CASE and IIF: Labels and Conditional Sums
Lessons in this course
- SELECT, FROM dbo and Calculated ColumnsFree
- WHERE: Comparisons, BETWEEN and AND Locked
- SELECT TOP, ORDER BY and WITH TIES Locked
- ORDER BY and OFFSET-FETCH Paging Locked
- NULL, ISNULL and COALESCE Locked
- Variables, Integer Division and Modulo Locked
- CAST and CONVERT: Types, Truncation and Rounding Locked
- TRY_CAST: Converting Dirty Data Without Errors Locked
- Dates: GETDATE, MONTH, DATEPART and EOMONTH Locked
- DATEADD: Due Dates, Return Windows and Month Ends Locked
- DATEDIFF: Counting Boundaries, Not Durations Locked
- String Functions: LEFT, RIGHT, LEN and TRIM Locked
- CHARINDEX, SUBSTRING and CONCAT vs + Locked
- CASE and IIF: Labels and Conditional Sums Locked
- Aggregates: COUNT, SUM, AVG and the Integer AVG Trap Locked
- GROUP BY: One Row per Group Locked
- HAVING vs WHERE and the Logical Query Order Locked
- Grouping by Month and Where Aliases Work Locked
- INSERT and IDENTITY: Automatic Keys and Gaps Locked
- UPDATE: Changing Rows Safely Locked
- DELETE vs TRUNCATE Locked
- Final Project: Top Customers Report Locked