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Describing Events by Using Data Columns

SQL Trace uses data columns in the trace output to describe events that are returned when the trace runs.

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In SQL Server 2005, trace column values greater than 1 GB return an error and are truncated in the trace output.

The following table describes the Microsoft SQL Server Profiler data columns, which are the same data columns as those used by SQL Trace, and indicates the columns that are selected by default.

Data column Column number Description

ApplicationName 1

10

The name of the client application that created the connection to an instance of SQL Server. This column is populated with the values passed by the application and not the name of the program.

BigintData1

52

Value (bigint data type), which depends on the event class specified in the trace.

BigintData2

53

Value (bigint data type), which depends on the event class specified in the trace.

Binary Data

2

The binary value dependent on the event class that is captured in the trace.

ClientProcessID 1

9

The 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.

ColumnPermissions

44

Indicates whether a column permission was set. You can parse the statement text to determine which permissions were applied to which columns.

CPU

18

The amount of CPU time (in milliseconds) that is used by the event.

Database ID 1

3

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

DatabaseName

35

The name of the database in which the user statement is running.

DBUserName 1

40

The SQL Server user name of the client.

Duration

13

The duration (in microseconds) of the event.

In SQL Server 2005, the server reports the duration of an event in microseconds (one millionth, or 10-6, of a second) and the amount of CPU time used by the event in milliseconds (one thousandth, or 10-3, of a second). In SQL Server 2000, the server reported both duration and CPU time in milliseconds. In SQL Server 2005, the SQL Server Profiler graphical user interface displays the Duration column in milliseconds by default, but when a trace is saved to either a file or a database table, the Duration column value is written in microseconds.
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EndTime

15

The time at which the event ended. This column is not populated for event classes that refer to an event that is starting, such as SQL:BatchStarting or SP:Starting.

Error

31

The error number of a given event. Often this is the error number stored in sysmessages.

EventClass 1

27

The type of event class that is captured.

EventSequence

51

Sequence number for this event.

EventSubClass 1

21

The type of event subclass, which provides further information about each event class. For example, event subclass values for the Execution Warning event class represent the type of execution warning:

1 = Query wait. The query must wait for resources before it can execute; for example, memory.

2 = Query time-out. The query timed out while waiting for required resources to execute. This data column is not populated for all event classes.

GUID

54

GUID value which depends on the event class specified in the trace.

FileName

36

The logical name of the file that is modified.

Handle

33

The integer used by ODBC, OLE DB, or DB-Library to coordinate server execution.

HostName 1

8

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

IndexID

24

The ID for the index on the object affected by the event. To determine the index ID for an object, use the indid column of the sysindexes system table.

IntegerData

25

The integer value dependent on the event class captured in the trace.

IntegerData2

55

The integer value dependent on the event class captured in the trace.

IsSystem

60

Indicates whether the event occurred on a system process or a user process:

1 = system

0 = user

LineNumber

5

Contains the number of the line that contains the error. For events that involve Transact-SQL statements, like SP:StmtStarting, the LineNumber contains the line number of the statement in the stored procedure or batch.

LinkedServerName

45

Name of the linked server.

LoginName

11

The name of the login of the user (either SQL Server security login or the Windows login credentials in the form of DOMAIN\Username).

LoginSid 1

41

The security identifier (SID) of the logged-in user. You can find this information in the sys.server_principals view of the master database. Each login to the server has a unique ID.

MethodName

47

Name of the OLEDB method.

Mode

32

The integer used by various events to describe a state the event is requesting or has received.

NestLevel

29

The integer that represents the data returned by @@NESTLEVEL.

NTDomainName 1

7

The Microsoft Windows domain to which the user belongs.

NTUserName 1

6

The Windows user name.

ObjectID

22

The system-assigned ID of the object.

ObjectID2

56

The ID of the related object or entity, if available.

ObjectName

34

The name of the object that is referenced.

ObjectType 2

28

The value representing the type of the object involved in the event. This value corresponds to the type column in sysobjects.

Offset

61

The starting offset of the statement within the stored procedure or batch.

OwnerID

58

For lock events only. The type of the object that owns a lock.

OwnerName

37

The database user name of the object owner.

ParentName

59

The name of the schema in which the object resides.

Permissions

19

The integer value that represents the type of permissions checked. Values are:

1 = SELECT ALL

2 = UPDATE ALL

4 = REFERENCES ALL

8 = INSERT

16 = DELETE

32 = EXECUTE (procedures only)

4096 = SELECT ANY (at least one column)

8192 = UPDATE ANY

16384 = REFERENCES ANY

ProviderName

46

Name of the OLEDB provider.

Reads

16

The number of read operations on the logical disk that are performed by the server on behalf of the event. These read operations include all reads from tables and buffers during the statement's execution.

RequestID

49

ID of the request that contains the statement.

RoleName

38

The name of the application role that is being enabled.

RowCounts

48

The number of rows in the batch.

ServerName 1

26

The name of the instance of SQL Server that is being traced.

SessionLoginName

64

The 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 displays Login1, while LoginName displays Login2. This data column displays both SQL Server and Windows logins.

Severity

20

The severity level of the exception event.

SourceDatabaseID

62

The ID of the database in which the source of the object exists.

SPID

12

The server process ID (SPID) that is assigned by SQL Server to the process that is associated with the client.

SqlHandle

63

64-bit hash based on the text of an ad hoc query or the database and object ID of an SQL object. This value can be passed to sys.dm_exec_sql_text() to retrieve the associated SQL text.

StartTime 1

14

The time at which the event started, when available.

State

30

Error state code.

Success

23

Represents whether the event was successful. Values include:

1 = Success.

0 = Failure

For example, a 1 means a successful permissions check, and a 0 means a failed check.

TargetLoginName

42

For actions that target a login, the name of the targeted login; for example, to add a new login.

TargetLoginSid

43

For actions that target a login, the SID of the targeted login; for example, to add a new login.

TargetUserName

39

For actions that target a database user, the name of that user; for example, to grant permission to a user.

TextData

1

The text value dependent on the event class that is captured in the trace. However, if you trace a parameterized query, the variables are not displayed with data values in the TextData column.

Transaction ID

4

The system-assigned ID of the transaction.

Type

57

The integer value dependent on the event class captured in the trace.

Writes

17

The number of physical disk write operations that are performed by the server on behalf of the event.

XactSequence

50

A token to describe the current transaction.

1 These data columns are populated by default for all events.

2 For more information about the ObjectType data column, see ObjectType Trace Event Column.

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