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求助帖:查询排序慢

Mercy 2023/07/12 1410 10

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【DM版本】:8.1
【操作系统】:麒麟v10
【CPU】:ARM
【问题描述】:执行sql排序时慢,时常50多秒,执行计划贴在下边
图片.png
SELECT
*
FROM
(
SELECT
TMP.
,
ROWNUM ROW_ID
FROM
(
SELECT
phone ,
personal_id id ,
area_code ,
year ,
name ,
age ,
gender ,
id_card ,
card_status ,
data_status ,
examine_method ,
get_type ,
write_time ,
job_help ,
job_requirement ,
healing_get ,
healing_need ,
foster_service_require ,
accessiable_remould_req,
personal_status personalStatus
FROM
DT_DTGXKB_RES_ID
WHERE
(
id_card ='45010319410416052414'
AND year ='2022'
AND area_code LIKE '1301%'
)
ORDER BY
id DESC
)
TMP
WHERE
ROWNUM <=10
)
WHERE
ROW_ID > 0;
表结构在文档里,数据量700万
表结构.txt

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