大约有 44,000 项符合查询结果(耗时:0.0224秒) [XML]

https://stackoverflow.com/ques... 

LAST_INSERT_ID() MySQL

... Thanks! I didn't get it working first as I was using asp.net with MySQL and needed to add Allow User Variables=True to the Connection String to allow variables. – Martin Oct 1 '10 at 10:19 ...
https://stackoverflow.com/ques... 

How to get next/previous record in MySQL?

Say I have records with IDs 3,4,7,9 and I want to be able to go from one to another by navigation via next/previous links. The problem is, that I don't know how to fetch record with nearest higher ID. ...
https://stackoverflow.com/ques... 

MySQL INNER JOIN select only one row from second table

I have a users table and a payments table, for each user, those of which have payments, may have multiple associated payments in the payments table. I would like to select all users who have payments, but only select their latest payment. I'm trying this SQL but i've never tried nested SQL sta...
https://stackoverflow.com/ques... 

JavaScript - onClick to get the ID of the clicked button

...l reference exception using JQuery's event.target.id (for me, both Firefox and IE were throwing it), this is a great solution that works in all three major browsers. – X3074861X Aug 8 '13 at 16:30 ...
https://stackoverflow.com/ques... 

SQL Server 2008: How to query all databases sizes?

I have MS SQL 2008 R2, 500 databases. What is the most efficient, easiest and 'modern' way to query all databases sizes. 14...
https://stackoverflow.com/ques... 

Can multiple different HTML elements have the same ID if they're different elements?

..., where the IDs under the parent would be unique. eg $('div#car span#size) and $('div#truck span#size'). – BJury Jul 2 '14 at 11:33 ...
https://stackoverflow.com/ques... 

How to efficiently build a tree from a flat structure?

I have a bunch of objects in a flat structure. These objects have an ID and a ParentID property so they can be arranged in trees. They are in no particular order. Each ParentID property does not necessarily matches with an ID in the structure. Therefore their could be several trees emerging ...
https://stackoverflow.com/ques... 

SQL join: selecting the last records in a one-to-many relationship

Suppose I have a table of customers and a table of purchases. Each purchase belongs to one customer. I want to get a list of all customers along with their last purchase in one SELECT statement. What is the best practice? Any advice on building indexes? ...
https://stackoverflow.com/ques... 

How to find largest objects in a SQL Server database?

...est objects in a SQL Server database? First, by determining which tables (and related indices) are the largest and then determining which rows in a particular table are largest (we're storing binary data in BLOBs)? ...
https://stackoverflow.com/ques... 

How can I get the ID of an element using jQuery?

Why doesn't the above work, and how should I do this? 19 Answers 19 ...