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Scheduling Automatic Administrative Tasks in SQL Server Agent

In SMO, the SQL Server Agent is represented by the following objects:

  • The JobServer object has three collections of jobs, alerts and operators.

  • The OperatorCollection object represents a list of pager, e-mail addresses and net send operators that can be notified of events automatically by the Microsoft SQL Server Agent.

  • The AlertCollection object represents a list of circumstances such as system events or performance conditions that are monitored by SQL Server.

  • The JobCollection object is slightly more complex. It represents a list of multi-step tasks that run at specified schedules. The steps and schedule information are stored in the JobStep and JobSchedule objects.

The SQL Server Agent objects are in the Microsoft.SqlServer.Management.Smo.Agent namespace.

To use any code example that is provided, you will have to choose the programming environment, the programming template, and the programming language in which to create your application. For more information, see Create a Visual Basic SMO Project in Visual Studio .NET or Create a Visual C# SMO Project in Visual Studio .NET.

  1. For programs that use SQL Server Agent, you must include the Imports statement to qualify the Agent namespace. Insert the statement after the other Imports statements, before any declarations in the application, such as:

Imports Microsoft.SqlServer.Management.Smo

Imports Microsoft.SqlServer.Management.Common

Imports Microsoft.SqlServer.Management.Smo.Agent

This code example creates a job with steps and a schedule, and then informs an operator.

'Connect to the local, default instance of SQL Server.
Dim srv As Server
srv = New Server
'Define an Operator object variable by supplying the Agent (parent JobServer object) and the name in the constructor.
Dim op As [Operator]
op = New [Operator](srv.JobServer, "Test_Operator")
'Set the Net send address.
op.NetSendAddress = "Network1_PC"
'Create the operator on the instance of SQL Agent.
op.Create()
'Define a Job object variable by supplying the Agent and the name arguments in the constructor and setting properties.
Dim jb As Job
jb = New Job(srv.JobServer, "Test_Job")
'Specify which operator to inform and the completion action.
jb.OperatorToNetSend = "Test_Operator"
jb.NetSendLevel = CompletionAction.Always
'Create the job on the instance of SQL Agent. 
jb.Create()
'Define a JobStep object variable by supplying the parent job and name arguments in the constructor.
Dim jbstp As JobStep
jbstp = New JobStep(jb, "Test_Job_Step")
jbstp.Command = "Test_StoredProc"
jbstp.OnSuccessAction = StepCompletionAction.QuitWithSuccess
jbstp.OnFailAction = StepCompletionAction.QuitWithFailure
'Create the job step on the instance of SQL Agent.
jbstp.Create()
'Define a JobSchedule object variable by supplying the parent job and name arguments in the constructor. 
Dim jbsch As JobSchedule
jbsch = New JobSchedule(jb, "Test_Job_Schedule")
'Set properties to define the schedule frequency, and duration.
jbsch.FrequencyTypes = FrequencyTypes.Daily
jbsch.FrequencySubDayTypes = FrequencySubDayTypes.Minute
jbsch.FrequencySubDayInterval = 30
Dim ts1 As TimeSpan
ts1 = New TimeSpan(9, 0, 0)
jbsch.ActiveStartTimeOfDay = ts1
Dim ts2 As TimeSpan
ts2 = New TimeSpan(17, 0, 0)
jbsch.ActiveEndTimeOfDay = ts2
jbsch.FrequencyInterval = 1
Dim d As Date
d = New Date(2003, 1, 1)
jbsch.ActiveStartDate = d
'Create the job schedule on the instance of SQL Agent.
jbsch.Create()

This code example creates a job with steps and a schedule, and then informs an operator.

{
            //Connect to the local, default instance of SQL Server.
            Server srv = new Server();

            //Define an Operator object variable by supplying the Agent (parent JobServer object) and the name in the constructor. 
            Operator op = new Operator(srv.JobServer, "Test_Operator");

            //Set the Net send address. 
            op.NetSendAddress = "Network1_PC";

            //Create the operator on the instance of SQL Server Agent. 
            op.Create();

            //Define a Job object variable by supplying the Agent and the name arguments in the constructor and setting properties. 
            Job jb = new Job(srv.JobServer, "Test_Job");

            //Specify which operator to inform and the completion action. 
            jb.OperatorToNetSend = "Test_Operator";
            jb.NetSendLevel = CompletionAction.Always;

            //Create the job on the instance of SQL Server Agent. 
            jb.Create();

            //Define a JobStep object variable by supplying the parent job and name arguments in the constructor. 
            JobStep jbstp = new JobStep(jb, "Test_Job_Step");
            jbstp.Command = "Test_StoredProc";
            jbstp.OnSuccessAction = StepCompletionAction.QuitWithSuccess;
            jbstp.OnFailAction = StepCompletionAction.QuitWithFailure;

            //Create the job step on the instance of SQL Agent. 
            jbstp.Create();

            //Define a JobSchedule object variable by supplying the parent job and name arguments in the constructor. 
           
            JobSchedule jbsch = new JobSchedule(jb, "Test_Job_Schedule");

            //Set properties to define the schedule frequency, and duration. 
            jbsch.FrequencyTypes = FrequencyTypes.Daily;
            jbsch.FrequencySubDayTypes = FrequencySubDayTypes.Minute;
            jbsch.FrequencySubDayInterval = 30;
            TimeSpan ts1 = new TimeSpan(9, 0, 0);
            jbsch.ActiveStartTimeOfDay = ts1;
            
            TimeSpan ts2 = new TimeSpan(17, 0, 0);
            jbsch.ActiveEndTimeOfDay = ts2;
            jbsch.FrequencyInterval = 1;
          
            System.DateTime d = new System.DateTime(2003, 1, 1);
            jbsch.ActiveStartDate = d;

            //Create the job schedule on the instance of SQL Agent. 
            jbsch.Create();
        }

This code example creates a job with steps and a schedule, and then informs an operator.

#Get a server object which corresponds to the default instance
$srv = New-Object -TypeName Microsoft.SqlServer.Management.SMO.Server

#Define an Operator object variable by supplying the Agent (parent JobServer object) and the name in the constructor.
$op = New-Object -TypeName Microsoft.SqlServer.Management.SMO.Agent.Operator -argumentlist $srv.JobServer, "Test_Operator"

#Set the Net send address.
$op.NetSendAddress = "Network1_PC"

#Create the operator on the instance of SQL Agent.
$op.Create()

#Define a Job object variable by supplying the Agent and the name arguments in the constructor and setting properties. 
$jb = New-Object -TypeName Microsoft.SqlServer.Management.SMO.Agent.Job -argumentlist $srv.JobServer, "Test_Job" 

#Specify which operator to inform and the completion action. 
$jb.OperatorToNetSend = "Test_Operator"; 
$jb.NetSendLevel = [Microsoft.SqlServer.Management.SMO.Agent.CompletionAction]::Always

#Create the job on the instance of SQL Server Agent. 
$jb.Create()

#Define a JobStep object variable by supplying the parent job and name arguments in the constructor. 
$jbstp = New-Object -TypeName Microsoft.SqlServer.Management.SMO.Agent.JobStep -argumentlist $jb, "Test_Job_Step" 
$jbstp.Command = "Test_StoredProc"; 
$jbstp.OnSuccessAction = [Microsoft.SqlServer.Management.SMO.Agent.StepCompletionAction]::QuitWithSuccess; 
$jbstp.OnFailAction =[Microsoft.SqlServer.Management.SMO.Agent.StepCompletionAction]::QuitWithFailure; 

#Create the job step on the instance of SQL Agent. 
$jbstp.Create(); 

#Define a JobSchedule object variable by supplying the parent job and name arguments in the constructor. 
$jbsch =  New-Object -TypeName Microsoft.SqlServer.Management.SMO.Agent.JobSchedule -argumentlist $jb, "Test_Job_Schedule" 

#Set properties to define the schedule frequency, and duration. 
$jbsch.FrequencyTypes =  [Microsoft.SqlServer.Management.SMO.Agent.FrequencyTypes]::Daily

$jbsch.FrequencySubDayTypes = [Microsoft.SqlServer.Management.SMO.Agent.FrequencySubDayTypes]::Minute
$jbsch.FrequencySubDayInterval = 30
$ts1 =  New-Object -TypeName TimeSpan -argumentlist 9, 0, 0
$jbsch.ActiveStartTimeOfDay = $ts1
$ts2 = New-Object -TypeName TimeSpan -argumentlist 17, 0, 0
$jbsch.ActiveEndTimeOfDay = $ts2
$jbsch.FrequencyInterval = 1
$jbsch.ActiveStartDate = "01/01/2003"

#Create the job schedule on the instance of SQL Agent. 
$jbsch.Create();

This code example creates an alert that is triggered by a performance condition. The condition must be provided in a specific format:

ObjectName|CounterName|Instance|ComparisionOp|CompValue

An operator is required for the alert notification. The Operator type requires square parentheses because operator is a Visual Basic keyword.

'Connect to the local, default instance of SQL Server.
Dim srv As Server
srv = New Server
'Define an Alert object variable by supplying the SQL Agent and the name arguments in the constructor.
Dim al As Alert
al = New Alert(srv.JobServer, "Test_Alert")
'Specify the performance condition string to define the alert.
al.PerformanceCondition = "SQLServer:General Statistics|User Connections||>|3"
'Create the alert on the SQL Agent.
al.Create()
'Define an Operator object variable by supplying the SQL Agent and the name arguments in the constructor.
Dim op As [Operator]
op = New [Operator](srv.JobServer, "Test_Operator")
'Set the net send address.
op.NetSendAddress = "NetworkPC"
'Create the operator on the SQL Agent.
op.Create()
'Run the AddNotification method to specify the operator is notified when the alert is raised.
al.AddNotification("Test_Operator", NotifyMethods.NetSend)

This code example creates an alert that is triggered by a performance condition. The condition must be provided in a specific format:

ObjectName|CounterName|Instance|ComparisionOp|CompValue

An operator is required for the alert notification. The Operator type requires square parentheses because operator is a Visual C# keyword.

{
             //Connect to the local, default instance of SQL Server. 
            Server srv = new Server();

            //Define an Alert object variable by supplying the SQL Server Agent and the name arguments in the constructor. 
            Alert al = new Alert(srv.JobServer, "Test_Alert");

            //Specify the performance condition string to define the alert. 
            al.PerformanceCondition = "SQLServer:General Statistics|User Connections||>|3";

            //Create the alert on the SQL Agent. 
            al.Create();

            //Define an Operator object variable by supplying the SQL Server Agent and the name arguments in the constructor. 
         
            Operator op = new Operator(srv.JobServer, "Test_Operator");
            //Set the net send address. 
            op.NetSendAddress = "NetworkPC";
            //Create the operator on the SQL Agent. 
            op.Create();
            //Run the AddNotification method to specify the operator is notified when the alert is raised. 
            al.AddNotification("Test_Operator", NotifyMethods.NetSend);
        }

This code example creates an alert that is triggered by a performance condition. The condition must be provided in a specific format:

ObjectName|CounterName|Instance|ComparisionOp|CompValue

An operator is required for the alert notification. The Operator type requires square parentheses because operator is a Visual C# keyword.

#Get a server object which corresponds to the default instance
$srv = New-Object -TypeName Microsoft.SqlServer.Management.SMO.Server

#Define an Alert object variable by supplying the SQL Agent and the name arguments in the constructor.
$al = New-Object -TypeName Microsoft.SqlServer.Management.SMO.Agent.Alert -argumentlist $srv.JobServer, "Test_Alert"

#Specify the performance condition string to define the alert.
$al.PerformanceCondition = "SQLServer:General Statistics|User Connections||>|3"

#Create the alert on the SQL Agent.
$al.Create()

#Define an Operator object variable by supplying the Agent (parent JobServer object) and the name in the constructor.
$op = New-Object -TypeName Microsoft.SqlServer.Management.SMO.Agent.Operator -argumentlist $srv.JobServer, "Test_Operator"

#Set the Net send address.
$op.NetSendAddress = "Network1_PC"

#Create the operator on the instance of SQL Agent.
$op.Create()

#Run the AddNotification method to specify the operator is notified when the alert is raised.
$ns = [Microsoft.SqlServer.Management.SMO.Agent.NotifyMethods]::NetSend
$al.AddNotification("Test_Operator", $ns)

#Drop the alert and the operator
$al.Drop()
$op.Drop()

This code example shows how to allow a user access to a specified subsystem by using the AddSubSystem method of the ProxyAccount object.

'Connect to the local, default instance of SQL Server.
Dim srv As Server
srv = New Server
'Declare a JobServer object variable and reference the SQL Agent.
Dim js As JobServer
js = srv.JobServer
'Define a Credential object variable by supplying the parent server and name arguments in the constructor.
Dim c As Credential
c = New Credential(srv, "Proxy_accnt")
'Set the identity to a valid login represented by the vIdentity string variable. 
'The sub system will run under this login.
c.Identity = vIdentity
'Create the credential on the instance of SQL Server.
c.Create()
'Define a ProxyAccount object variable by supplying the SQL Agent, the name, the credential, the description arguments in the constructor.
Dim pa As ProxyAccount
pa = New ProxyAccount(js, "Test_proxy", "Proxy_accnt", True, "Proxy account for users to run job steps in command shell.")
'Create the proxy account on the SQL Agent.
pa.Create()
'Add the login, represented by the vLogin string variable, to the proxy account. 
pa.AddLogin(vLogin)
'Add the CmdExec subsytem to the proxy account. 
pa.AddSubSystem(AgentSubSystem.CmdExec)
'Now users logged on as vLogin can run CmdExec job steps with the specified credentials.

This code example shows how to allow a user access to a specified subsystem by using the AddSubSystem method of the ProxyAccount object.

//Connect to the local, default instance of SQL Server. 
{ 
Server srv = default(Server); 
srv = new Server(); 
//Declare a JobServer object variable and reference the SQL Server Agent. 
JobServer js = default(JobServer); 
js = srv.JobServer; 
//Define a Credential object variable by supplying the parent server and name arguments in the constructor. 
Credential c = default(Credential); 
c = new Credential(srv, "Proxy_accnt"); 
//Set the identity to a valid login represented by the vIdentity string variable. 
//The sub system will run under this login. 
c.Identity = vIdentity; 
//Create the credential on the instance of SQL Server. 
c.Create(); 
//Define a ProxyAccount object variable by supplying the SQL Server Agent, the name, the credential, the description arguments in the constructor. 
ProxyAccount pa = default(ProxyAccount); 
pa = new ProxyAccount(js, "Test_proxy", "Proxy_accnt", true, "Proxy account for users to run job steps in command shell."); 
//Create the proxy account on the SQL Agent. 
pa.Create(); 
//Add the login, represented by the vLogin string variable, to the proxy account. 
pa.AddLogin(vLogin); 
//Add the CmdExec subsytem to the proxy account. 
pa.AddSubSystem(AgentSubSystem.CmdExec); 
} 
//Now users logged on as vLogin can run CmdExec job steps with the specified credentials. 
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