![]() ![]() Storage considerations with Decimal Data Type in SQL Serverĭata type SQL Decimal requires the following storage bytes for the specified precision as provided by Microsoft below: We can see the rows being added to the table. Once altered, execute the Insert queries to insert these rows into the table. Patients ALTER COLUMN Weight decimal ( 6, 2 ) We can alter the data type of the columns without dropping the table or column with the below code.ĪLTER TABLE dbo. One of the easiest workarounds is to increase the precision level of the columns to store bigger numbers. Quick note – In the above error message, if you have noticed, “data type numeric” is stated instead of data type decimal, the reason is that the Decimal and the Numeric data type are exactly the same, both are fixed-precision data types and can be used interchangeably.However, the value 1000.45 in the second line of code above exceeds the specified range of (5, 2) since it means 6 digits in total and throws an overflow error Weight Decimal (5,2) means the total number of digits cannot exceed 5 and 2 digits can be placed to the right of the decimal. ![]() In the first line of code above, the value 10.9 (considered as 10.90 = 4 digits overall) exceeds the specified range (3, 2) and causes the overflow
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