大约有 6,000 项符合查询结果(耗时:0.0331秒) [XML]

https://stackoverflow.com/ques... 

Relational Database Design Patterns? [closed]

...u want use in the future another DBMS? If yes then does not use to special SQL stuff of the current DBMS. Remove logic in your application. Does not use: white spaces in table names and column names Non Ascii characters in table and column names binding to a specific lower case or upper case. An...
https://stackoverflow.com/ques... 

Are PostgreSQL column names case-sensitive?

...olumn names) that are not double-quoted are folded to lower case in PostgreSQL. Column names that were created with double-quotes and thereby retained upper-case letters (and/or other syntax violations) have to be double-quoted for the rest of their life: ("first_Name") So, yes, PostgreSQL column n...
https://stackoverflow.com/ques... 

Delete a single record from Entity Framework?

I have a SQL Server table in Entity Framework named employ with a single key column named ID . 15 Answers ...
https://stackoverflow.com/ques... 

H2 in-memory database. Table not found

... Is it possible to set this DATABASE_TO_UPPER=false thing as an SQL statement in an init script? (Similarly as a statement like SET MODE PostgreSQL;) If so, what is the exact syntax? – Jonik Nov 4 '15 at 10:41 ...
https://stackoverflow.com/ques... 

DROP IF EXISTS VS DROP?

... Standard SQL syntax is DROP TABLE table_name; IF EXISTS is not standard; different platforms might support it with different syntax, or not support it at all. In PostgreSQL, the syntax is DROP TABLE IF EXISTS table_name; The fir...
https://stackoverflow.com/ques... 

How to get a list of column names on Sqlite3 database?

... Just to put this into code terms for SQLiteDatabase on Android, write db.rawQuery("PRAGMA table_info(" + tablename + ")", null); – Noumenon Jun 8 '13 at 14:14 ...
https://stackoverflow.com/ques... 

How to display the function, procedure, triggers source code in postgresql?

How to print functions and triggers sourcecode in postgresql? please let me know if any one know the query to display the function, triggers source code. ...
https://stackoverflow.com/ques... 

Database design for audit logging

... If you are using SQL Server 2008, you probably should consider Change Data Capture. This is new for 2008 and could save you a considerable amount of work. share ...
https://stackoverflow.com/ques... 

The type or namespace name 'Objects' does not exist in the namespace 'System.Data'

I am using entities, C# and SQL Server to create an n-tier app. I am creating some base classes common to all my DAL components. In this base class, i want to handle the connection state of the ObjectContext base class inherited by entities object. ...
https://stackoverflow.com/ques... 

How to check which locks are held on a table

...iendlier" sp_lock procedures available online, depending on the version of SQL Server in question. In your case, for SQL Server 2005, sp_lock is still available, but deprecated, so it's now recommended to use the sys.dm_tran_locks view for this kind of thing. You can find an example of how to "rol...