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You can either convert a Decimal object to a string: cursor = db.cursor() cursor.execute("""select * from table""") output = [] for row in cursor: output.append(str(row[4])) Or to a float: cursor = db.cursor() cursor.execute("""select * from table""") output = [] for row in cursor: output.append(float(row[4]))
25 Νοε 2008 · Can someone suggest a good way to convert from float to Decimal [...] perhaps limiting number of significant digits that can be supported? Short answer / solution: Yes. def ftod(val, prec = 15): return Decimal(val).quantize(Decimal(10)**-prec)
The result will show the original order_id and the corresponding decimal_amount. 6. CONVERT() with a Variable DECLARE @amount VARCHAR(10) = '123.45'; SELECT CONVERT(DECIMAL(10, 2), @amount) AS decimal_amount; This query uses a variable to store a string value and then converts it to a decimal data type with two decimal places. The result will be:
18 Φεβ 2024 · One common method to convert an integer to a decimal in Python is by dividing it by 1.0 or another decimal number. Dividing an integer by a floating-point number results in a floating-point number, effectively converting the integer. Here’s an example: integer_value = 7. decimal_value = integer_value / 1.0.
26 Σεπ 2024 · The PostgreSQL formatting functions provide a powerful set of tools for converting various data types (date/time, integer, floating point, numeric) to formatted strings and for converting from formatted strings to specific data types. Table 9.26 lists them. These functions all follow a common calling convention: the first argument is the value to be formatted and the second argument is a ...
16 Σεπ 2021 · Learn how to convert SQL Server data to different data types such as string, date, integer and numeric using the CAST and CONVERT functions.
Definition and Usage. The CONVERT () function converts a value (of any type) into a specified datatype. Tip: Also look at the CAST () function. Syntax. CONVERT (data_type (length), expression, style) Parameter Values. Technical Details. More Examples. Example. Convert an expression from one data type to another (varchar):