What you would learn in Microsoft SQL Database Server Functions course?
A Microsoft SQL Database Server can perform many functions. These are just a few examples.
Aggregate functions are used to perform calculations on several values and return one value. They can be used in the select list or the HAVING clauses of a SELECT statement. To calculate the aggregation of rows categories, you can combine an aggregation with the GROUP by clause. To calculate the aggregation for a particular range of values, use the OVER clause. The OVER clause can't be used to follow GROUPING and GROUPING_ID aggregates.
All aggregate functions are deterministic. This means that they return the same value if they run with the same input values.
Ranking functions return a ranking value per row in a partition. Some rows may receive the same value, depending on which function is being used. Ranking functions can be nondeterministic.
The CAST function converts one expression to another datatype. The function will return an error if the conversion fails. It will return the value it converted if the conversion fails.
The CONVERT function converts an expression from one data type into another. The function will return an error if the conversion fails. If it succeeds, the function will return an error.
The SUBSTRING() function extracts a substring of a given length from an input string.
Install SQL Server
Execute the CAST Function on SQL Server
Execute the CONVERT Function on SQL Database Server
Execute the SUBSTRING Function on SQL Database Server
Execute RANK functions on SQL Database Server
Execute aggregate functions on SQL Database Server
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