. (" data scrubbing ", "data staging" "data purge "). . . , . , .
, OLTP-, , , . . - , - . -, .
() OLTP- ".", "_" "_". , () . -, , " ". , .
OLTP- . , " " 12 , 18 . , , .
, , . . .
. . , , null-, . . , : "" "", 0 1. , , .. . , " " , . .
|
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( , "missing data") (" corrupt data " , ). , , . , . , "" . "" -. , . , , null-.
, - (. 1.6), :
- ;
- -;
- ;
- .
. 1.6.
. 1.1 .
1.1. | ||