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Function
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Oracle
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SQL Server
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Convert Character to ASCII
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ASCII(p)
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ASCII(p)
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Convert ASCII to Character
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CHR(p)
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CHAR(p)
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Concatenate Strings
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CONCAT(p1, p2)
p1 || p2
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p1 + p2
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Return Starting Point of Character in Character String
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INSTR(p1, p2)
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CHARINDEX(p2, p1)
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Convert String to All Lower Case
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LOWER(p1)
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LOWER(p1)
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Convert String to All Upper Case
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UPPER(p1)
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UPPER(p1)
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Pad Left Side of Character String
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LPAD(p1, p2, p3)
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RIGHT(REPLICATE(p3, p2) + p1, p2)
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Remove Leading Blank Spaces
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LTRIM(p1)
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LTRIM(p1)
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Remove Trailing Blank Spaces
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RTRIM(p1)
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RTRIM(p1)
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Return Starting Point of Pattern in Character String
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INSTR(p1, p2)
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PATINDEX(p2, p1)
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Pad Right Side of Character String
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RPAD(p1, p2, p3)
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LEFT(p1 + REPLICATE(p3, p2), p2)
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Phonetic Representation of Character String
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SOUNDEX(p1)
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SOUNDEX(p1)
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Convert Numeric Data to String
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TO_CHAR(p1)
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CAST(p1 as VARCHAR)
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Extract a Portion of a String from the Input String
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SUBSTR(p1, p2, p3)
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SUBSTRING(p1, p2, p3)
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Replace Characters
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REPLACE(p1, p2, p3)
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REPLACE(p1, p2, p3)
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Reverse String
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REVERSE(p)
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REVERSE(p)
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Capitalize First Letter of Each Word in String
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INITCAP(p1)
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Not Available
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Translate Character String
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TRANSLATE(p1)
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Not Available
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Return Length of String
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LENGTH(p)
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LENGTH(p)
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Return Length of String in Bytes
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LENGTHB(p)
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DATALENGTH(p)
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Greatest Character String in List
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GREATEST(p1, p2, …)
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Not Available
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Least Character String in List
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LEAST(p1, p2, …)
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Not Available
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Replace String if NULL
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NVL(p1, p2)
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ISNULL(p1, p2)
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Return NULL if both Expressions are the Same.
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NULLIF(p1, p2)
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NULLIF(p1, p2)
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