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Data File Auto Shrink Event Class

The Data File Auto Shrink event class indicates that the data file has been shrunk. This event is not triggered if the data file shrinks because of an explicit ALTER DATABASE statement. Include the Data File Auto Shrink event class in traces that monitor the data file size changes.

When the Data File Auto Shrink event class is included in a trace, the amount of overhead incurred is low unless the data file frequently shrinks.

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

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 process ID is provided by the client.

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

Duration

bigint

Time (in milliseconds) to shrink the file.

13

Yes

EndTime

datetime

Time that the auto shrink ended.

18

Yes

EventClass

int

Type of event recorded = 94.

27

No

EventSequence

int

Sequence of event class in batch.

51

No

Filename

nvarchar

Logical name of the file being shrunk.

36

Yes

HostName

nvarchar

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

8

Yes

IntegerData

int

Number of 8-KB pages by which the file was reduced.

25

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 the SQL Server security login or the Microsoft Windows login credentials in the form of DOMAIN\Username).

11

Yes

LoginSid

image

Security identification number (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

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

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

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