767 in Oracle 12CR2.

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Arun on Apr 02, 2019 at 12:01 am


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Comments( 2)

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Anonymous on Jan 04, 2019 at 12:00 am

Length of varchar2 from 4,000 to 32,767 bytes has been changed in Oracle 12C release 2 not in release 1.So its present in Oracle 12C R2 version.


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Arrrsh on Apr 02, 2019 at 12:00 am

Thanks for the info.<br />I have edited it now.


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