2.1 基本命令
2.1.1 显示帮助
sqlite> .help
.backup DB FILE Backup DB (default "main") to FILE
.bail ON|OFF Stop after hitting an error. Default OFF
.databases List names and files of attached databases
.dump TABLE ... Dump the database in an SQL text format
If TABLE specified, only dump tables matching
LIKE pattern TABLE.
.echo ON|OFF Turn command echo on or off
.exit Exit this program
.explain ON|OFF Turn output mode suitable for EXPLAIN on or off.
With no args, it turns EXPLAIN on.
.header(s) ON|OFF Turn display of headers on or off
.help Show this message
.import FILE TABLE Import data from FILE into TABLE
.indices TABLE Show names of all indices
If TABLE specified, only show indices for tables
matching LIKE pattern TABLE.
.log FILE|off Turn logging on or off. FILE can be stderr/stdout
.mode MODE TABLE Set output mode where MODE is one of:
csv Comma-separated values
column Left-aligned columns. (See .width)
html HTML code
insert SQL insert statements for TABLE
line One value per line
list Values delimited by .separator string
tabs Tab-separated values
tcl TCL list elements
.nullvalue STRING Print STRING in place of NULL values
.output FILENAME Send output to FILENAME
.output stdout Send output to the screen
.prompt MAIN CONTINUE Replace the standard prompts
.quit Exit this program
.read FILENAME Execute SQL in FILENAME
.restore DB FILE Restore content of DB (default "main") from FILE
.schema TABLE Show the CREATE statements
If TABLE specified, only show tables matching
LIKE pattern TABLE.
.separator STRING Change separator used by output mode and .import
.show Show the current values for various settings
.stats ON|OFF Turn stats on or off
.tables TABLE List names of tables
If TABLE specified, only list tables matching
LIKE pattern TABLE.
.timeout MS Try opening locked tables for MS milliseconds
.trace FILE|off Output each SQL statement as it is run
.vfsname AUX Print the name of the VFS stack
.width NUM1 NUM2 ... Set column widths for "column" mode
.timer ON|OFF Turn the CPU timer measurement on or off
sqlite>
2.1.2 进入和退出命令行环境
#退出方法1: .quit
bixiaopeng@bixiaopeng ~$ sqlite3
SQLite version 3.7.13 2012-07-17 17:46:21
Enter ".help" for instructions
Enter SQL statements terminated with a ";"
sqlite> .quit
#退出方法2: .exit
bixiaopeng@bixiaopeng ~$ sqlite3
SQLite version 3.7.13 2012-07-17 17:46:21
Enter ".help" for instructions
Enter SQL statements terminated with a ";"
sqlite> .exit
2.2 数据库和表相关命令
2.2.1 创建一个新的数据库: sqlite3 数据库名
bixiaopeng@bixiaopeng SQLITE$ mkdir db && cd db && sqlite3 wiressqa.db
SQLite version 3.7.13 2012-07-17 17:46:21
Enter ".help" for instructions
Enter SQL statements terminated with a ";"
sqlite>
2.2.3 打开一个已经存在的数据库: sqlite3 数据库名
bixiaopeng@bixiaopeng db$ sqlite3 wirelessqa.db
SQLite version 3.7.13 2012-07-17 17:46:21
Enter ".help" for instructions
Enter SQL statements terminated with a ";"
sqlite>
2.2.3 导入数据: .read 数据文件
help:
.read FILENAME Execute SQL in FILENAME
example:
准备testdata.sql文件
BEGIN TRANSACTION;
CREATE TABLE Cars(Id integer PRIMARY KEY, Name text, Cost integer);
INSERT INTO Cars VALUES(1,'Audi',52642);
INSERT INTO Cars VALUES(2,'Mercedes',57127);
INSERT INTO Cars VALUES(3,'Skoda',9000);
INSERT INTO Cars VALUES(4,'Volvo',29000);
INSERT INTO Cars VALUES(5,'Bentley',350000);
INSERT INTO Cars VALU