![]() ![]() Enabling Extended Data Types in a non-CDB ![]() Thanks to Chris Saxon for pointing out the relationship with the new DEFAULT COLLATION clause. The on-prem release of Oracle 12.2 does not have extended data types enabled by default.Įxtended data types are necessary if you want to use the column-level collation feature available in 12.2 onward. The Database Cloud Service on the Oracle Public Cloud has this feature turned on by default, which added some weight to this suggestion. Prior to the on-prem release, people were suggesting extended data types would be the default in Oracle 12.2. Enabling Extended Data Types in a non-CDB.The total number of characters that can be stored will depend on the character sets being used. Remember, these figures are in bytes, not characters. With the introduction of Extended Data Types, Oracle 12c optionally increases these maximum sizes. Prior to Oracle 12c, regardless of the character semantics used, the maximum size of a VARCHAR2, NVARCHAR2 and RAW columns in a database are as follows. Home » Articles » 12c » Here Extended Data Types in Oracle Database 12c Release 1 (12.1)
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