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For each row return the column name of the largest value
...partment name, rather than the number of roster counts, from the frequency table. A simple example below (column names = departments, row names = employee ids).
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How does one generate a random number in Apple's Swift language?
...near, additive feedback, random number generator, employing a default table of size 31 long integers. It returns successive pseudo-random numbers in the range from 0 to (231)-1. The period of this random number generator is very large, approximately 16*((231)-1)." ... Thanks a lot a...
What are the best practices for using a GUID as a primary key, specifically regarding performance?
I have an application that uses GUID as the Primary Key in almost all tables and I have read that there are issues about performance when using GUID as Primary Key. Honestly, I haven't seen any problem, but I'm about to start a new application and I still want to use the GUIDs as the Primary Keys, b...
MFC的多国语言界面的实现 - C/C++ - 清泛网 - 专注C/C++及内核技术
...语言版本中按钮的点击次数的统计。
(1) 在String Table中分别添加中英文的IDS_STRING_SAMPLE资源,内容如下表所示。
中文
这个一个中文提示信息。\n点击次数:%d。
英文
This is a prompt message in English.\nClick Times:%d...
Convert base64 string to ArrayBuffer
... are working with ASCII representation of the data (which is also an 8-bit table)..
– Goran.it
Jun 17 '16 at 12:57
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SQL statement to get column type
Is there a SQL statement that can return the type of a column in a table?
22 Answers
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REST URI convention - Singular or plural name of resource while creating it
...from our database schema. And database standards tend to advocate singular table names, so we're going with that, but still under the same logic as this answer.
– André C. Andersen
Nov 24 '17 at 12:01
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Is there any performance gain in indexing a boolean field?
...is is not entirely correct, without an index mySql needs to scan the whole table to find the relevant rows.
– ilanco
May 9 '12 at 22:04
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LEFT JOIN vs. LEFT OUTER JOIN in SQL Server
... at the answer I left on this other SO question: SQL left join vs multiple tables on FROM line?.
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Show constraints on tables command
I have tables that I've tried setting PK FK relationships on but I want to verify this. How can I show the PK/FK restraints? I saw this manual page, but it does not show examples and my google search was fruitless also. My database is credentialing1 and my constrained tables are practices and ...
