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Answer Posted / suresh
MAPPING: it is a graphical representation of data flow from
source to target which included some business
transformation logic
SESSION: It is a set of instructions that describe how and
when to move data from source to targets.
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Hi, I want to change date type char value integer value? I tried alter table tab_name modify (newcolumn newdatetype). But The columns have 10 million values(char type) so I want to load now numeric data. How it is possible? Old Values New Value(I want to load numeric data but the old value should be there in the column) Y 1 N 0 ERROR at line 1: ORA-01439: column to be modified must be empty to change datatype Please help on this. Thanks, GM
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