EventLog Event Class
The EventLog event class indicates that events have been logged in the Microsoft Windows event log.
EventLog Event Class Data Columns
| Data column name | Data type | Description | Column ID | Filterable |
|---|---|---|---|---|
ApplicationName |
nvarchar |
Name of the client application that created the connection to an instance of Microsoft SQL Server. This column is populated with the values passed by the application rather than the displayed name of the program. |
10 |
Yes |
BinaryData |
image |
Binary value dependent on the event class captured in the trace. |
2 |
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 |
Error |
int |
Error number of a given event, if available. |
31 |
Yes |
EventClass |
int |
Type of event = 21. |
27 |
No |
EventSequence |
int |
Sequence of a given event within the request. |
51 |
No |
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 |
IsSystem |
int |
Indicates whether the event occurred on a system process or a user process. 1 = system, 0 = user. |
60 |
Yes |
LoginName |
nvarchar |
Name of the login of the user (either SQL Server security login or the 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 syslogins table of the master database. 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 |
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 who 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 |
Severity |
int |
Severity level of an exception. |
20 |
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 |
TextData |
ntext |
Text of the error message, if available. |
1 |
Yes |
TransactionID |
bigint |
System-assigned ID of the transaction. |
4 |
Yes |
See Also
Other Resources
Monitoring Events
sp_trace_setevent (Transact-SQL)