SAP HANA SQL Function Tutorial

SAP HANA Provides following SAP HANA Functions-

1. Data Type Conversion Function – Data Type conversion function are used to convert one data type to another. Below are list of Data Type Conversion function-

   E.g. CAST, TO_ALPHANUM, TO_BIGINT, TO_BINARY etc.

2. Date Time Functions - Date Time Function are used to convert Date/ Time in a different format.

   E.g. – ADD_DAYS, ADD_MONTHS, ADD_SECOND, etc.

3. Fulltext Functions - Fulltext Functions is used for text search.

   E.g. – SCORE etc.

4. Number Functions - Number Functions take a numeric value, or string with numeric characters, as input and return numeric values.

   E.g. – ABS, ROUND, POWER, etc.

5. String Functions - String Functions take a string as input, process them and return value according to function.

   E.g. (ASCII, CHAR, CONCAT, etc.)

6. Window Functions – Window Functions let user divide result set of a query into groups of rows named window partition.

   E.g. RANK (), DENSE_RANK (), ROW_NUMBER (), etc.
7. Miscellaneous Function- There are some more functions, which are used for the miscellaneous job. E.g. – CONVERT_CURRENCY, CURRENT_SCHEMA, etc.