<#
This code example creates a table that has several columns with different types and purposes. The code also provides examples of how to create an identity field, how to create a primary key, and how to alter table properties.
#>

#DLL location needs to be specified
$pathtodll = "" 
Add-Type -Path "$pathtodll\Microsoft.SqlServer.Smo.dll"
Add-Type -Path "$pathtodll\Microsoft.SqlServer.ConnectionInfo.dll"

#Connection context need to be specified
$srv = New-Object Microsoft.SqlServer.Management.Smo.Server()
$srv.ConnectionContext.LoginSecure = $false
$srv.ConnectionContext.ServerInstance = "instance_name"
$srv.ConnectionContext.Login = "user_id"
$srv.ConnectionContext.Password = "pwd"

#And the database object corresponding to master.    
$db = $srv.Databases["master"]  

#Create a SMO Table  
$tb = New-Object -TypeName Microsoft.SqlServer.Management.SMO.Table -argumentlist $db, "Test_Table"  
  
#Add various columns to the table.   
$Type = [Microsoft.SqlServer.Management.SMO.DataType]::NChar(50)  
$col1 =  New-Object -TypeName Microsoft.SqlServer.Management.SMO.Column -argumentlist $tb,"Name", $Type  
$col1.Collation = "Latin1_General_CI_AS"  
$col1.Nullable = $true  
$tb.Columns.Add($col1)  
  
$Type = [Microsoft.SqlServer.Management.SMO.DataType]::Int  
$col2 =  New-Object -TypeName Microsoft.SqlServer.Management.SMO.Column -argumentlist $tb,"ID", $Type  
$col2.Identity = $true  
$col2.IdentitySeed = 1  
$col2.IdentityIncrement = 1  
$tb.Columns.Add($col2)   
  
$Type = [Microsoft.SqlServer.Management.SMO.DataType]::Real  
$col3 =  New-Object -TypeName Microsoft.SqlServer.Management.SMO.Column -argumentlist $tb,"Value", $Type  
$tb.Columns.Add($col3)   
  
$Type = [Microsoft.SqlServer.Management.SMO.DataType]::DateTime  
$col4 =  New-Object -TypeName Microsoft.SqlServer.Management.SMO.Column -argumentlist $tb,"Date", $Type  
$col4.Nullable = $false  
$tb.Columns.Add($col4)   
  
#Create the table  
$tb.Create()  
  
$Type = [Microsoft.SqlServer.Management.SMO.DataType]::DateTime  
$col5 =  New-Object -TypeName Microsoft.SqlServer.Management.SMO.Column -argumentlist $tb,"ExpiryDate", $Type  
$col5.Nullable = $false  
$tb.Columns.Add($col5)   
  
#Run the Alter method to make the change on the instance of SQL Server.   
$tb.Alter()  
  
#Remove the table from the database.   
$tb.Drop()