大约有 3,552 项符合查询结果（耗时：0.0168秒） [XML]
Why are Where and Select outperforming just Select?
...e ended up replacing <1%. And most of those were due to LINQ2EF's poor SQL optimization, rather than being LINQ's fault.
So, like always, write clear and sensible code first, and wait until after you've profiled to worry about micro-optimizations.
...
Maven2: Best practice for Enterprise Project (EAR file)
... `-- Resources.java
| | `-- resources
| | |-- import.sql
| | `-- META-INF
| | |-- beans.xml
| | `-- persistence.xml
| `-- test
| |-- java
| | `-- com
| | `-- foo
| | `-- ...
Sorting related items in a Django template
... looking for? Browse other questions tagged python django django-templates sql-order-by or ask your own question.
What is a servicebus and when do I need one?
...ith its use of queuing technology - your choice of RabbitMQ, MSMQ, Regular SQL Tables, Amazon SQS, Azure Storage Queues, and Azure Service Bus.
share
|
improve this answer
|
...
How to delete duplicates on a MySQL table?
I need to DELETE duplicated rows for specified sid on a MySQL table.
25 Answers
25...
How do I query using fields inside the new PostgreSQL JSON datatype?
...looking for some docs and/or examples for the new JSON functions in PostgreSQL 9.2.
3 Answers
...
What are important languages to learn to understand different approaches and concepts? [closed]
...
I'm amazed that after 6 months and hundreds of votes, noone has mentioned SQL ...
share
answered May 11 '11 at 19:21
...
How to rename items in values() in Django?
...'
)
This basically does SELECT cryptic_value_name AS renamed_value in the SQL.
Another option, if you always want the renamed version but the db has the cryptic name, is to name your field with the new name but use db_column to refer to the original name in the db.
...
Google Maps: how to get country, state/province/region, city given a lat/long value?
... Or you can use spatial datatype like geography if you are suing MS Sql 2008 and need to find location near a point
– GibboK
Jun 20 '12 at 4:35
1
...
Understanding MongoDB BSON Document size limit
...to store images, files, videos, etc in the database much as you might in a SQL database. I have used this to even store multi gigabyte video files.
share
|
improve this answer
|
...