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Re: ugly sql contest entry / Re: ORACLE-L Digest -- Volume 2001, Number 333

From: <Jared.Still_at_radisys.com>
Date: Fri, 07 Dec 2001 18:05:51 -0800
Message-ID: <F001.003D8112.20011207172023@fatcity.com>

Is that the best you can do? ;)

I recall something from the list many years ago where a poster was asking for help with a SQL statement that was unbelievably long.

If I recollect correctly, it was about a 64K single SQL statement.

It doesn't seem like maintaining something like that would actually be possible.

Think of what the explain plan output would look like.

Jared

                                                                                       
                             
                    "Eric D.                                                           
                             
                    Pierce"              To:     Multiple recipients of list ORACLE-L 
<ORACLE-L_at_fatcity.com>        
                    <PierceED_at_csus       cc:                                           
                             
                    .edu>                Subject:     ugly sql contest entry / Re: 
ORACLE-L Digest -- Volume 2001,  
                    Sent by:              Number 333                                   
                             
                    root_at_fatcity.c                                                     
                             
                    om                                                                 
                             
                                                                                       
                             
                                                                                       
                             
                    12/07/01 04:20                                                     
                             
                    PM                                                                 
                             
                    Please respond                                                     
                             
                    to ORACLE-L                                                        
                             
                                                                                       
                             
                                                                                       
                             




  1  UPDATE
  2         TRIO_STUDENT_MASTERF00S01part5   T
  3     SET
  4       (
  5         T.T08_STUDENT_RACE_ETHNICITY
  6       )
  7     = (

  8 SELECT
  9 decode(
 10         decode( X.STU_ETH_CODE,
 11                 'D', '0', /* Declined to State                */
 12                 '8', '0', /* Other (Not Listed)            (10/8/1999
??)   */
 13                 '9', '0', /* No Response                      */
 14                 '1', '1', /* American Indian/ Native American */
 15                 '2', '3', /* Black/ African American          */
 16                 '3', '4', /* Chicano/ Mexican American        */
 17                 '4', '4', /* Other Hispanic (Not Listed)      */
 18                 'A', '4', /* Central American                 */
 19                 'B', '4', /* South American                   */
 20                 'P', '4', /* Puerto Rican                     */
 21                 'Q', '4', /* Cuban                            */
 22                 '5', '2', /* Other Asian                      */
 23                 'C', '2', /* Chinese                          */
 24                 'J', '2', /* Japanese                         */
 25                 'K', '2', /* Korean                           */
 26                 'L', '2', /* Laotian                          */
 27                 'M', '2', /* Cambodian                        */
 28                 'R', '2', /* Asian Indian                     */
 29                 'S', '2', /* Other Southeast Asian            */
 30                 'T', '2', /* Thai                             */
 31                 'V', '2', /* Vietnamese                       */
 32                 '6', '6', /* Other Pacific Islander         (new
10/8/1999)  */
 33                 'F', '6', /* Filipino                       ""  */
 34                 'G', '6', /* Guamanian                      ""  */
 35                 'H', '6', /* Hawaiian                       ""  */
 36                 'N', '6', /* Samoan                         ""  */
 37                 '7', '5', /* White/ Caucasian                 */
 38                      decode( Z.STU_ETH_CODE,
 39                              'D', '0', /* Declined to State

*/
40 '8', '0', /* Other (Not Listed) (10/8/1999 ??) */ 41 '9', '0', /* No Response
*/
42 '1', '1', /* American Indian/ Native American */ 43 '2', '3', /* Black/ African American
*/
44 '3', '4', /* Chicano/ Mexican American
*/
45 '4', '4', /* Other Hispanic (Not Listed)
*/
46 'A', '4', /* Central American
*/
47 'B', '4', /* South American
*/
48 'P', '4', /* Puerto Rican
*/
49 'Q', '4', /* Cuban
*/
50 '5', '2', /* Other Asian
*/
51 'C', '2', /* Chinese
*/
52 'J', '2', /* Japanese
*/
53 'K', '2', /* Korean
*/
54 'L', '2', /* Laotian
*/
55 'M', '2', /* Cambodian
*/
56 'R', '2', /* Asian Indian
*/
57 'S', '2', /* Other Southeast Asian
*/
58 'T', '2', /* Thai
*/
59 'V', '2', /* Vietnamese
*/
60 '6', '6', /* Other Pacific Islander (new 10/8/1999) */ 61 'F', '6', /* Filipino "" */ 62 'G', '6', /* Guamanian "" */ 63 'H', '6', /* Hawaiian "" */ 64 'N', '6', /* Samoan "" */ 65 '7', '5', /* White/ Caucasian
*/
66 '*** no/bad data ***' 67 ) 68 ), 69 '1', '1', 70 '2', '2', 71 '3', '3', 72 '4', '4', 73 '5', '5', 74 '6', '6',

 75 '7', '7',
 76 '0',
 77       decode( t.student_ssn,
 78               '[several deleted]', '5',

...

101                            'x'
102             ),
103       '*'

104 )
105 FROM
106         TRIO_STUDENT_MASTERF00S01part5   T2,
107         SIS_CSUS_ALL_spring2001_eos1     X,
108         SIS_CSUS_ALL_fall_2000_eos1      Z
109   WHERE
110         T.STUDENT_SSN                    = T2.STUDENT_SSN
111     AND
112         T2.STUDENT_SSN                    = X.STU_ID (+)
113     AND
114         T2.STUDENT_SSN                    = Z.STU_ID (+)
115 )
116 WHERE
117         T.T08_STUDENT_RACE_ETHNICITY     = '-'
118     AND
119         T.STUDENT_SSN                    IN
120       (
121         SELECT
122                T3.STUDENT_SSN
123           FROM
124                TRIO_STUDENT_MASTERF00S01part5   T3
125          WHERE
126                T3.T08_STUDENT_RACE_ETHNICITY     = '-'
127*      )

79 rows updated.

Commit complete.

 COUNT(*) T
--------- -

        4 0
        6 1
        9 2
       28 3
       29 4
      124 5
        3 6
        1 7
---------
      204

8 rows selected.

  1 select

  2         count(*),
  3         T.T08_STUDENT_RACE_ETHNICITY
  4    from
  5         TRIO_STUDENT_MASTERF00S01part5   T
  6   group by
  7*        T.T08_STUDENT_RACE_ETHNICITY


------------------------------------------------------------------------

On 7 Dec 2001, at 15:27, Jared.Still_at_radisys.com wrote:

>
> I think ugly SQL is appropriate.
>
> We certainly see enough of it here anyway.  :)

...

>> do we need to have a "ugliest SQL statement" contest?
>>
>> OT list?
>>
>> I have an entry ready


--
Please see the official ORACLE-L FAQ: http://www.orafaq.com
--
Author: Eric D. Pierce
  INET: PierceED_at_csus.edu

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-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.com
-- 
Author: 
  INET: Jared.Still_at_radisys.com

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--------------------------------------------------------------------
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Received on Fri Dec 07 2001 - 20:05:51 CST

Original text of this message

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