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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]))
f2 in the database has a value of 40.000, but the query is returning Decimal('0.0000'). (Decimal('16.7300'), Decimal('0.0000')) I have tried a cast on the query . cast(f2 as decimal(13,4)) but the query is still returning 0. Can anyone advise how to return the correct value from the database please? In reply to @Panagiotis Kanavos here is the ...
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:
When creating new models you can actually pass normal (float) numbers, Pydantic will automatically convert them to Decimal types, and SQLModel will store them as Decimal types in the database (using SQLAlchemy).
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):
Use the CAST() function to convert an integer to a DECIMAL data type. This function takes an expression or a column name as the argument, followed by the keyword AS and the new data type. In our example, we converted an integer (12) to a decimal value (12.00).
3 Μαρ 2023 · Review the implicit and explicit data type conversions between Python and SQL Server in data science and machine learning solutions.
