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|
PC Week Database
Benchmark Index Analysis |
|
|
|
|
|
|
=
data-entry area |
R =
field that would benefit from an index |
A =
field that is accessed by the query |
W =
field that is written to |
|
|
|
OLTP Read Select |
|
OLTP Read Join |
|
OLTP Write |
|
DSS Select |
|
|
oltp_read_select_01 |
oltp_read_select_02 |
oltp_read_select_03 |
oltp_read_select_04 |
oltp_read_select_05 |
oltp_read_select_06 |
oltp_read_select_07 |
oltp_read_select_08 |
oltp_read_select_09 |
oltp_read_select_10 |
oltp_read_select_11 |
oltp_read_select_12 |
oltp_read_select_13 |
oltp_read_select_14 |
oltp_read_select_15 |
oltp_read_select_16 |
oltp_read_select_17 |
oltp_read_select_18 |
|
oltp_read_join_01 |
oltp_read_join_02 |
oltp_read_join_03 |
oltp_read_join_04 |
oltp_read_join_05 |
oltp_read_join_06 |
oltp_read_join_07 |
oltp_read_join_08 |
oltp_read_join_09 |
oltp_read_join_10 |
oltp_read_join_11 |
oltp_read_join_12 |
oltp_read_join_13 |
oltp_read_join_14 |
|
oltp_write_01 |
oltp_write_02 |
oltp_write_03 |
oltp_write_04 |
oltp_write_05 |
|
dss_select_01 |
dss_select_02 |
dss_select_03 |
dss_select_04 |
dss_select_05 |
dss_select_06 |
dss_select_06_noview |
dss_select_07 |
dss_select_07_noview |
dss_select_08 |
dss_select_09 |
dss_select_10 |
dss_select_11 |
|
|
|
|
|
|
# indicies that could be used: |
1 |
2 |
1 |
1 |
1 |
1 |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
1 |
1 |
2 |
1 |
2 |
|
2 |
3 |
3 |
4 |
2 |
3 |
2 |
2 |
3 |
3 |
4 |
4 |
2 |
3 |
|
1 |
1 |
2 |
6 |
3 |
5 |
5 |
3 |
3 |
1 |
1 |
1 |
1 |
|
|
|
# tables accessed: |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
|
2 |
2 |
2 |
2 |
2 |
2 |
2 |
2 |
3 |
3 |
4 |
4 |
2 |
2 |
|
1 |
1 |
1 |
1 |
2 |
2 |
2 |
2 |
2 |
1 |
1 |
1 |
1 |
|
|
|
|
|
| # of queries that: |
R |
W |
|
|
|
|
|
| uniques |
13 |
0 |
|
|
|
|
|
|
|
R |
|
|
|
|
|
|
|
R |
|
|
|
|
|
R |
|
|
R |
R |
R |
R |
R |
R |
R |
R |
R |
|
|
|
|
|
|
|
|
|
R |
|
|
|
|
|
|
|
|
|
|
|
|
| u_key
(clustered)[1] |
8 |
0 |
|
|
R |
|
A |
|
|
|
R |
R |
R |
|
R |
|
R |
|
R |
|
|
|
|
|
R |
|
|
| u_int |
0 |
0 |
|
|
A |
|
A |
|
|
|
A |
|
A |
|
|
|
|
|
|
| u_signed (unused
index) |
0 |
0 |
|
|
A |
|
A |
|
|
|
A |
|
A |
A |
A |
A |
A |
|
A |
|
|
|
|
|
|
| u_float |
0 |
0 |
|
|
|
|
|
|
|
|
|
| u_double |
0 |
0 |
|
|
A |
|
A |
|
|
|
|
|
|
|
|
| u_decim |
0 |
0 |
|
|
|
|
|
|
|
|
|
| u_date |
0 |
0 |
|
|
|
|
A |
|
A |
A |
A |
A |
|
|
|
|
|
|
| u_code |
5 |
0 |
|
|
A |
|
A |
|
|
|
R |
|
R |
|
R |
|
R |
|
R |
|
|
|
|
|
|
| u_name |
1 |
0 |
|
|
A |
|
R |
|
|
|
A |
|
A |
A |
A |
A |
|
A |
|
|
|
|
|
|
| u_address |
0 |
0 |
|
|
|
|
|
|
|
|
|
|
| hundred |
17 |
0 |
|
|
R |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
R |
|
|
R |
|
|
R |
R |
R |
R |
R |
R |
|
|
|
|
|
|
|
|
|
|
|
R |
|
R |
R |
R |
R |
R |
R |
R |
|
|
|
| h_key
(clustered) |
12 |
0 |
|
|
R |
|
|
R |
|
R |
|
R |
|
R |
|
R |
|
|
|
|
|
R |
|
R |
R |
R |
R |
R |
|
|
| h_int |
2 |
0 |
|
|
|
|
|
|
|
|
R |
R |
|
|
| h_signed (unused
index) |
0 |
0 |
|
|
A |
|
|
A |
|
A |
|
A |
A |
A |
A |
|
|
|
|
|
|
| h_float |
0 |
0 |
|
|
|
|
|
|
|
|
|
| h_double |
0 |
0 |
|
|
|
|
|
|
|
|
|
| h_decim |
0 |
0 |
|
|
|
|
|
|
|
|
|
| h_date |
1 |
0 |
|
|
A |
|
|
A |
|
R |
|
A |
A |
A |
A |
|
|
|
|
|
|
| h_code |
5 |
0 |
|
|
A |
|
|
|
R |
|
R |
|
R |
|
|
|
|
|
R |
R |
|
|
| h_name |
4 |
0 |
|
|
R |
|
|
A |
|
A |
|
A |
A |
|
|
|
|
|
R |
|
R |
R |
|
|
| h_address |
0 |
0 |
|
|
|
A |
|
A |
|
|
|
|
|
|
|
| tenpct |
15 |
0 |
|
|
|
R |
|
|
|
|
R |
R |
|
|
R |
R |
R |
|
|
|
|
|
|
|
|
|
R |
|
|
|
R |
R |
R |
R |
R |
R |
|
|
|
|
|
|
|
R |
|
|
R |
|
|
|
|
|
|
|
|
|
|
| t_key
(clustered with code) |
7 |
0 |
|
|
R |
|
R |
A |
|
A |
A |
A |
|
|
|
R |
|
R |
|
R |
|
R |
A |
|
|
|
R |
|
|
| t_int |
1 |
0 |
|
|
A |
|
A |
A |
|
A |
A |
A |
|
|
|
A |
|
|
|
|
|
R |
|
|
| t_signed |
3 |
0 |
|
|
A |
|
A |
R |
|
R |
A |
A |
|
|
|
A |
|
A |
A |
|
A |
|
|
|
|
|
R |
|
|
| t_float |
1 |
0 |
|
|
|
|
|
|
|
|
R |
|
|
| t_double |
1 |
0 |
|
|
A |
|
A |
A |
|
A |
A |
A |
|
|
|
|
|
|
|
R |
|
|
| t_decim |
1 |
0 |
|
|
|
|
|
|
|
|
R |
|
|
| t_date |
2 |
0 |
|
|
R |
R |
|
|
|
A |
A |
A |
A |
|
|
|
|
|
|
| t_code |
3 |
0 |
|
|
A |
|
A |
A |
|
A |
A |
A |
|
|
|
R |
|
R |
|
R |
|
|
|
|
|
| t_name |
3 |
0 |
|
|
A |
|
R |
A |
|
R |
A |
A |
|
|
|
|
|
|
|
R |
|
|
| t_address |
0 |
0 |
|
|
|
|
|
|
|
|
|
|
| updates |
14 |
2 |
|
|
|
|
R |
R |
R |
|
|
|
|
|
|
|
|
|
|
|
|
|
R |
|
R |
R |
|
|
|
|
|
|
R |
R |
|
|
|
W |
W |
|
|
R |
|
|
|
|
|
R |
R |
R |
R |
R |
|
|
|
|
|
| p_key
(clustered) |
13 |
0 |
|
|
A |
R |
A |
|
|
R |
|
R |
R |
|
R |
|
|
R |
R |
|
R |
|
|
R |
R |
R |
R |
R |
|
|
| p_int
(references hundred.h_key) |
1 |
1 |
|
|
A |
A |
R |
|
|
|
|
W |
|
|
|
|
| p_signed |
0 |
1 |
|
|
A |
A |
A |
|
|
|
A |
|
|
|
W |
|
|
|
|
| p_float |
0 |
0 |
|
|
|
|
|
|
|
|
|
| p_double |
0 |
0 |
|
|
A |
A |
A |
|
|
|
|
|
|
|
|
| p_decim |
6 |
0 |
|
|
|
|
|
|
R |
|
|
R |
R |
R |
R |
R |
|
|
| p_date
(unused index) |
0 |
0 |
|
|
|
|
A |
|
A |
A |
|
|
|
|
|
|
| p_code |
3 |
0 |
|
|
R |
A |
A |
|
|
A |
|
R |
|
R |
|
|
|
|
|
|
| p_name |
0 |
0 |
|
|
A |
A |
A |
|
|
|
A |
|
|
|
|
|
|
| p_address |
0 |
0 |
|
|
|
|
|
|
|
|
|
|
| tenthou |
4 |
0 |
|
|
|
|
|
|
|
|
|
|
R |
|
|
|
|
|
|
R |
R |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
R |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| t_key
(clustered with code) |
2 |
0 |
|
|
R |
|
A |
|
|
R |
|
|
|
|
|
| t_int |
0 |
0 |
|
|
A |
|
A |
|
|
|
|
|
|
|
| t_signed |
2 |
0 |
|
|
R |
|
R |
|
|
A |
|
|
|
|
|
| t_float |
0 |
0 |
|
|
|
|
|
|
|
|
|
| t_double |
0 |
0 |
|
|
A |
|
A |
|
|
|
|
|
|
|
| t_decim |
1 |
0 |
|
|
R |
|
|
|
|
|
|
|
|
| t_date |
0 |
0 |
|
|
|
|
|
|
|
|
|
| t_code |
1 |
0 |
|
|
A |
|
A |
|
|
R |
|
|
|
|
|
| t_name |
1 |
0 |
|
|
A |
|
R |
|
|
A |
|
|
|
|
|
| t_address |
0 |
0 |
|
|
|
|
|
|
|
|
|
|
| hunthou |
2 |
0 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
R |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
R |
|
|
| h_key |
0 |
0 |
|
|
|
|
|
|
|
|
|
| h_int |
0 |
0 |
|
|
|
|
|
|
|
|
|
| h_signed |
1 |
0 |
|
|
R |
|
|
|
|
|
|
|
|
| h_float (deliberately left unindexed) |
1 |
0 |
|
|
|
|
|
|
|
|
R |
|
|
| h_double |
0 |
0 |
|
|
|
|
|
|
|
|
|
| h_decim |
0 |
0 |
|
|
|
|
|
|
|
|
|
| h_date |
0 |
0 |
|
|
|
|
|
|
|
|
|
| h_code |
0 |
0 |
|
|
|
|
|
|
|
|
|
| h_name |
0 |
0 |
|
|
|
|
|
|
|
|
|
| h_address (deliberately left unindexed) |
1 |
0 |
|
|
R |
|
|
|
|
|
|
|
|
|
| twomill |
2 |
0 |
|
|
|
|
|
|
|
|
|
|
|
R |
|
|
|
|
|
|
|
|
|
R |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| p_key
(clustered) |
2 |
0 |
|
|
R |
|
|
|
R |
|
|
|
|
|
|
| p_int |
0 |
0 |
|
|
A |
|
|
|
|
|
|
|
|
| p_signed |
0 |
0 |
|
|
A |
|
|
|
|
|
|
|
|
| p_float |
0 |
0 |
|
|
|
|
|
|
|
|
|
| p_double |
0 |
0 |
|
|
A |
|
|
|
|
|
|
|
|
| p_decim |
0 |
0 |
|
|
|
|
|
|
|
|
|
| p_date (unused
index) |
0 |
0 |
|
|
|
|
|
|
|
|
|
| p_code |
1 |
0 |
|
|
A |
|
|
|
R |
|
|
|
|
|
|
| p_name |
0 |
0 |
|
|
A |
|
|
|
|
|
|
|
|
| p_address |
0 |
0 |
|
|
|
|
|
|
|
|
|
|
| threemill |
1 |
0 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
R |
|
| t_key
(clustered) |
0 |
0 |
|
|
|
|
|
|
|
|
|
| t_int |
0 |
0 |
|
|
|
|
|
|
|
|
|
| t_signed |
1 |
0 |
|
|
|
|
|
|
|
|
R |
|
| t_float |
0 |
0 |
|
|
|
|
|
|
|
|
|
| t_double |
0 |
0 |
|
|
|
|
|
|
|
|
|
| t_decim |
0 |
0 |
|
|
|
|
|
|
|
|
|
| t_date |
0 |
0 |
|
|
|
|
|
|
|
|
|
| t_code |
0 |
0 |
|
|
|
|
|
|
|
|
|
| t_name |
0 |
0 |
|
|
|
|
|
|
|
|
|
| t_address |
0 |
0 |
|
|
|
|
|
|
|
|
|
|
| fourmill |
0 |
1 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
W |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| t_key
(clustered) |
1 |
0 |
|
|
|
|
|
|
R |
|
|
|
|
| t_int |
0 |
0 |
|
|
|
|
|
|
|
|
|
| t_signed |
0 |
0 |
|
|
|
|
|
|
|
|
|
| t_float |
0 |
0 |
|
|
|
|
|
|
|
|
|
| t_double |
0 |
0 |
|
|
|
|
|
|
|
|
|
| t_decim |
0 |
0 |
|
|
|
|
|
|
|
|
|
| t_date |
0 |
0 |
|
|
|
|
|
|
|
|
|
| t_code |
0 |
0 |
|
|
|
|
|
|
|
|
|
| t_name |
0 |
1 |
|
|
|
|
|
|
W |
|
|
|
|
| t_address (deliberately left unindexed) |
0 |
1 |
|
|
|
|
|
|
W |
|
|
|
|
|
| fivemill |
1 |
1 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
R |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
W |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| h_key
(clustered) |
1 |
1 |
|
|
|
|
R |
|
|
|
W |
|
|
|
|
| h_int |
0 |
1 |
|
|
|
|
|
|
W |
|
|
|
|
| h_signed |
0 |
1 |
|
|
|
|
|
|
W |
|
|
|
|
| h_float |
0 |
1 |
|
|
|
|
|
|
W |
|
|
|
|
| h_double |
0 |
1 |
|
|
|
|
|
|
W |
|
|
|
|
| h_decim |
0 |
1 |
|
|
|
|
|
|
W |
|
|
|
|
| h_date |
0 |
1 |
|
|
|
|
|
|
W |
|
|
|
|
| h_code |
1 |
1 |
|
|
|
|
R |
|
|
|
W |
|
|
|
|
| h_name |
0 |
1 |
|
|
|
|
|
|
W |
|
|
|
|
| h_address |
0 |
1 |
|
|
|
|
|
|
W |
|
|
|
|
|
| fourram |
2 |
0 |
|
R |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
R |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| p_key
(clustered) |
2 |
0 |
|
R |
|
|
|
R |
|
|
|
|
|
|
| p_int |
0 |
0 |
|
|
|
|
|
|
|
|
|
| p_signed |
0 |
0 |
|
A |
|
|
|
A |
|
|
|
|
|
|
| p_float |
0 |
0 |
|
|
|
|
|
|
|
|
|
| p_double |
0 |
0 |
|
|
|
|
|
|
|
|
|
| p_decim |
0 |
0 |
|
|
|
|
|
|
|
|
|
| p_date |
0 |
0 |
|
A |
|
|
|
|
|
|
|
|
| p_code |
0 |
0 |
|
A |
|
|
|
|
|
|
|
|
| p_name |
0 |
0 |
|
A |
|
|
|
A |
|
|
|
|
|
|
| p_address |
0 |
0 |
|
|
|
|
|
|
|
|
|
|
| upd_int_history |
0 |
1 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
W |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| p_key
(clustered with p_int) |
0 |
1 |
|
|
|
|
|
W |
|
|
|
|
| p_int |
0 |
1 |
|
|
|
|
|
W |
|
|
|
|
| p_date |
0 |
1 |
|
|
|
|
|
W |
|
|
|
|
|
| oltp_write_01_check_value |
1 |
0 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
R |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| int_avg |
1 |
0 |
|
|
|
|
|
R |
|
|
|
|
|
| upd_signed_history |
0 |
1 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
W |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| p_key
(clustered with p_signed) |
0 |
1 |
|
|
|
|
|
|
W |
|
|
|
|
| p_signed |
0 |
1 |
|
|
|
|
|
|
W |
|
|
|
|
| p_date |
0 |
1 |
|
|
|
|
|
|
W |
|
|
|
|
|
| del_history |
0 |
1 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
W |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| h_key
(clustered) |
0 |
1 |
|
|
|
|
|
|
W |
|
|
|
|
| h_int |
0 |
1 |
|
|
|
|
|
|
W |
|
|
|
|
| h_signed |
0 |
1 |
|
|
|
|
|
|
W |
|
|
|
|
| h_float |
0 |
1 |
|
|
|
|
|
|
W |
|
|
|
|
| h_double |
0 |
1 |
|
|
|
|
|
|
W |
|
|
|
|
| h_decim |
0 |
1 |
|
|
|
|
|
|
W |
|
|
|
|
| h_date |
0 |
1 |
|
|
|
|
|
|
W |
|
|
|
|
| h_code |
0 |
1 |
|
|
|
|
|
|
W |
|
|
|
|
| h_name |
0 |
1 |
|
|
|
|
|
|
W |
|
|
|
|
| h_address |
0 |
1 |
|
|
|
|
|
|
W |
|
|
|
|
|
| oltp_write_04_count_updates |
0 |
1 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
W |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| num_updates |
0 |
1 |
|
|
|
|
|
|
W |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|