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Converting Binary Strings into NUMERIC or FLOAT in SQL Server
Can Binary Strings Be Converted into NUMERIC or FLOAT Data Types in SQL Server Transact-SQL?
✍: FYIcenter.com
Can binary strings be converted into numeric or float data types? The answer is no. Binary strings can not be converted implicitly or explicitly into NUMERIC, DECIMAL, REAL, or FLOAT data types.
The tutorial exercise gives you some examples of errors when converting binary strings to NUMERIC or FLOAT data types:
-- Implicit conversion to NUMERIC SELECT 0x66 + 0.44; GO Msg 8114, Level 16, State 5, Line 1 Error converting data type varbinary to numeric. -- Explicit conversion to NUMERIC SELECT CONVERT(NUMERIC(9,2), 0x66) + 0.44; GO Msg 8114, Level 16, State 5, Line 1 Error converting data type varbinary to numeric. -- Implicit conversion to REAL DECLARE @real REAL; SET @real = 0x66; Msg 206, Level 16, State 2, Line 2 Operand type clash: varbinary is incompatible with real -- Implicit conversion to FLOAT DECLARE @float FLOAT(53); SET @float = 0x66; Msg 206, Level 16, State 2, Line 2 Operand type clash: varbinary is incompatible with float
⇒Character Strings and Binary Strings in SQL Server Transact-SQL
2017-02-28, 806👍, 0💬
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