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Platinum Gold Silver www.sqlbits.com Group BY: [Food and Drink at Reading Bowl, see you there!] Feedback Forms: [Voucher for £30 book on return of Form]

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Presentation on theme: "Platinum Gold Silver www.sqlbits.com Group BY: [Food and Drink at Reading Bowl, see you there!] Feedback Forms: [Voucher for £30 book on return of Form]"— Presentation transcript:

1 Platinum Gold Silver www.sqlbits.com Group BY: [Food and Drink at Reading Bowl, see you there!] Feedback Forms: [Voucher for £30 book on return of Form] Lunch Time Sessions: [Idera in Everest, Quest in Memphis, Grok in Chic 1 and 2] Learn & Enjoy [Put your phone on Vibrate!] Ask The Experts [Sessions need to finish on time, take questions to the ATE area]

2 Premier League PGDPTS 1Nottingham Forest3846114 2Man Utd38583 3Man City38576 4Liverpool3810 74 5Everton38272 6Portsmouth38370 7Blackburn38268 8Chelsea3864 9Aston Villa383 62 10Newcastle38262

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4 Clustered Index The data is physically stored in the order of clustered index key.

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7 Non Clustered index Is used by the engine when a query is sorted by the index key. create index IX_HR_Person_surname on HR.Person(surname) select forename, surname, dob from HR.Person order by surname

8 Table variables are in memory structuresCreating a temp table in a transaction causes blockingISNULL and COALESCE are the same Point in time recovery cannot be achieved in bulk logged mode. Instant file initialisation is only for enterprise edition

9 The server writes sequentially and so a cursor to write row by row is just as fast Exists, Non Exists, IN and NOT IN perform differently To free space in my transaction log I need to truncate it. Sysdepends provides an accurate dependency list

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11 Challenge 1  Write the TSQL to get a string of a date in the format “YYYY mon dd” i.e. 2007 April 04

12 Challenge 2  Write the TSQL to get a date from a string in the format “YYYY mon dd” i.e. 2007 April 04

13 Challenge 3  Write the TSQL to get a number padded to with zeros on both side of the decimal point “00.00” i.e. 1.1 becomes 01.10 and 0 into 00.00

14 SQLCLR Tips

15 Take Away  Just because it was true before doesn’t mean its true now, even in football  Try to understand why?  CLR is a good thing, become its friend

16 Reference  Blogs  http://sqlblogcasts.com/blogs/simons http://sqlblogcasts.com/blogs/simons  http://sqlblogcasts.com/blogs/tonyrogerson http://sqlblogcasts.com/blogs/tonyrogerson  Contact Me  Simon@onarc.com Simon@onarc.com  Feedback – Complete the forms

17 Platinum Gold Silver www.sqlbits.com www.SQLBits.com [Conference Web site] www.SQLBlogCasts.com [Becoming the premier Blogging site for SQL professionals] www.SQLServerFAQ.com [UK SQL Server Community Website] UK SQL Bloggers cwebbbi.spaces.live.com sqlblogcasts.com/blogs/simons sqlblogcasts.com/blogs/tonyrogerson Feedback Forms!! Contact Me Simon@onarc.com


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