sqlite commands
src = https://www.sitepoint.com/getting-started-sqlite3-basic-commands/
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.show    Displays current settings for various parameters
.databases    Provides database names and files
.quit    Quit sqlite3 program
.tables    Show current tables
.schema    Display schema of table
.header    Display or hide the output table header
.mode    Select mode for the output table
.dump    Dump database in SQL text format