WebApr 1, 2024 · 原创 mybatis select 语句被莫名 拼接了order by create_time desc limit ? 工具虽好用,但一定要按规范使用! 2024-04-04 11:35:54 184. centos及redhat linux升级openssh7.9-8.0-8.1升级.zip. 主要用于升级redhat及centos 6/7版本的openssh离线自动升级。 已测试redhat6.5和7.3,及centos6/7。 ... WebSep 7, 2016 · 1 Answer. Sorted by: 1. The problem was a missing comma after the first DESC, the correct statement is. SELECT Position INTO lastPosition FROM ranking ORDER BY ranking.Time DESC, ranking.Position DESC LIMIT 1; as noticed by @Solarflare.
ORDER BY Clause - Microsoft Support
WebThe ORDER BY clause appears before the LIMIT clause in the SELECT statement. SQLite sorts the result set before getting the number of rows specified in the LIMIT clause. SELECT column_list FROM table ORDER BY column_1 LIMIT row_count; Code language: SQL (Structured Query Language) (sql) WebFor Postgres 9.1 or later: CREATE INDEX idx_time_limits_ts_inverse ON time_limits (id_phi, start_date_time, end_date_time DESC); In most cases the sort order of an index is hardly relevant. Postgres can scan backwards practically as fast. But for range queries on multiple columns it can make a huge difference. Closely related: rbc sheet music
How to Select Top 100 rows in Oracle? - lacaina.pakasak.com
WebFeb 7, 2024 · Solution 2 INSERT INTO link_ (duid, domain_id) SELECT IFNULL (duid, 0) + 1 AS duid, 5 FROM link_ WHERE domain_id = 5 ORDER BY duid DESC LIMIT 1; mysql performance myisam query-performance Share Improve this question Follow edited Jan 7, 2024 at 22:23 Community Bot 1 asked Feb 7, 2024 at 2:09 nenad007 153 1 8 Add a comment 3 Answers … Web整理数据得时候出现重复数据DELETE FROM t_goods WHERE tid NOT IN ( SELECT t.max_id FROM ( -- 过滤出重复多余的数据 SELECT MAX(tid) AS max_id FROM t_goods where md5_sign is not null GROUP BY title … WebJul 14, 2015 · Here are my two queries: select sts_in from sta_session where sts_user_id=2006 AND sts_sessid!='0jitkt80gg3avere03tqk4lhi6' order by sts_in desc limit … rbc shawville calgary