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SQL selecting rows by most recent date
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So this isn't what the requester was asking for but it is the answer to "SQL selecting rows by most recent date".
Modified from http://wiki.lessthandot.com/index.php/Returning_The_Maximum_Value_For_A_Row
SELECT t.chargeId, t.chargeType, t.serviceMonth FROM(
SELECT chargeId,MAX(serviceMonth)...
Current executing procedure name
Is it possible to get the name of the current Stored Procedure in MS SQL Server?
5 Answers
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unresolved reference to object [INFORMATION_SCHEMA].[TABLES]
...g started working. You may also wish to open the Visual Studio Options... SQL Server Tools... Online Editing... enable "Resolve references to system views and master database objects".
– NYCdotNet
Jul 24 '17 at 15:34
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Want to find records with no associated records in Rails
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This is still pretty close to SQL, but it should get everyone with no friends in the first case:
Person.where('id NOT IN (SELECT DISTINCT(person_id) FROM friends)')
share
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How can I generate an INSERT script for an existing SQL Server table that includes all stored rows?
...m looking for a way to generate a "Create and insert all rows" script with SQL Management Studio 2008 R2.
4 Answers
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T-SQL get SELECTed value of stored procedure
In T-SQL, this is allowed:
4 Answers
4
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Connect Java to a MySQL database
How do you connect to a MySQL database in Java?
14 Answers
14
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How to order by with union in SQL?
...er the results of the select statement referencing that subselect. Per the SQL Standard, the order of results is undefined barring an explicit order by clause. That first select in your example probably returns its results in the order returned by the subselect, but it is not guaranteed. Further, th...
A migration to add unique constraint to a combination of columns
...aintToShipments < ActiveRecord::Migration
def up
execute <<-SQL
alter table shipments
add constraint shipment_tracking_number unique (tracking_number, carrier);
SQL
end
def down
execute <<-SQL
alter table shipments
drop constraint if exis...
Nginx url重写rewrite实例详解 - 更多技术 - 清泛网移动版 - 专注C/C++及内核技术
...inx_url_rewrite在nginx中实现url重写，学习rewrite的具体用法，包括301重定向的内容等，希望对大家有所帮助。nginx rewrite 实现二级域名跳转
当访问http://www.jbyuan.com跳转到http://www.jbyuan.com/nvxingjiankang/
方法一：
这种方法浏览器地址会...