posted 10 years ago
I have this query where I am counting values from three different tables and getting two columns, date and count from each of it. Getting 3 records for first 12 for second and 12 for third. Finally I am doing little calculation from this count columns from all these table where there date from the second column is finding a match..
For eg if date of first table column is matching with second and third one I am adding all these values and getting percentage of it… though I ‘ve created a query for it…but it is got giving correct data..
I need to know how could I perform calculation form this table on the basis of date.. I am using oracle DB
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