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COALESCE accepts one or more column names of the same data type. The COALESCE function checks the value of each column in the order in which they are listed and returns the first nonmissing value. If only one column is listed, the COALESCE function returns the value of that column.
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27 sty 2022 · If you want to test if CODE matches any of the CODE1 to CODE3 values then use WHICHC (). First let's make some workable example data steps. data test1; a_row+1; input code $15.; datalines; a b c c ; data test2; b_row+1; input (code1-code3) (:$20.); datalines; a b c . b a c . .
6 paź 2023 · Code is untested, but you can just move that COALESCE to the join. PROC SQL; CREATE TABLE date_naiss AS SELECT pers.date_naiss , sousc.no_pol , COALESCE(ctant.ctant_pere, ctant.contrac) AS coal FROM dossier sousc , dossier2 ctant , personne pers WHERE sousc.countr = COALESCE(ctant.pere, ctant.contrac) AND ctant.pers = pers.pers ; QUIT;
12 sty 2024 · The COALESCE function checks the value of each column in the order in which they are listed and returns the first nonmissing value. If only one column is listed, the COALESCE function returns the value of that column.
17 cze 2024 · PROC SQL retrieves all the rows from DELAY where Flight=219 and passes their DESTYPE values to the WHERE clause. PROC SQL uses the DESTYPE values to complete the WHERE clause: where 'International' in ('International', 'International',...)
17 cze 2024 · The COALESCE function checks the value of each column in the order in which they are listed and returns the first nonmissing value. If only one column is listed, the COALESCE function returns the value of that column.
proc sql; select coalesce(s.Flight,d.Flight) as Flight, Supervisor, Destination from fltsuper s full join fltdest d on s.Flight=d.Flight; When the Position of the Values Is Important. When you want to merge two tables and the position of the values is important, you might need to use a DATA step merge.
