In SQL Server, the default maximum precision of numeric and decimal data types is 38. In earlier versions of SQL Server, the default maximum is 28. Length for a numeric data type is the number of ...

This post adds one more useful detail: how to preserve the original data types of the columns in your query when using this technique with SQL Server-related sources. Consider the DimDate table in the ...

T-SQL supports a variety of data types, ranging from simple numeric and character types to complex spatial and XML types. Each data type has a specific range, precision, storage size, and behavior.

It’s surprisingly easy to stop query folding happening in Power Query by changing the data type of a column. This is mentioned in the docs here, and it’s something several people have blogged about ...

Learn how to use the xsd:type and sql:datatype attributes in SQLXML 4.0 to control the mapping between XSD data types and SQL Server data types. [!INCLUDE SQL Server Azure SQL Database] In an XSD ...

When SQL Server compares or combines columns of different data types, it has to convert them to a compatible type, which uses extra CPU and time. For example, comparing an INT to a BIGINT forces a ...

We've seen how you can create UDIs (User Defined Functions), Stored Procedures and Aggregates, using your favorite .NET language within the SQL Server database engine itself. This month we conclude ...

SQL data types. To learn more about SQL data types, read “SQL basics: String data types,” which covers general data-type usage and describes using the various string data types, and “SQL ...