Quick examples of PI(), POWER() and EXP() in SQL Server, and the answer to the title: EXP to the POWER of PI returns 23.1406926327793.
SQL SERVER – FIX : ERROR Msg 244, Level 16, State 1 – FIX : ERROR Msg 245, Level 16, State 1
Msg 244 and Msg 245 come from converting a value to an incompatible data type, often with CAST or ISNULL. Examples of both, and why ISNULL casts to the first type.
SQL SERVER – Convert Text to Numbers (Integer) – CAST and CONVERT
How to convert text to integer with CAST and CONVERT, whether they fail on alpha-numeric values (yes), and how to pull only the numbers from a string.
SQL SERVER – Definition, Comparison and Difference between HAVING and WHERE Clause
I asked every candidate the difference between HAVING and WHERE clause, and none got it right. HAVING filters groups, while WHERE filters individual rows.
SQL SERVER – Comparison : Similarity and Difference #TempTable vs @TempVariable
#TempTable and @TempVariable both live in tempdb, but they differ in scope and purpose. Their similarities and differences, explained side by side.
SQL SERVER – 2005 Comparison SP_EXECUTESQL vs EXECUTE/EXEC
SP_EXECUTESQL vs EXECUTE/EXEC in SQL Server 2005: what they share for dynamic SQL, like late compile and variable scope, and how they differ.
REPLACE Return Limits: Cast the Input to max
REPLACE return limits can truncate text at 8,000 bytes. Cast the searched input to max first, then compare Unicode and non-Unicode byte lengths.