大约有 47,000 项符合查询结果(耗时:0.0197秒) [XML]

https://stackoverflow.com/ques... 

How do I query between two dates using MySQL?

...ember 29 2010 and January 30 2010). Try reversing the order of the dates: SELECT * FROM `objects` WHERE (date_field BETWEEN '2010-01-30 14:15:55' AND '2010-09-29 10:15:55') share | improve this an...
https://stackoverflow.com/ques... 

How can I get a list of all functions stored in the database of a particular schema in PostgreSQL?

... SELECT n.nspname as "Schema", p.proname as "Name", pg_catalog.pg_get_function_result(p.oid) as "Result data type", pg_catalog.pg_get_function_arguments(p.oid) as "Argument data types", CASE WHEN p.proisagg THEN 'agg'...
https://stackoverflow.com/ques... 

SQL Call Stored Procedure for each Row without using a cursor

...rate over all customers WHILE (1 = 1) BEGIN -- Get next customerId SELECT TOP 1 @CustomerID = CustomerID FROM Sales.Customer WHERE CustomerID > @CustomerId ORDER BY CustomerID -- Exit loop if no more customers IF @@ROWCOUNT = 0 BREAK; -- call your sproc EXEC dbo.YOURSPROC...
https://stackoverflow.com/ques... 

How do you create a read-only user in PostgreSQL?

I'd like to create a user in PostgreSQL that can only do SELECTs from a particular database. In MySQL the command would be: ...
https://stackoverflow.com/ques... 

How to remove leading and trailing whitespace in a MySQL field?

...d the use case before using this solution: trim does not work while doing select query This works select replace(name , ' ','') from test; While this doesn't select trim(name) from test; share | ...
https://stackoverflow.com/ques... 

How can I combine multiple rows into a comma-delimited list in Oracle? [duplicate]

...countries values ('Andorra'); insert into countries values ('Antigua'); SELECT SUBSTR (SYS_CONNECT_BY_PATH (country_name , ','), 2) csv FROM (SELECT country_name , ROW_NUMBER () OVER (ORDER BY country_name ) rn, COUNT (*) OVER () cnt FROM countries) WHE...
https://stackoverflow.com/ques... 

Grouped LIMIT in PostgreSQL: show the first N rows for each group?

... New solution (PostgreSQL 8.4) SELECT * FROM ( SELECT ROW_NUMBER() OVER (PARTITION BY section_id ORDER BY name) AS r, t.* FROM xxx t) x WHERE x.r <= 2; sha...
https://stackoverflow.com/ques... 

Selecting all text in HTML text input when clicked

... You can use this javascript snippet: <input onClick="this.select();" value="Sample Text" /> But apparently it doesn't work on mobile Safari. In those cases you can use: <input onClick="this.setSelectionRange(0, this.value.length)" value="Sample Text" /> ...
https://stackoverflow.com/ques... 

How to use GROUP_CONCAT in a CONCAT in MySQL

... select id, group_concat(`Name` separator ',') as `ColumnName` from ( select id, concat(`Name`, ':', group_concat(`Value` separator ',')) as `Name` from mytbl group by id, `Name` ) tbl group by id; ...
https://stackoverflow.com/ques... 

SQL variable to hold list of integers

...e @listOfIDs table (id int); insert @listOfIDs(id) values(1),(2),(3); select * from TabA where TabA.ID in (select id from @listOfIDs) or declare @listOfIDs varchar(1000); SET @listOfIDs = ',1,2,3,'; --in this solution need put coma on begin and end select * from TabA where charindex(',' + C...