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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 ?
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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...
PostgreSQL: Show tables in PostgreSQL
What's the equivalent to show tables (from MySQL) in PostgreSQL?
24 Answers
24
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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...
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
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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
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do you know how I would do the same with LINQ to SQL?
– The Muffin Man
May 19 '11 at 5:56
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云数据及Firebase组件简介 · App Inventor 2 中文网
...性可能会根据用户评论而更改。 特别是，此实验版本不包括将其与您自己的 Firebase 帐户一起使用的功能，而只能与 MIT 的默认帐户一起使用。 麻省理工学院计划在我们获得更多使用该组件的经验后，为人们提供一种获取自己的 ...
云数据及Firebase组件简介 · App Inventor 2 中文网
...性可能会根据用户评论而更改。 特别是，此实验版本不包括将其与您自己的 Firebase 帐户一起使用的功能，而只能与 MIT 的默认帐户一起使用。 麻省理工学院计划在我们获得更多使用该组件的经验后，为人们提供一种获取自己的 ...