大约有 6,000 项符合查询结果（耗时：0.0306秒） [XML]
Accessing an SQLite Database in Swift
I'm looking for a way to access an SQLite database in my app with Swift code.
12 Answers
...
Cannot use identity column key generation with ( TABLE_PER_CLASS )
...ass" inheritance and GenerationType.Auto.
Consider an identity column in MsSQL. It is column based. In a "table-per-class" strategy you use one table per class and each one has an ID.
Try:
@GeneratedValue(strategy = GenerationType.TABLE)
...
ORA-01882: timezone region not found
...
In a plain a SQL-Developer installation under Windows go to directory
C:\Program Files\sqldeveloper\sqldeveloper\bin
and add
AddVMOption -Duser.timezone=CET
to file sqldeveloper.conf.
...
Remove Identity from a column in a table
...ok into this link for more details about removing the attribute only: blog.sqlauthority.com/2009/05/03/… ..Good luck!
– Nonym
Nov 22 '11 at 17:01
1
...
MySQL - Rows to Columns
I tried to search posts, but I only found solutions for SQL Server/Access. I need a solution in MySQL (5.X).
12 Answers
...
How to convert TimeStamp to Date in Java?
...is unfortunate. You should instead be using a column of a type such as the SQL-standard TIMESTAMP WITH TIME ZONE. But, for this Answer, we will work with what we have.
If your records represent moments with a resolution of milliseconds, and you want all the records for an entire day, then we need a...
SQL - many-to-many table primary key
...pe and dictates your DB design for you...
Edit: I answered the same here: SQL: Do you need an auto-incremental primary key for Many-Many tables?
share
|
improve this answer
|
...
Hibernate vs JPA vs JDO - pros and cons of each? [closed]
...ostic and so is not limited to the RDBMS world. With the ground swell of NoSQL at the moment a person would be wise to consider using a persistence standard that avoids locking their apps to the traditional *SQL world. JDO applications can easily be deployed non RDBMS datastores. Full list of suppo...
数据存储组件 · App Inventor 2 中文网
...微数据库
网络微数据库 组件通过与Web服务通信以存储及查询数据，虽然这个组件是有用的，但是非常有限，主要是作为对那些想要创建自己的组件与 Web 对话的Demo应用。
随附的 Web 服务位于 http://tinywebdb.appinventor.mit.edu。该组...
How can I make SQL case sensitive string comparison on MySQL?
...
http://dev.mysql.com/doc/refman/5.0/en/case-sensitivity.html
The default character set and collation are latin1 and latin1_swedish_ci, so nonbinary string comparisons are case insensitive by default. This means that if you search with...