The WHERE statement selects observations before they are brought into And yes, the where will only allow matching results to be loaded to the PDV. They are identical in terms of performance. The new datasets now have the exact same output. Using the where statement: data everybody2 Using the where (data set option): data everybody1 Now I can use the where statement or the where data set option. I want to create a new dataset with those two, but only for people with birth date equals to 18jan1980. Because the where is executed before anything comes to the PDV.įor better understanding of the question, I created the following code: View Disclaimer.The question is really straight forward, which one is faster?Ĭonsidering we are using data step with two datasets in the set statement and the datasets have the same variables in them.įrom What Ive heard and read, if we subset them using the same condition, say date = "10jan2014"d, the result will be exactly the same using the statement above or the following data set option in the two datasets (where=(date="10jan2014"d)). All trademarks are properties of their respective owners. The certification names are the trademarks of their respective owners. © 2022 BDreamz Global Solutions Private Limited. PS: We assure that traveling 10 - 15mins additionally will lead you to the best training institute which is worthy of your money and career. Nagar, Tambaram, Teynampet, Thiruvanmiyur, Thoraipakkam, Urapakkam, Vadapalani, Valasaravakkam, Vandalur, Velachery, Virugambakkam, West Mambalam.
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