衰减的单位dB是什么意思？ - 知乎
Oct 3, 2013 · 如果我们用dB来表示的话，第一种情况增大了3dB，而第二种情况增大了10.4dB，更能客观地反映出人的感官的感觉特性。 而在电子工程技术领域，dB是国际上统一使用的电信 …
File extension .DB - What kind of database is it exactly?
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 file, …
database - How to open this .DB file? - Stack Overflow
I have a few database files with .db extension and I want to take a peek. However I don't know what program should I use to open the files. I've found a similar quesiton that says checking …
How do I grant read access for a user to a database in SQL Server?
Jun 8, 2012 · I want to grant access to a user to a specific database with read and write access. The user is already available in the domain but not in the DB. So, how can I give them that …
How do I unlock an SQLite database? - Stack Overflow
Nov 19, 2024 · When I enter sqlite> DELETE FROM mails WHERE ('id' = 71); SQLite returns: SQL error: database is locked How do I unlock the database so this query will work?
How do I see active SQL Server connections? - Stack Overflow
Jan 21, 2019 · I am using SQL Server 2008 Enterprise. I want to see any active SQL Server connections, and the related information of all the connections, like from which IP address, …
*.db是什么文件，如何打开？ - 知乎
后缀是.db的文件是数据库文件，db是datebase的缩写，datebase的意思就是数据库。 数据库类型包括： 关系数据库、 非关系型数据库 （NoSQL） 关系型的有：Oracle，MySQL， …
How do I connect to a MySQL Database in Python?
Dec 16, 2008 · The problem with using Oracle's Connector/Python is that it has subtle bugs and other integration issues. It's easy to install, but nearly impossible to get to work for all the real …
Get list of databases from SQL Server - Stack Overflow
Jul 8, 2014 · How can I get the list of available databases on a SQL Server instance? I'm planning to make a list of them in a combo box in VB.NET.
How do I shrink my SQL Server Database? - Stack Overflow
Jan 13, 2009 · I need to shrink this DB (and many others like this at various client locations). I have found and deleted many 100's of 1000's of records which are considered unneeded: …