Answer Posted / vijay
1.global temporary table is a schema object
2.global temporary table record is store in session level but not store in database
3.global temporary table structure of the table is store in database but record not store in database
4.global temporary table record not shown one session to another session level
5.it is used reporting purpose temporarily record saved in session level
Two types
1.on commit delete rows( all records deleted structure of table only shown)
2.on commit preserve rows(record saved in session level (once login &logout record gone)
create global temporary table table_name on commit preserve rows as select * from employees;
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