大约有 44,000 项符合查询结果(耗时:0.0230秒) [XML]

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How to select bottom most rows?

I can do SELECT TOP (200) ... but why not BOTTOM (200)? 14 Answers 14 ...
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How to select distinct rows in a datatable and store into an array

...n named ProcessName. This ProcessName contains repeated names.So i want to select only distinct names.Is this possible. 18 ...
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How to implement “select all” check box in HTML?

... Using jQuery: // Listen for click on toggle checkbox $('#select-all').click(function(event) { if(this.checked) { // Iterate each checkbox $(':checkbox').each(function() { this.checked = true; }); } else { ...
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Case insensitive searching in Oracle

...NLS_COMP and NLS_SORT session parameters: SQL> SET HEADING OFF SQL> SELECT * 2 FROM NLS_SESSION_PARAMETERS 3 WHERE PARAMETER IN ('NLS_COMP', 'NLS_SORT'); NLS_SORT BINARY NLS_COMP BINARY SQL> SQL> SELECT CASE WHEN 'abc'='ABC' THEN 1 ELSE 0 END AS GOT_MATCH 2 FROM DUAL; ...
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Adding additional data to select options using jQuery

... HTML Markup <select id="select"> <option value="1" data-foo="dogs">this</option> <option value="2" data-foo="cats">that</option> <option value="3" data-foo="gerbils">other</option> </select&...
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Select rows which are not present in other table

...task, all of them standard SQL. NOT EXISTS Often fastest in Postgres. SELECT ip FROM login_log l WHERE NOT EXISTS ( SELECT -- SELECT list mostly irrelevant; can just be empty in Postgres FROM ip_location WHERE ip = l.ip ); Also consider: What is easier to read in EXISTS...
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MySQL order by before group by

... table on both the post_author and the max date. The solution should be: SELECT p1.* FROM wp_posts p1 INNER JOIN ( SELECT max(post_date) MaxPostDate, post_author FROM wp_posts WHERE post_status='publish' AND post_type='post' GROUP BY post_author ) p2 ON p1.post_author = p...
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How to copy data from one table to another new table in MySQL?

...hat you want: INSERT INTO table2 (st_id,uid,changed,status,assign_status) SELECT st_id,from_uid,now(),'Pending','Assigned' FROM table1 If you want to include all rows from table1. Otherwise you can add a WHERE statement to the end if you want to add only a subset of table1. I hope this helps. ...
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Select mySQL based only on month and year

... SELECT * FROM projects WHERE YEAR(Date) = 2011 AND MONTH(Date) = 5 share | improve this answer | f...
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How can I select rows with most recent timestamp for each key value?

...r data. Each row has a sensor id, a timestamp, and other fields. I want to select a single row with latest timestamp for each sensor, including some of the other fields. ...