230 lines
6.6 KiB
Groff
230 lines
6.6 KiB
Groff
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.\" Hey, EMACS: -*- nroff -*-
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.\" First parameter, NAME, should be all caps
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.\" Second parameter, SECTION, should be 1-8, maybe w/ subsection
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.\" other parameters are allowed: see man(7), man(1)
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.TH SQLITE3 1 "Mon Apr 15 23:49:17 2002"
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.\" Please adjust this date whenever revising the manpage.
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.\"
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.\" Some roff macros, for reference:
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.\" .nh disable hyphenation
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.\" .sp <n> insert n+1 empty lines
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.\" for manpage-specific macros, see man(7)
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.SH NAME
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.B sqlite3
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\- A command line interface for SQLite version 3
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.SH SYNOPSIS
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.B sqlite3
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.RI [ options ]
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.RI [ databasefile ]
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.RI [ SQL ]
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.SH SUMMARY
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.PP
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.B sqlite3
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is a terminal-based front-end to the SQLite library that can evaluate
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queries interactively and display the results in multiple formats.
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.B sqlite3
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can also be used within shell scripts and other applications to provide
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batch processing features.
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.SH DESCRIPTION
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To start a
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.B sqlite3
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interactive session, invoke the
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.B sqlite3
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command and optionally provide the name of a database file. If the
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database file does not exist, it will be created. If the database file
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does exist, it will be opened.
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For example, to create a new database file named "mydata.db", create
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a table named "memos" and insert a couple of records into that table:
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.sp
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$
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.B sqlite3 mydata.db
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.br
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SQLite version 3.1.3
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.br
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Enter ".help" for instructions
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.br
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sqlite>
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.B create table memos(text, priority INTEGER);
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.br
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sqlite>
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.B insert into memos values('deliver project description', 10);
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.br
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sqlite>
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.B insert into memos values('lunch with Christine', 100);
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.br
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sqlite>
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.B select * from memos;
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.br
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deliver project description|10
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.br
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lunch with Christine|100
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.br
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sqlite>
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.sp
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If no database name is supplied, the ATTACH sql command can be used
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to attach to existing or create new database files. ATTACH can also
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be used to attach to multiple databases within the same interactive
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session. This is useful for migrating data between databases,
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possibly changing the schema along the way.
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Optionally, a SQL statement or set of SQL statements can be supplied as
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a single argument. Multiple statements should be separated by
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semi-colons.
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For example:
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.sp
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$
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.B sqlite3 -line mydata.db 'select * from memos where priority > 20;'
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.br
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text = lunch with Christine
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.br
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priority = 100
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.br
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.sp
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.SS SQLITE META-COMMANDS
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.PP
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The interactive interpreter offers a set of meta-commands that can be
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used to control the output format, examine the currently attached
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database files, or perform administrative operations upon the
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attached databases (such as rebuilding indices). Meta-commands are
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always prefixed with a dot (.).
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A list of available meta-commands can be viewed at any time by issuing
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the '.help' command. For example:
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.sp
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sqlite>
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.B .help
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.nf
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.cc |
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.databases List names and files of attached databases
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.dump ?TABLE? ... Dump the database in an SQL text format
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.echo ON|OFF Turn command echo on or off
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.exit Exit this program
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.explain ON|OFF Turn output mode suitable for EXPLAIN on or off.
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.header(s) ON|OFF Turn display of headers on or off
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.help Show this message
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.import FILE TABLE Import data from FILE into TABLE
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.indices TABLE Show names of all indices on TABLE
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.mode MODE ?TABLE? Set output mode where MODE is one of:
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csv Comma-separated values
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column Left-aligned columns. (See .width)
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html HTML <table> code
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insert SQL insert statements for TABLE
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line One value per line
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list Values delimited by .separator string
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tabs Tab-separated values
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tcl TCL list elements
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.nullvalue STRING Print STRING in place of NULL values
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.output FILENAME Send output to FILENAME
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.output stdout Send output to the screen
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.prompt MAIN CONTINUE Replace the standard prompts
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.quit Exit this program
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.read FILENAME Execute SQL in FILENAME
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.schema ?TABLE? Show the CREATE statements
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.separator STRING Change separator used by output mode and .import
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.show Show the current values for various settings
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.tables ?PATTERN? List names of tables matching a LIKE pattern
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.timeout MS Try opening locked tables for MS milliseconds
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.width NUM NUM ... Set column widths for "column" mode
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sqlite>
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|cc .
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.sp
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.fi
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.SH OPTIONS
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.B sqlite3
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has the following options:
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.TP
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.BI \-init\ file
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Read and execute commands from
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.I file
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, which can contain a mix of SQL statements and meta-commands.
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.TP
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.B \-echo
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Print commands before execution.
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.TP
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.B \-[no]header
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Turn headers on or off.
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.TP
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.B \-column
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Query results will be displayed in a table like form, using
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whitespace characters to separate the columns and align the
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output.
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.TP
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.B \-html
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Query results will be output as simple HTML tables.
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.TP
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.B \-line
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Query results will be displayed with one value per line, rows
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separated by a blank line. Designed to be easily parsed by
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scripts or other programs
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.TP
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.B \-list
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Query results will be displayed with the separator (|, by default)
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character between each field value. The default.
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.TP
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.BI \-separator\ separator
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Set output field separator. Default is '|'.
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.TP
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.BI \-nullvalue\ string
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Set string used to represent NULL values. Default is ''
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(empty string).
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.TP
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.B \-version
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Show SQLite version.
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.TP
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.B \-help
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Show help on options and exit.
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.SH INIT FILE
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.B sqlite3
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reads an initialization file to set the configuration of the
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interactive environment. Throughout initialization, any previously
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specified setting can be overridden. The sequence of initialization is
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as follows:
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o The default configuration is established as follows:
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.sp
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.nf
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.cc |
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mode = LIST
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separator = "|"
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main prompt = "sqlite> "
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continue prompt = " ...> "
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|cc .
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.sp
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.fi
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o If the file
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.B ~/.sqliterc
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exists, it is processed first.
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can be found in the user's home directory, it is
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read and processed. It should generally only contain meta-commands.
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o If the -init option is present, the specified file is processed.
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o All other command line options are processed.
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.SH SEE ALSO
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http://www.sqlite.org/
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.br
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The sqlite-doc package
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.SH AUTHOR
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This manual page was originally written by Andreas Rottmann
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<rotty@debian.org>, for the Debian GNU/Linux system (but may be used
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by others). It was subsequently revised by Bill Bumgarner <bbum@mac.com>.
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