12 If you're on a Unix-like platform (Mac OS X, Linux, etc), you could try running file myfile.db to see if that can figure out what type of file it is. The file utility will inspect the beginning of the …

2011年5月1日 · 24 A .sqlite file is as the name implies a file that contains an SQLite database. The .db file extension is used by Oracle, Paradox and XoftSpySE databases. [1] As Christian …

2019年8月8日 · How to create a DB link between two Oracle instances. Let's say A and B are two instances. I want to access the data in instance B from the instance A.

2024年4月24日 · # delete functionality def delete_from_db(self): db.session.delete(self) db.session.commit() How do I complete my database setup to perform CRUD operations? …

2009年12月2日 · I have a database "TEST", to which I connect at address 123.45.67.89:1521. How do I connect to it using PL/SQL Developer?

2012年1月30日 · sqlite3 data.db I cannot figure out how to open a database file from within the tool after having invoked it without supplying the file as a command-line argument (if I, say, …

2010年3月15日 · I want to calculate room noise level with the computer's microphone. I record noise as an audio file, but how can I calculate the noise dB level? I don't know how to start!

The thing which I don't understand is how rake db:schema:load is different from the former two. Just to be sure that I am on the same page: rake db:migrate - Runs the migrations which …

2014年3月18日 · I would like to give a user all the permissions on a database without making it an admin. The reason why I want to do that is that at the moment DEV and PROD are different DBs …

2016年2月16日 · How to drop a SQL Server user with db owner privilege Asked 9 years, 10 months ago Modified 3 years, 4 months ago Viewed 115k times