tell me the push down optimization
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Answer / nagaraju
push down optimization is used increase the performance.in this concept integration service convert the transformation logic into query and send to the database.
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Answer / akhil4
this option available in session(work flow) properties.
it increase informatica server performance.
when ever u enable this option it created view in database related to logic.(MEANS YOU TAKEN SEVERAL T/R IN THIS U HAVE IMPLEMENTED LOGIC USING THAT LOGIC IT WILL CREATE A VIEW)
U START WF IT TAKE THE DATA DIRECTLY TO SQ AND PUSH DATA THROUGH LOGIC AND LODES INTO TARGET.
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how to load the data in fact table.. using look up transformation how to view the second record. usally look up shows matching record for only one value. if i have same value its not displaying. ex: problem i faced. i have total, student no and name in table student i used aggregation transformation to display max(total). i have two same max values in total. when i look up the student name and no for this max(total), its showing only one name and no, its leaving the second one. how to rectify it. plz tel me step by step or clearly.
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