virtual techdays INDIA │ 9-11 February 2011 virtual techdays Auditing Made Easy: Change Tracking and Change Data Capture Pinal Dave │ Technology Evangelist, Microsoft

 Technology Evangelist (DB and BI) – Microsoft India  Founder –  MCT, MCTS, MCP, MCDBA, MCAD  Follow me -  LinkedIn -  MVP (2008 – 2011) virtual techdays INDIA │ 9-11 February 2011 About Pinal Dave 2

 Introduction to Auditing  Change Tracking  Change Data Capture  Auditing  Demo virtual techdays INDIA │ 9-11 February 2011 S E S S I O N A G E N D A 3

 If I had my original data, I can give you difference between values.  What was the value of this particular field?  How many times this column was updated?  I want all of my deleted data back?  What happened?  Who did it? virtual techdays INDIA │ 9-11 February 2011 A Common Conversation 4

virtual techdays INDIA │ 9-11 February 2011 Who is he? What does he do? 5

 Original Data virtual techdays INDIA │ 9-11 February 2011 What is more important?  Data Modifier 6

virtual techdays INDIA │ 9-11 February 2011 Story of Audit What? How? Who? CT CDC Audit 7

 SQL Profiler  SQL Trace  Table Trigger  Custom T-SQL Solution virtual techdays INDIA │ 9-11 February 2011 Common Practices 8

 Change Tracking (CT)  Change Data Capture (CDC)  SQL Audit virtual techdays INDIA │ 9-11 February 2011 SQL Server 2008 Technologies 9

 Which rows are changed?  Synchronous Process  Available in All Versions virtual techdays INDIA │ 9-11 February 2011 Difference Side By Side  Which rows are changed and How?  Asynchronous Process  Available in Enterprise Edition Change Tracking Change Data Capture 10

 Least Performance Impact  Least Database Size  Usage: Change Tracking, ETL, Rollback data virtual techdays INDIA │ 9-11 February 2011 Similarity Side By Side  Less Performance Impact  Less Database Size  Usage: Change Tracking, ETL, Rollback data Change Tracking Change Data Capture 11

virtual techdays INDIA │ 9-11 February 2011 virtual techdays Demo Change Tracking - WHAT

virtual techdays INDIA │ 9-11 February 2011 virtual techdays Demo Change Data Capture – HOW

 Who did it? and How?  Based on Extended Events  Enterprise Edition Feature  Security Feature virtual techdays INDIA │ 9-11 February 2011 SQL Audit 14

virtual techdays INDIA │ 9-11 February 2011 virtual techdays Demo SQL Audit - WHO

 Change Tracking – WHAT has changed?  Change Data Capture – HOW was ‘what’ changed?  SQL Audit – WHO changed ‘what’ ‘how’? virtual techdays INDIA │ 9-11 February 2011 Summary 16

 Download Code:  Try out CT, CDC and SQL Audit  Follow me:  Read:  Win! – Quiz at the End virtual techdays INDIA │ 9-11 February 2011 Thank YOU! 17

virtual techdays INDIA │ 9-11 February 2011 virtual techdays Thank You!