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Assembly Load Event Class

The Assembly Load event class occurs when a request to load an assembly is executed.

Include the Assembly Load event class in traces where you want to monitor assembly loads. This can be useful when troubleshooting a query that uses common language runtime (CLR), when troubleshooting a slow running server that is running CLR queries, or when monitoring a server to gather user, database, success, or other information about assembly loads.

Data column name

Data type

Description

Column ID

Filterable

ApplicationName

nvarchar

The name of the application that requested the load.

10

Yes

ClientProcessID

int

ID assigned by the host computer to the process where the client application is running. This data column is populated if the client provides the client process ID.

9

Yes

DatabaseID

int

ID of the database specified by the USE database statement or the default database if no USE database statement has been issued for a given instance. SQL Server Profiler displays the name of the database if the ServerName data column is captured in the trace and the server is available. Determine the value for a database by using the DB_ID function.

3

Yes

DatabaseName

nvarchar

Name of the database in which the user statement is running.

35

Yes

EventSequence

int

Sequence of a given event within the request.

51

No

GroupID

int

ID of the workload group where the SQL Trace event fires.

66

Yes

HostName

nvarchar

Name of the computer on which the client is running. This data column is populated if the client provides the host name. To determine the host name, use the HOST_NAME function.

8

Yes

LoginName

nvarchar

Name of the login of the user (either SQL Server security login or the Microsoft Windows login credentials in the form of DOMAIN\username).

11

Yes

LoginSID

image

Security identifier (SID) of the logged-in user. You can find this information in the sys.server_principals catalog view. Each SID is unique for each login in the server.

41

Yes

NTDomainName

nvarchar

Windows domain to which the user belongs.

7

Yes

NTUserName

nvarchar

Windows user name.

6

Yes

ObjectID

int

Assembly ID.

22

Yes

ObjectName

nvarchar

Fully qualified name of the assembly.

34

Yes

RequestID

int

ID of the request containing the statement.

49

Yes

ServerName

nvarchar

Name of the instance of SQL Server being traced.

26

No

SessionLoginName

nvarchar

Login name of the user that originated the session. For example, if you connect to SQL Server using Login1 and execute a statement as Login2, SessionLoginName shows Login1 and LoginName shows Login2. This column displays both SQL Server and Windows logins.

64

Yes

SPID

int

ID of the session on which the event occurred.

12

Yes

StartTime

datetime

Time at which the event started, if available.

14

Yes

Success

int

Indicates whether the assembly load succeeded (1) or failed (0).

23

Yes

TextData

ntext

"Assembly Load Succeeded" if the load succeeds; otherwise, "Assembly Load Failed".

1

Yes

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