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Calculate difference between 2 date times in Oracle SQL I have a table as follows: Filename - varchar Creation Date - Date format dd mm yyyy hh24:mi:ss Oldest cdr date - Date format dd mm yyyy hh24:mi:ss How can I calcuate the difference in hours minut
How to count occurrences of a column value efficiently in SQL? and if data in "age" column has similar records (i e many people are 25 years old, many others are 32 and so on), it causes confusion in aligning right count to each student in order to avoid it, I joined the tables on student ID as well
How do you loop in a Windows batch file? - Stack Overflow Conditionally perform a command several times syntax-FOR-Files FOR %%parameter IN (set) DO command syntax-FOR-Files-Rooted at Path FOR R [[drive:]path] %%parameter IN (set) DO command syntax-FOR-Folders FOR D %%parameter IN (folder_set) DO command syntax-FOR-List of numbers FOR L %%parameter IN (start,step,end) DO command
How to calculate difference between two dates (number of days)? Difference in days, hours, and minutes TimeSpan ts = EndDate - StartDate; Difference in days int differenceInDays = ts Days; This is in int double differenceInDays= ts TotalDays; This is in double Difference in Hours int differenceInHours = ts Hours; This is in int double differenceInHours= ts TotalHours; This is in double Difference in Minutes int
SQL to find the number of distinct values in a column I can select all the distinct values in a column in the following ways: SELECT DISTINCT column_name FROM table_name; SELECT column_name FROM table_name GROUP BY column_name; But how do I get the row