大约有 6,000 项符合查询结果（耗时：0.0733秒） [XML]
Set a DateTime database field to “Now”
In VB.net code, I create requests with SQL parameters. It I set a DateTime parameter to the value DateTime.Now, what will my request look like ?
...
T-SQL: Selecting rows to delete via joins
...
In PostgreSQL syntax with join doesn't work but it is possible to use "using" keyword. DELETE from TableA a using TableB b where b.Bid = a.Bid and [my filter condition]
– bartolo-otrit
Jun 13 '12...
PostgreSQL: Show tables in PostgreSQL
What's the equivalent to show tables (from MySQL) in PostgreSQL?
24 Answers
24
...
怎么往SetTimer的回调函数传递参数 - C/C++ - 清泛网 - 专注C/C++及内核技术
...hMessage的循环，由于还是原来的线程，所以它GetMessage将还包括WM_TIMER，另外还有消息框自己的一些关于界面的消息，比如WM_PAINT，消息框 的出现只是在系统中又注册了一些需要的消息，就是消息框的关于界面事件的消息。WM_TIMER...
How to delete large data of table in SQL without log?
...rform a checkpoint. This is how I would do it and take this article http://sqlperformance.com/2013/03/io-subsystem/chunk-deletes as reference, with performance tests and graphs:
DECLARE @Deleted_Rows INT;
SET @Deleted_Rows = 1;
WHILE (@Deleted_Rows > 0)
BEGIN
BEGIN TRANSACTION
-- Del...
Learning about LINQ [closed]
...ject reference comparison
Apply aggregates to empty collections in LINQ to SQL queries
Delay loading a property in LINQ to SQL
Use table-valued functions with eager loading turned on
Put joins in the correct order in a LINQ to Objects query
Compose a LINQ query inside a loop
http://www.aspnetpro.c...
List of tables, db schema, dump etc using the Python sqlite3 API
For some reason I can't find a way to get the equivalents of sqlite's interactive shell commands:
11 Answers
...
ORA-12505, TNS:listener does not currently know of SID given in connect descriptor
... with JDBC, you need to be sure that you can connect to the database using SQL*Plus. If you're not familiar with SQL*Plus, it's a command-line tool for connecting to Oracle databases that has been a standard part of Oracle for a long time and it is included with Oracle XE.
When connecting to an Or...
How can I group by date time column without taking time into consideration
...
do you know how I would do the same with LINQ to SQL?
– The Muffin Man
May 19 '11 at 5:56
1
...