Difference between revisions of "sqlite3 notes"
From thelinuxwiki
Line 11: | Line 11: | ||
0 main c:\sqlite\db\chinook.db | 0 main c:\sqlite\db\chinook.db | ||
2 contacts c:\sqlite\db\contacts.db | 2 contacts c:\sqlite\db\contacts.db | ||
+ | |||
+ | ==copying data== | ||
+ | ===between columns=== | ||
+ | ===between tables=== | ||
+ | ===between databases=== | ||
==usefull techniques== | ==usefull techniques== |
Latest revision as of 17:27, 23 May 2019
Contents |
basics
attaching secondary databases
to insert, query, etc. between tables on different databases, attach multiple to your session
sqlite> ATTACH DATABASE file_name AS database_name;
list attached databases
sqlite> .databases seq name file --- --------------- ---------------------------------------------------------- 0 main c:\sqlite\db\chinook.db 2 contacts c:\sqlite\db\contacts.db
copying data
between columns
between tables
between databases
usefull techniques
helps you prevent an error of creating something that already exists
IF NOT EXISTS