TechDays Tunisia 2012 - Ayman El-Hattab, MVP

2. Microsoft Most Valuable Professional
www.aymanelhattab.com
Twitter: @AymanElhattab

17. class AuctionApplication
class AuctionApplication
class AuctionApplication
( ( ( App
int id;
int id; int id;
void MethodA();
void MethodA();
string cacheTitle;
) void MethodB();
void MethodA();
) void MethodB();
)
V1 V2 V3 Revision History
CREATE ALTER TABLE dbo.Auction
TABLE ALTER TABLE dbo.Auction
dbo.Auction Database
( WITH CHECK ADD CONSTRAINT
WITH CHECK ADD CONSTRAINT
id INT NOT PRIMARY KEY (id)
Au_PK Au_SK UNIQUE (name)
NULL,
name VARCHAR(25) NOT NULL,
start DATETIME NULL,
len INT NULL
)

18. -- version 1 Add table dbo.Auction
IF OBJECT_ID (N'dbo.Auction', N'U') IS NULL
BEGIN
CREATE TABLE dbo.Auction
(
id INT NOT NULL,
name VARCHAR(25) NOT NULL,
start DATETIME NULL,
len INT NULL
)
END
-- version 2 Add PK Au_PK
IF NOT EXISTS (SELECT * FROM sys.key_constraints WHERE name = 'Au_PK' AND type = 'PK')
BEGIN
ALTER TABLE Auction
WITH CHECK ADD CONSTRAINT Au_PK PRIMARY KEY (id)
END
-- version 3 Add UC Au_SK
IF NOT EXISTS (SELECT * FROM sys.key_constraints WHERE name = 'Au_SK' AND type = ‘UQ')
BEGIN
ALTER TABLE Auction
WITH CHECK ADD CONSTRAINT Au_SK UNIQUE (name)
END

19. class AuctionApplication
class AuctionApplication
class AuctionApplication
( ( ( App
int id;
int id; int id;
void MethodA();
void MethodA();
string cacheTitle;
) void MethodB();
void MethodA();
) void MethodB();
) Source-controlled and
deployed scripts
V1 V2 V3 do not need to match! Revision History
CREATE CREATE CREATE dbo.Auction
TABLE dbo.Auction dbo.Auction
TABLE TABLE Logical In-
( ( ( Memory
id INT NOTid NOT NULL PRIMARY KEY, KEY,
id INT
NULL,INT NOT NULL PRIMARY Database
name VARCHAR(25) NOT NULL, NULL, NULL UNIQUE,
name VARCHAR(25) NOT
name VARCHAR(25) NOT
start DATETIME NULL, NULL, NULL,
start DATETIME
start DATETIME
len INT NULL NULL NULL
len INT
len INT
) ) )

20. CREATE CREATE CREATE dbo.Auction
TABLE dbo.Auction dbo.Auction
TABLE TABLE Logical In-
( ( ( Memory
id INT NOTid NOT NULL PRIMARY KEY, KEY,
id INT
NULL,INT NOT NULL PRIMARY Database
name VARCHAR(25) NOT NULL, NULL, NULL UNIQUE,
name VARCHAR(25) NOT
name VARCHAR(25) NOT
start DATETIME NULL, NULL, NULL,
start DATETIME
start DATETIME
len INT NULL NULL NULL
len INT
len INT
) ) )
V1 V2 V3 Revision History
New Incremental
Deployment CREATE TABLE dbo.Auction Deployment
ALTER TABLE dbo.Auction
(
WITH CHECK ADD CONSTRAINT
id INT NOT NULL PRIMARY KEY,
Au_SK UNIQUE (name)
name VARCHAR(25) NOT NULL UNIQUE,
start DATETIME NULL, V2
len INT NULL
)

21. Background Analysis:
Source Interpret,
Database analyze and
Reverse engineer validate
schema into DDL artifacts Schema Model
Database Project
Build .dbschema
Schema Model file
DDL SQL Artifacts
Compose model representation
from source code fragments!

22. Target
.dbschema Database
file
Schema Model Schema Model
Model Diff Plan Executors
.SQL
Deployment
Engine Incremental Target Update

36. TFS
Source Control
Check in to
DBDev
DBA
Staging
Database
Database Import schema Production
Project
Database

37. •Sync
Dev •Check-out
Env •Edit/Refactor
•Generate Test Data
•Database Unit Test
Dev •Check-in
Env TFS
•Work is being driven
Dev and tracked via work items
Env •Other team members can pick up
changes
DBDev
DBA
Staging
Database
TFS Shelving
allows DBA Dev
to provide guidance Env Production
and evaluate work Database

38. Daily
Test
Build Database
Output
Can also be TFS
used in a
“Continuous” Get Latest
build environment
DBDev Daily Build Test Lab
DBA
Staging
Database
Production
Database

39. TFS
Sync from Label
DBDev
DBA
Deploy
Staging
Database
SQL
Database
Deploy Production
Project Build Script Database
Verify
Refine deploy script

41. http://s3.amazonaws.com/dnrtv/dnrtv_0176.wmv
http://blogs.msdn.com/b/bahill/archive/2009/03/02/offline-schema-
development.aspx
http://msdn.microsoft.com/en-us/library/dd172133.aspx
http://www.youtube.com/watch?v=JI7uiAQZHCg
http://msdn.microsoft.com/en-us/library/ms165034.aspx