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SQL Exercise: 2nd highest stoppage time in the 2nd half of matches

SQL soccer Database: Joins Exercise-23 with Solution

23. From the following tables, write a SQL query to find those match(s) where the second highest amount of stoppage time was added in the second half of the match. Return match number, country name and stoppage time.

Sample table: match_mast
 match_no | play_stage | play_date  | results | decided_by | goal_score | venue_id | referee_id | audence | plr_of_match | stop1_sec | stop2_sec
----------+------------+------------+---------+------------+------------+----------+------------+---------+--------------+-----------+-----------
        1 | G          | 2016-06-11 | WIN     | N          | 2-1        |    20008 |      70007 |   75113 |       160154 |       131 |       242
        2 | G          | 2016-06-11 | WIN     | N          | 0-1        |    20002 |      70012 |   33805 |       160476 |        61 |       182
        3 | G          | 2016-06-11 | WIN     | N          | 2-1        |    20001 |      70017 |   37831 |       160540 |        64 |       268
        4 | G          | 2016-06-12 | DRAW    | N          | 1-1        |    20005 |      70011 |   62343 |       160128 |         0 |       185
        5 | G          | 2016-06-12 | WIN     | N          | 0-1        |    20007 |      70006 |   43842 |       160084 |       125 |       325
        6 | G          | 2016-06-12 | WIN     | N          | 1-0        |    20006 |      70014 |   33742 |       160291 |         2 |       246
        7 | G          | 2016-06-13 | WIN     | N          | 2-0        |    20003 |      70002 |   43035 |       160176 |        89 |       188
        8 | G          | 2016-06-13 | WIN     | N          | 1-0        |    20010 |      70009 |   29400 |       160429 |       360 |       182
        9 | G          | 2016-06-13 | DRAW    | N          | 1-1        |    20008 |      70010 |   73419 |       160335 |        67 |       194
       10 | G          | 2016-06-14 | WIN     | N          | 0-2        |    20004 |      70005 |   55408 |       160244 |        63 |       189
       11 | G          | 2016-06-14 | WIN     | N          | 0-2        |    20001 |      70018 |   34424 |       160197 |        61 |       305
       12 | G          | 2016-06-15 | DRAW    | N          | 1-1        |    20009 |      70004 |   38742 |       160320 |        15 |       284
       13 | G          | 2016-06-15 | WIN     | N          | 1-2        |    20003 |      70001 |   38989 |       160405 |        62 |       189
       14 | G          | 2016-06-15 | DRAW    | N          | 1-1        |    20007 |      70015 |   43576 |       160477 |        74 |       206
       15 | G          | 2016-06-16 | WIN     | N          | 2-0        |    20005 |      70013 |   63670 |       160154 |        71 |       374
       16 | G          | 2016-06-16 | WIN     | N          | 2-1        |    20002 |      70003 |   34033 |       160540 |        62 |       212
       17 | G          | 2016-06-16 | WIN     | N          | 0-2        |    20004 |      70016 |   51043 |       160262 |         7 |       411
       18 | G          | 2016-06-17 | DRAW    | N          | 0-0        |    20008 |      70008 |   73648 |       160165 |         6 |       208
       19 | G          | 2016-06-17 | WIN     | N          | 1-0        |    20010 |      70007 |   29600 |       160248 |         2 |       264
       20 | G          | 2016-06-17 | DRAW    | N          | 2-2        |    20009 |      70005 |   38376 |       160086 |        71 |       280
       21 | G          | 2016-06-18 | WIN     | N          | 3-0        |    20006 |      70010 |   33409 |       160429 |        84 |       120
       22 | G          | 2016-06-18 | WIN     | N          | 3-0        |    20001 |      70004 |   39493 |       160064 |        11 |       180
       23 | G          | 2016-06-18 | DRAW    | N          | 1-1        |    20005 |      70015 |   60842 |       160230 |        61 |       280
       24 | G          | 2016-06-19 | DRAW    | N          | 0-0        |    20007 |      70011 |   44291 |       160314 |         3 |       200
       25 | G          | 2016-06-20 | WIN     | N          | 0-1        |    20004 |      70016 |   49752 |       160005 |       125 |       328
       26 | G          | 2016-06-20 | DRAW    | N          | 0-0        |    20003 |      70001 |   45616 |       160463 |        60 |       122
       27 | G          | 2016-06-21 | WIN     | N          | 0-3        |    20010 |      70006 |   28840 |       160544 |        62 |       119
       28 | G          | 2016-06-21 | DRAW    | N          | 0-0        |    20009 |      70012 |   39051 |       160392 |        62 |       301
       29 | G          | 2016-06-21 | WIN     | N          | 0-1        |    20005 |      70017 |   58874 |       160520 |        29 |       244
       30 | G          | 2016-06-21 | WIN     | N          | 0-1        |    20007 |      70018 |   44125 |       160177 |        21 |       195
       31 | G          | 2016-06-22 | WIN     | N          | 0-2        |    20002 |      70013 |   32836 |       160504 |        60 |       300
       32 | G          | 2016-06-22 | WIN     | N          | 2-1        |    20001 |      70008 |   37245 |       160085 |        70 |       282
       33 | G          | 2016-06-22 | WIN     | N          | 2-1        |    20008 |      70009 |   68714 |       160220 |         7 |       244
       34 | G          | 2016-06-22 | DRAW    | N          | 3-3        |    20004 |      70002 |   55514 |       160322 |        70 |       185
       35 | G          | 2016-06-23 | WIN     | N          | 0-1        |    20003 |      70014 |   44268 |       160333 |        79 |       221
       36 | G          | 2016-06-23 | WIN     | N          | 0-1        |    20006 |      70003 |   34011 |       160062 |        63 |       195
       37 | R          | 2016-06-25 | WIN     | P          | 1-1        |    20009 |      70005 |   38842 |       160476 |       126 |       243
       38 | R          | 2016-06-25 | WIN     | N          | 1-0        |    20007 |      70002 |   44342 |       160547 |         5 |       245
       39 | R          | 2016-06-26 | WIN     | N          | 0-1        |    20002 |      70012 |   33523 |       160316 |        61 |       198
       40 | R          | 2016-06-26 | WIN     | N          | 2-1        |    20004 |      70011 |   56279 |       160160 |       238 |       203
       41 | R          | 2016-06-26 | WIN     | N          | 3-0        |    20003 |      70009 |   44312 |       160173 |        62 |       124
       42 | R          | 2016-06-27 | WIN     | N          | 0-4        |    20010 |      70010 |   28921 |       160062 |         3 |       133
       43 | R          | 2016-06-27 | WIN     | N          | 2-0        |    20008 |      70004 |   76165 |       160235 |        63 |       243
       44 | R          | 2016-06-28 | WIN     | N          | 1-2        |    20006 |      70001 |   33901 |       160217 |         5 |       199
       45 | Q          | 2016-07-01 | WIN     | P          | 1-1        |    20005 |      70003 |   62940 |       160316 |        58 |       181
       46 | Q          | 2016-07-02 | WIN     | N          | 3-1        |    20003 |      70001 |   45936 |       160550 |        14 |       182
       47 | Q          | 2016-07-03 | WIN     | P          | 1-1        |    20001 |      70007 |   38764 |       160163 |        63 |       181
       48 | Q          | 2016-07-04 | WIN     | N          | 5-2        |    20008 |      70008 |   76833 |       160159 |        16 |       125
       49 | S          | 2016-07-07 | WIN     | N          | 2-0        |    20004 |      70006 |   55679 |       160322 |         2 |       181
       50 | S          | 2016-07-08 | WIN     | N          | 2-0        |    20005 |      70011 |   64078 |       160160 |       126 |       275
       51 | F          | 2016-07-11 | WIN     | N          | 1-0        |    20008 |      70005 |   75868 |       160307 |       161 |       181
Sample table: match_details
 match_no | play_stage | team_id | win_lose | decided_by | goal_score | penalty_score | ass_ref | player_gk
----------+------------+---------+----------+------------+------------+---------------+---------+-----------
        1 | G          |    1207 | W        | N          |          2 |               |   80016 |    160140
        1 | G          |    1216 | L        | N          |          1 |               |   80020 |    160348
        2 | G          |    1201 | L        | N          |          0 |               |   80003 |    160001
        2 | G          |    1221 | W        | N          |          1 |               |   80023 |    160463
        3 | G          |    1224 | W        | N          |          2 |               |   80031 |    160532
        3 | G          |    1218 | L        | N          |          1 |               |   80025 |    160392
        4 | G          |    1206 | D        | N          |          1 |               |   80008 |    160117
        4 | G          |    1217 | D        | N          |          1 |               |   80019 |    160369
        5 | G          |    1222 | L        | N          |          0 |               |   80011 |    160486
        5 | G          |    1204 | W        | N          |          1 |               |   80022 |    160071
        6 | G          |    1213 | W        | N          |          1 |               |   80036 |    160279
        6 | G          |    1212 | L        | N          |          0 |               |   80029 |    160256
        7 | G          |    1208 | W        | N          |          2 |               |   80014 |    160163
        7 | G          |    1223 | L        | N          |          0 |               |   80006 |    160508
        8 | G          |    1219 | W        | N          |          1 |               |   80018 |    160416
        8 | G          |    1205 | L        | N          |          0 |               |   80012 |    160093
        9 | G          |    1215 | D        | N          |          1 |               |   80017 |    160324
        9 | G          |    1220 | D        | N          |          1 |               |   80010 |    160439
       10 | G          |    1203 | L        | N          |          0 |               |   80004 |    160047
       10 | G          |    1211 | W        | N          |          2 |               |   80007 |    160231
       11 | G          |    1202 | L        | N          |          0 |               |   80026 |    160024
       11 | G          |    1209 | W        | N          |          2 |               |   80028 |    160187
       12 | G          |    1214 | D        | N          |          1 |               |   80009 |    160302
       12 | G          |    1210 | D        | N          |          1 |               |   80015 |    160208
       13 | G          |    1217 | L        | N          |          1 |               |   80001 |    160369
       13 | G          |    1218 | W        | N          |          2 |               |   80002 |    160392
       14 | G          |    1216 | D        | N          |          1 |               |   80030 |    160348
       14 | G          |    1221 | D        | N          |          1 |               |   80032 |    160463
       15 | G          |    1207 | W        | N          |          2 |               |   80033 |    160140
       15 | G          |    1201 | L        | N          |          0 |               |   80027 |    160001
       16 | G          |    1206 | W        | N          |          2 |               |   80005 |    160117
       16 | G          |    1224 | L        | N          |          1 |               |   80013 |    160531
       17 | G          |    1223 | L        | N          |          0 |               |   80035 |    160508
       17 | G          |    1212 | W        | N          |          2 |               |   80034 |    160256
       18 | G          |    1208 | D        | N          |          0 |               |   80021 |    160163
       18 | G          |    1213 | D        | N          |          0 |               |   80024 |    160278
       19 | G          |    1211 | W        | N          |          1 |               |   80016 |    160231
       19 | G          |    1220 | L        | N          |          0 |               |   80020 |    160439
       20 | G          |    1205 | D        | N          |          2 |               |   80004 |    160093
       20 | G          |    1204 | D        | N          |          2 |               |   80007 |    160071
       21 | G          |    1219 | W        | N          |          3 |               |   80017 |    160416
       21 | G          |    1222 | L        | N          |          0 |               |   80010 |    160486
       22 | G          |    1203 | W        | N          |          3 |               |   80009 |    160047
       22 | G          |    1215 | L        | N          |          0 |               |   80015 |    160324
       23 | G          |    1210 | D        | N          |          1 |               |   80030 |    160208
       23 | G          |    1209 | D        | N          |          1 |               |   80032 |    160187
       24 | G          |    1214 | D        | N          |          0 |               |   80008 |    160302
       24 | G          |    1202 | D        | N          |          0 |               |   80019 |    160024
       25 | G          |    1216 | L        | N          |          0 |               |   80035 |    160348
       25 | G          |    1201 | W        | N          |          1 |               |   80034 |    160001
       26 | G          |    1221 | D        | N          |          0 |               |   80001 |    160463
       26 | G          |    1207 | D        | N          |          0 |               |   80002 |    160140
       27 | G          |    1217 | L        | N          |          0 |               |   80011 |    160369
       27 | G          |    1224 | W        | N          |          3 |               |   80022 |    160531
       28 | G          |    1218 | D        | N          |          0 |               |   80003 |    160392
       28 | G          |    1206 | D        | N          |          0 |               |   80023 |    160117
       29 | G          |    1223 | L        | N          |          0 |               |   80031 |    160508
       29 | G          |    1213 | W        | N          |          1 |               |   80025 |    160278
       30 | G          |    1212 | L        | N          |          0 |               |   80026 |    160256
       30 | G          |    1208 | W        | N          |          1 |               |   80028 |    160163
       31 | G          |    1205 | L        | N          |          0 |               |   80033 |    160093
       31 | G          |    1222 | W        | N          |          2 |               |   80027 |    160486
       32 | G          |    1204 | W        | N          |          2 |               |   80021 |    160071
       32 | G          |    1219 | L        | N          |          1 |               |   80024 |    160416
       33 | G          |    1210 | W        | N          |          2 |               |   80018 |    160208
       33 | G          |    1202 | L        | N          |          1 |               |   80012 |    160024
       34 | G          |    1209 | D        | N          |          3 |               |   80014 |    160187
       34 | G          |    1214 | D        | N          |          3 |               |   80006 |    160302
       35 | G          |    1211 | L        | N          |          0 |               |   80036 |    160233
       35 | G          |    1215 | W        | N          |          1 |               |   80029 |    160324
       36 | G          |    1220 | L        | N          |          0 |               |   80005 |    160439
       36 | G          |    1203 | W        | N          |          1 |               |   80013 |    160047
       37 | R          |    1221 | L        | P          |          1 |             4 |   80004 |    160463
       37 | R          |    1213 | W        | P          |          1 |             5 |   80007 |    160278
       38 | R          |    1224 | W        | N          |          1 |               |   80014 |    160531
       38 | R          |    1212 | L        | N          |          0 |               |   80006 |    160256
       39 | R          |    1204 | L        | N          |          0 |               |   80003 |    160071
       39 | R          |    1214 | W        | N          |          1 |               |   80023 |    160302
       40 | R          |    1207 | W        | N          |          2 |               |   80008 |    160140
       40 | R          |    1215 | L        | N          |          1 |               |   80019 |    160324
       41 | R          |    1208 | W        | N          |          3 |               |   80018 |    160163
       41 | R          |    1218 | L        | N          |          0 |               |   80012 |    160392
       42 | R          |    1209 | L        | N          |          0 |               |   80017 |    160187
       42 | R          |    1203 | W        | N          |          4 |               |   80010 |    160047
       43 | R          |    1211 | W        | N          |          2 |               |   80009 |    160231
       43 | R          |    1219 | L        | N          |          0 |               |   80015 |    160416
       44 | R          |    1206 | L        | N          |          1 |               |   80001 |    160117
       44 | R          |    1210 | W        | N          |          2 |               |   80002 |    160208
       45 | Q          |    1213 | L        | P          |          1 |             3 |   80005 |    160278
       45 | Q          |    1214 | W        | P          |          1 |             5 |   80013 |    160302
       46 | Q          |    1224 | W        | N          |          3 |               |   80001 |    160531
       46 | Q          |    1203 | L        | N          |          1 |               |   80002 |    160047
       47 | Q          |    1208 | W        | P          |          1 |             6 |   80016 |    160163
       47 | Q          |    1211 | L        | P          |          1 |             5 |   80020 |    160231
       48 | Q          |    1207 | W        | N          |          5 |               |   80021 |    160140
       48 | Q          |    1210 | L        | N          |          2 |               |   80024 |    160208
       49 | S          |    1214 | W        | N          |          2 |               |   80011 |    160302
       49 | S          |    1224 | L        | N          |          0 |               |   80022 |    160531
       50 | S          |    1207 | W        | N          |          2 |               |   80008 |    160140
       50 | S          |    1208 | L        | N          |          1 |               |   80019 |    160163
       51 | F          |    1214 | W        | N          |          1 |               |   80004 |    160302
       51 | F          |    1207 | L        | N          |          0 |               |   80007 |    160140
Sample table: soccer_country
 country_id | country_abbr |    country_name
------------+--------------+---------------------
       1201 | ALB          | Albania
       1202 | AUT          | Austria
       1203 | BEL          | Belgium
       1204 | CRO          | Croatia
       1205 | CZE          | Czech Republic
       1206 | ENG          | England
       1207 | FRA          | France
       1208 | GER          | Germany
       1209 | HUN          | Hungary
       1210 | ISL          | Iceland
       1211 | ITA          | Italy
       1212 | NIR          | Northern Ireland
       1213 | POL          | Poland
       1214 | POR          | Portugal
       1215 | IRL          | Republic of Ireland
       1216 | ROU          | Romania
       1217 | RUS          | Russia
       1218 | SVK          | Slovakia
       1219 | ESP          | Spain
       1220 | SWE          | Sweden
       1221 | SUI          | Switzerland
       1222 | TUR          | Turkey
       1223 | UKR          | Ukraine
       1224 | WAL          | Wales
       1225 | SLO          | Slovenia
       1226 | NED          | Netherlands
       1227 | SRB          | Serbia
       1228 | SCO          | Scotland
       1229 | NOR          | Norway

Sample Solution:

SQL Code:

-- This query selects specific columns from the match_mast, match_details, and soccer_country tables.
SELECT 
    a.match_no, -- Selecting the match number from the match_mast table aliased as 'a'
    c.country_name, -- Selecting the country name from the soccer_country table aliased as 'c'
    a.stop2_sec -- Selecting the stoppage time from the match_mast table aliased as 'a'
FROM 
    match_mast a -- Specifying the match_mast table with an alias 'a'
JOIN 
    match_details b ON a.match_no = b.match_no -- Joining the match_details table with the match_mast table based on the match number
JOIN 
    soccer_country c ON b.team_id = c.country_id -- Joining the soccer_country table with the match_details table based on the team_id
WHERE 
    (2 - 1) = ( -- Checking if the difference between 2 and 1 is equal to
        SELECT 
            COUNT(DISTINCT(b.stop2_sec)) -- Counting the distinct stoppage times from the match_mast table aliased as 'b'
        FROM 
            match_mast b -- Specifying the match_mast table for the subquery aliased as 'b'
        WHERE 
            b.stop2_sec > a.stop2_sec -- Filtering stoppage times greater than the stoppage time in the main query
    );

Sample Output:

 match_no | country_name | stop2_sec
----------+--------------+-----------
       15 | France       |       374
       15 | Albania      |       374
(2 rows)

Code Explanation:

The said query in SQL that retrieves data from the tables match_mast, match_details, and soccer_country. It selects the match number, country name, and stop2_sec columns from the respective tables.
The JOIN clause joins the table match_mast on match_no with match_details, and match_details on team_id with soccer_country.
Filters the data based on the condition that the difference between the number 2 and the number 1 is equal to the count of distinct stop2_sec values in match_mast table that are greater than the stop2_sec value in the current row of match_mast table.

Alternative Solutions:

Using a Self-Join:

-- This query selects specific columns from the match_mast, match_details, and soccer_country tables.
SELECT 
    a.match_no, -- Selecting the match number from the match_mast table aliased as 'a'
    c.country_name, -- Selecting the country name from the soccer_country table aliased as 'c'
    a.stop2_sec -- Selecting the stoppage time from the match_mast table aliased as 'a'
FROM 
    match_mast a -- Specifying the match_mast table with an alias 'a'
JOIN 
    match_details b ON a.match_no = b.match_no -- Joining the match_details table with the match_mast table based on the match number
JOIN 
    soccer_country c ON b.team_id = c.country_id -- Joining the soccer_country table with the match_details table based on the team_id
JOIN 
    match_mast d ON a.stop2_sec < d.stop2_sec -- Joining the match_mast table with itself to find matches with stoppage time greater than the current match
GROUP BY 
    a.match_no, c.country_name, a.stop2_sec -- Grouping the results by match number, country name, and stoppage time
HAVING 
-- Filtering the groups where there's exactly one distinct stoppage time greater than the current match's stoppage time
    COUNT(DISTINCT d.stop2_sec) = 1; 

Explanation:

This query uses a self-join on match_mast (alias d) with a condition that compares stop2_sec. It then groups the results by match_no, country_name, and stop2_sec. The HAVING clause ensures that only matches with a single unique stop2_sec value are selected.

Using a JOIN with Subquery:

-- This query selects specific columns from the match_mast, match_details, and soccer_country tables.
SELECT 
    a.match_no, -- Selecting the match number from the match_mast table aliased as 'a'
    c.country_name, -- Selecting the country name from the soccer_country table aliased as 'c'
    a.stop2_sec -- Selecting the stoppage time from the match_mast table aliased as 'a'
FROM 
    match_mast a -- Specifying the match_mast table with an alias 'a'
JOIN 
    match_details b ON a.match_no = b.match_no -- Joining the match_details table with the match_mast table based on the match number
JOIN 
    soccer_country c ON b.team_id = c.country_id -- Joining the soccer_country table with the match_details table based on the team_id
JOIN 
    (
        -- Subquery to select distinct stoppage times
        SELECT DISTINCT 
            stop2_sec -- Selecting distinct stoppage times
        FROM 
            match_mast
    ) d ON a.stop2_sec < d.stop2_sec -- Joining the distinct stoppage times with the match_mast table to find matches with stoppage time greater than the current match
GROUP BY 
    a.match_no, c.country_name, a.stop2_sec -- Grouping the results by match number, country name, and stoppage time
HAVING
-- Filtering the groups where there's exactly one record, indicating that the stoppage time is unique 
    COUNT(*) = 1; 

Explanation:

This query uses a subquery (d) to get a distinct list of stop2_sec values. It then joins this subquery with the main tables and applies the condition b.stop2_sec < d.stop2_sec. The result is grouped and only matches with a count of 1 are selected.

Practice Online


Sample Database: soccer

soccer database relationship structure

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