Analyzes the cardinality of columns in a table.
Note: sp_iqcardinality_analysis no longer returns an index type
value or index recommendation. Users are advised to Run Index
Advisor for suggestions about additional column indexes.
sp_iqcardinality_analysis is deprecated and will be
removed in a future release.
Syntax
sp_iqcardinality_analysis ( [ ‘table_name’ ], [ ‘table_owner’ ], [ ‘script’ ] )
Parameters
Parameter
|
Description
|
|---|
table_name
|
Name of the table.
|
table_owner
|
Name of the table owner. If this parameter
is not specified, then the procedure looks for a table owned by
the current user.
|
script
|
The
script :
table_name
table_owner
column_name
cardinality
index_type
index recommendation
|
Usage
If you do not specify any parameters, then SAP Sybase IQ
displays create_index SQL statements for all
columns in all tables owned by the current user.
If
you specify script, you can redirect the output
to generate the script file:
OUTPUT TO ‘indexfile.sql’ FORMAT ASCII QUOTE '';
Privileges
Requires
be either table owner or have SELECT ANY TABLE
system privilege. In addition, user must have at
least ONE of the following: CREATE ANY INDEX,
ALTER ANY INDEX, CREATE ANY OBJECT, or ALTER ANY
OBJECT.
Example
sp_iqcardinality_analysis 'Departments', 'GROUPO'
table_name
|
table_owner
|
column_name
|
cardinality
|
index type
|
Index Recommendation
|
|---|
|
Departments
|
GROUPO
|
DepartmentID
|
5
|
|
Run Index Advisor
|
|
Departments
|
GROUPO
|
DepartmentName
|
5
|
|
Run Index Advisor
|
|
Departments
|
GROUPO
|
DepartmentHeadID
|
5
|
|
Run Index Advisor
|