大约有 46,000 项符合查询结果(耗时:0.0370秒) [XML]

https://stackoverflow.com/ques... 

Simple way to transpose columns and rows in SQL?

...3, 5), ('Blue', 2, 2, 9, 1); Union All, Aggregate and CASE Version: select name, sum(case when color = 'Red' then value else 0 end) Red, sum(case when color = 'Green' then value else 0 end) Green, sum(case when color = 'Blue' then value else 0 end) Blue from ( select color, Paul value...
https://stackoverflow.com/ques... 

How do I limit the number of rows returned by an Oracle query after ordering?

...Oracle in this answer). To answer the original question, here's the query: SELECT * FROM sometable ORDER BY name OFFSET 20 ROWS FETCH NEXT 10 ROWS ONLY; (For earlier Oracle versions, please refer to other answers in this question) Examples: Following examples were quoted from linked page, in th...
https://stackoverflow.com/ques... 

SQL WHERE.. IN clause multiple columns

...a derived table from the subquery, and join table1 to this derived table: select * from table1 LEFT JOIN ( Select CM_PLAN_ID, Individual_ID From CRM_VCM_CURRENT_LEAD_STATUS Where Lead_Key = :_Lead_Key ) table2 ON table1.CM_PLAN_ID=table2.CM_PLAN_ID AND table1.Individual=table2.Indi...
https://stackoverflow.com/ques... 

What's the difference between RANK() and DENSE_RANK() functions in oracle?

...s a simple test script you can play with to see what happens: with q as ( select 10 deptno, 'rrr' empname, 10000.00 sal from dual union all select 11, 'nnn', 20000.00 from dual union all select 11, 'mmm', 5000.00 from dual union all select 12, 'kkk', 30000 from dual union all select 10, 'fff', 4000...
https://stackoverflow.com/ques... 

How can I SELECT rows with MAX(Column value), DISTINCT by another column in SQL?

... You are so close! All you need to do is select BOTH the home and its max date time, then join back to the topten table on BOTH fields: SELECT tt.* FROM topten tt INNER JOIN (SELECT home, MAX(datetime) AS MaxDateTime FROM topten GROUP BY home) groupedtt...
https://stackoverflow.com/ques... 

How to remove the arrow from a select element in Firefox

I'm trying to style a select element using CSS3. I'm getting the results I desire in WebKit (Chrome / Safari), but Firefox isn't playing nicely (I'm not even bothering with IE). I'm using the CSS3 appearance property, but for some reason I can't shake the drop-down icon out of Firefox. ...
https://stackoverflow.com/ques... 

How do I find a “gap” in running counter with SQL?

... In MySQL and PostgreSQL: SELECT id + 1 FROM mytable mo WHERE NOT EXISTS ( SELECT NULL FROM mytable mi WHERE mi.id = mo.id + 1 ) ORDER BY id LIMIT 1 In SQL Server: SELECT TOP 1 i...
https://stackoverflow.com/ques... 

How to get next/previous record in MySQL?

... next: select * from foo where id = (select min(id) from foo where id > 4) previous: select * from foo where id = (select max(id) from foo where id < 4) ...
https://stackoverflow.com/ques... 

Turning a Comma Separated string into individual rows

... SomeID INT, OtherID INT, String VARCHAR(MAX) ) INSERT Testdata SELECT 1, 9, '18,20,22' INSERT Testdata SELECT 2, 8, '17,19' INSERT Testdata SELECT 3, 7, '13,19,20' INSERT Testdata SELECT 4, 6, '' INSERT Testdata SELECT 9, 11, '1,2,3,4' The query ;WITH tmp(SomeID, OtherID, DataIt...
https://stackoverflow.com/ques... 

SQL/mysql - Select distinct/UNIQUE but return all columns?

... You're looking for a group by: select * from table group by field1 Which can occasionally be written with a distinct on statement: select distinct on field1 * from table On most platforms, however, neither of the above will work because the behavior o...