Monthly Archives: ottobre 2016

Global Temporary Table
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    Ott

Global Temporary Table

Global Temporary Table (GTT): Data base version: Oracle Database 11g Environment: DWH This kind of table defines a temporary table for the current connection, these tables do not reside in the system catalogues and are not persistent. Temporary tables exist only during the connection that declared them and cannot be referenced outside of that connection. When the connection...

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ORACLE 12C : Extended Data Type
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ORACLE 12C : Extended Data Type

With the previous Oracle database release, long characters strings of more then 4000 bytes had to be handled using CLOB or LONG data types. Starting from Oracle 12c was introduced a new system parameter: MAX_STRING_SIZE. This parameter allows string data types to be much larger when the parameter is changed from its default value STANDARD to EXTENDED. New...

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