大约有 47,000 项符合查询结果(耗时:0.0411秒) [XML]

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Is there a combination of “LIKE” and “IN” in SQL?

... An example table: SQL> create table mytable (something) 2 as 3 select 'blabla' from dual union all 4 select 'notbla' from dual union all 5 select 'ofooof' from dual union all 6 select 'ofofof' from dual union all 7 select 'batzzz' from dual 8 / Table created. The origin...
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how to exclude null values in array_agg like in string_agg using postgres?

... SQL Fiddle select id, (select array_agg(a) from unnest(canonical_users) a where a is not null) canonical_users, (select array_agg(a) from unnest(non_canonical_users) a where a is not null) non_canonical_users from ( SELE...
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PostgreSQL DISTINCT ON with different ORDER BY

...llowing approaches: The general solution that should work in most DBMSs: SELECT t1.* FROM purchases t1 JOIN ( SELECT address_id, max(purchased_at) max_purchased_at FROM purchases WHERE product_id = 1 GROUP BY address_id ) t2 ON t1.address_id = t2.address_id AND t1.purchased_at = t2...
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jquery select change event get selected option

I bound an event on the change event of my select elements with this: 9 Answers 9 ...
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jQuery get value of selected radio button

The problem statement is simple. I need to see if user has selected a radio button from a radio group. Every radio button in the group share same id. ...
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Rails select helper - Default selected value, how?

... This should do it: <%= f.select :project_id, @project_select, :selected => params[:pid] %> share | improve this answer | ...
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SQL Server SELECT LAST N Rows

...d database... Now let us retrieve the Last 5 orders placed by Employee 5: SELECT ORDERID, CUSTOMERID, OrderDate FROM ( SELECT ROW_NUMBER() OVER (PARTITION BY EmployeeID ORDER BY OrderDate DESC) AS OrderedDate,* FROM Orders ) as ordlist WHERE ordlist.EmployeeID = 5 AND ordlist.OrderedDate &...
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Removing rounded corners from a element in Chrome/Webkit

...sheet for Chrome gives a border-radius of 5px to all the corners of a <select> element. I've tried getting rid of this by applying a radius of 0px through my external stylesheet, as well inline on the element itself; I've tried both border-radius:0px and -webkit-border-radius:0px; and I...
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Oracle SQL: Update a table with data from another table

...his is called a correlated update UPDATE table1 t1 SET (name, desc) = (SELECT t2.name, t2.desc FROM table2 t2 WHERE t1.id = t2.id) WHERE EXISTS ( SELECT 1 FROM table2 t2 WHERE t1.id = t2.id ) Assuming the join results in a key-pr...
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SQLiteDatabase.query method

... tableColumns null for all columns as in SELECT * FROM ... new String[] { "column1", "column2", ... } for specific columns as in SELECT column1, column2 FROM ... - you can also put complex expressions here: new String[] { "(SELECT max(column1) FROM table1) AS max" }...