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File extension . DB - What kind of database is it exactly? 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 file, looking for any clues like magic numbers, headers, and so on to determine the type of the file
What is the difference between *. sqlite and *. db file? 0x53 0x51 0x4c 0x69 0x74 0x65 0x20 0x66 0x6f 0x72 0x6d 0x61 0x74 0x20 0x33 0x00 which is ASCII for: SQLite format 3 In other words, it could be the same database content There is no difference, as long as the creator did not put other bytes in it If you want to see if it is a SQLite 3 database, open the file in a hexeditor and look for the byte above or simply open it with the SQLite driver
How can I calculate audio dB level? - Stack Overflow 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!
Difference between rake db:migrate db:reset and db:schema:load 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 haven't been run yet rake db:reset - Clears the database (presumably does a rake db:drop + rake db:create + rake db:migrate) and runs migration on a fresh database
sql - Postgres DB Size Command - Stack Overflow What is the command to find the size of all the databases? I am able to find the size of a specific database by using following command: select pg_database_size('databaseName');
Opening database file from within SQLite command-line shell 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, double-click sqlite3 exe in Windows) What is the command within the SQLite shell tool to specify a database file?