May 2020
Beginner
564 pages
14h 9m
English
Content preview from Learn SQL Database Programming
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Oracle
The additional string data types in Oracle include the following:
- NCHAR: Oracle supports Unicode data types, including NCHAR and NVARCHAR2. You can store different languages in Unicode data types.
- VARCHAR2: Oracle has an additional VARCHAR type called VARCHAR2, which doesn't distinguish between a null and empty string value.
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