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Function
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Oracle
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SQL Server
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Date addition
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p1 + p2
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DATEADD(DD, p2, p1)
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Date subtraction
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p1 – p2
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DATEDIFF(DD, p2, p1)
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Add Months
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ADD_MONTHS (p1, p2)
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DATEADD(MM, p2, p1)
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Last day of the month
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LAST_DAY(p1)
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SELECT DATEADD(DD, -1, DATEADD(MM, 1, DATEADD(MM, DATEDIFF(MM, 0, p1), 0)))
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Time zone conversion
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NEW_TIME(p1, p2, p3)
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Not Available
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First Weekday After Date
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NEXT_DAY(p1, p2)
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Not Available
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Convert Date to String
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TO_CHAR(p1, p2)
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DATENAME
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Convert String to Date
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TO_DATE(p1)
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CAST(p1 AS DATETIME)
CONVERT(DATETIME, p1)
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Get Current Date and Time
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SYSDATE
CURRENT_DATE
SYSTIMESTAMP
LOCALTIMESTAMP
CURRENT_TIMESTAMP
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GETDATE()
SYSDATETIME()
SYSDATETIMEOFFSET()
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Convert Date/Time to Date/Time with Time Zone
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FROM_TZ(p1, p2)
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TODATETIMEOFFSET(p1, p2)
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Get Number of Months Between 2 Dates
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MONTHS_BETWEEN(p1, p2)
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DATEDIFF( MONTH, CAST(p2 AS float), CAST( DATEADD(DAY, ( -CAST(DATEPART(DAY, p2) AS float(53)) + 1 ), p1) AS float))
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Round a Date to a Specific Unit of Measure
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ROUND(p1)
ROUND(p1, p2)
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Not Available
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Truncate a Date to a Specific Unit of Measure
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TRUNC(p1)
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SELECT DATEADD(DD, DATEDIFF(DD, 0, p1), 0)
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Truncate Date to a Specific Unit of Measure
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TRUNC(p1, p2)
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SELECT DATEADD(p2, DATEDIFF(p2, 0, p1), 0)
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Time Zone Offset
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TZ_OFFSET(p1)
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Not Available
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Session Time Zone
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SESSIONTIMEZONE
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Not Available
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Database Time Zone
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DBTIMEZONE
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Not Available
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