1. T-SQL in Denali Kathi Kellenberger Microsoft Corporation

2. Who am I? Database Technology Specialist based in St. Louis, MO Former DBA and MVP Author of “Beginning T-SQL 2008” (Apress 2009) Co-Author of “Professional SQL Server 2005 Integration Services” (Wrox 2006) Contributor to “SQL Server MVP Deep Dives” (Manning 2009)

3. My Life…

4. Agenda Sequence Ad-hoc Query Paging (OFFSET/FETCH) Throw With Results Sets Sys.sp_describe_first_result_set Date/Time Functions Conversion Functions Logical Functions String Functions

5. Sequence An alternative to Identity Create a Sequence object NEXT VALUE FOR function Caching OVER clause for sorting Needs UPDATE permission

6. Ad-hoc Query Paging ORDER BY enhancement OFFSET # ROWS FETCH FIRST/NEXT # ROWS ONLY

7. THROW Raise an exception THROW error_number, message, state Inside CATCH, raises caught error if no params specified Error number does not have to be defined in sys.messages Default severity is 16

8. WITH RESULT SETS Used with EXECUTE RESULT SETS UNDEFINED RESULT SETS NONE RESULT SETS definition

9. Sys.sp_decribe_first_result_set Replaces SET FMTONLY ON Returns metadata Stored proc Dynamic SQL Returns error if first result set is undetermined

10. Date/Time Functions From Parts DATEFROMPARTS DATETIME2FROMPARTS DATETIMEFROMPARTS DATETIMEOFFSETFROMPARTS SMALLDATETIMEFROMPARTS TIMEFROMPARTS EOMONTH

11. Conversion Functions PARSE TRY_PARSE TRY_CONVERT

12. Logical Functions IIF CHOOSE Like selecting an item from an array

13. String Functions CONCAT FORMAT