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, …
衰减的单位dB是什么意思？ - 知乎
Oct 3, 2013 · 一、dB的基本概念. 在生活中，提到dB（分贝）这个单位，通常是和声音联系到一起，好像它仅仅是一个声学单位。但实际上，dB这个单位应用很广泛，在声学、电子学、光学 …
database - How to open this .DB file? - Stack Overflow
I don't think there is a way to tell which program to use from just the .db extension. It could even be an encrypted database which can't be opened. You can MS Access, or a sqlite manager. …
Create Local SQL Server database - Stack Overflow
Apr 11, 2017 · I've used SQL Server Management Studio before, but only when the server is already up and running. I need to start from the beginning and create my own instance on the …
How do I see active SQL Server connections? - Stack Overflow
Jan 21, 2019 · I threw this together so that you could do some querying on the results. Declare @dbName varchar(150) set @dbName = '[YOURDATABASENAME]' --Total machine …
Opening database file from within SQLite command-line shell
Jan 30, 2012 · sqlite> attach database 'RelDb.sqlite' as RelDb; sqlite> .databases main: /db/UserDb.sqlite RelDb: /db/RelDb_1.sqlite sqlite> .tables RelDb.collectionRelationship …
How to fetch the row count for all tables in a SQL SERVER database
Feb 8, 2010 · Row Counts Using sysindexes If you're using SQL 2000 you'll need to use sysindexes like so:-- Shows all user tables and row counts for the current database -- Remove …
How do I shrink my SQL Server Database? - Stack Overflow
Jan 13, 2009 · Shrink db (right-click db, choose all tasks > shrink db -> set to 10% free space) Verify that the space has been reclaimed, if not you might have to do a full backup; If that …
Copy tables from one database to another in SQL Server
Dec 8, 2013 · SQL Server Management Studio's "Import Data" task (right-click on the DB name, then tasks) will do most of this for you. Run it from the database you want to copy the data …
How to check SQL Server version - Stack Overflow
May 17, 2016 · EDITED: You may also want to check your DB compatibility level since it could be set to a lower compatibility. IF EXISTS (SELECT * FROM sys.databases WHERE …