
What's the difference between identifying and non-identifying ...
Apr 18, 2009 · UML style CADs for data modeling do not use ER symbols or concepts, and the kind of relations are: identifying, non-identifying and non-specific. Identifying ones are relations …
How can I find the product GUID of an installed MSI setup?
Apr 29, 2015 · I need to find the product GUID for an installed MSI file in order to perform maintenance such as patching, uninstall (how-to uninstall) and also for auditing purposes.
Use powershell to get device names and their ipaddress on a …
Jan 21, 2017 · I converted my batch tool for this into a Powershell script. It is a wrapper for the cmd line tools ping.exe, arp.exe and nslookup.exe.
Excel formula to get cell color [duplicate] - Stack Overflow
Keep in mind that the color palette in Office 2007 and later is a "themed" palette. Any work that goes into identifying color, any logic that is based on the current cell color, will need to take …
sql - Delete duplicate rows keeping the first row - Stack Overflow
Jul 3, 2017 · How can I delete duplicate rows where no unique row id exists?. My table is. col1 col2 col3 col4 col5 col6 col7 john 1 1 1 1 1 1 john 1 1 1 1 1 1 sally 2 2 2 2 2 2 sally 2 2 2 2 2 2
Type of triangle in MySQL - Stack Overflow
Jul 25, 2016 · Write a query identifying the type of each record in the TRIANGLES table using its three side lengths. Output one of the following statements for each record in the table: Not A …
List all devices, partitions and volumes in Powershell
Nov 2, 2009 · I have multiple volumes (as nearly everybody nowadays): on Windows they end up specified as C:, D: and so on. How do I list these all like on a Unix machine with "ls /mnt/" with …
Finding duplicate values in a SQL table - Stack Overflow
It's easy to find duplicates with one field: SELECT email, COUNT(email) FROM users GROUP BY email HAVING COUNT(email) > 1 So if we have a table ID NAME EMAIL 1 John …
What exactly is GUID? Why and where I should use it?
Feb 26, 2017 · One widespread use of GUIDs is as identifiers for COM entities on Windows (classes, typelibs, interfaces, etc.). Using GUIDs, developers could build their COM …
windows - How to make sure that a certain Port is not occupied by …
Aug 19, 2012 · netstat -ano|find ":port_no" will give you the list. a: Displays all connections and listening ports. n: Displays addresses and port numbers in numerical form.