Android之sqlite 命令
1.数据库、表的建立，记录的添加、查询、修改和删除
F:">sqlite3 database.db
sqlite> create table admin(username text,age
integer);
sqlite> insert into admin values('kuang',25);
sqlite> select * from admin;
sqlite> update admin set username='kk',age=24 where
username='kuang' and age=25;
sqlite> delete from admin where username='kk';
注：每条sql语句后必须以";"号结尾！
2.Sqlite系统命令
.bail
ON|OFF
Stop after hitting an
error. Default OFF
.databases
List names and files of attached databases(查看目前挂的数据库)
.dump ?TABLE?
... Dump
the database in an SQL text format(以SQL格式输出表结构)
.echo
ON|OFF
Turn command echo on or off
.exit Exit
this program(退出程序)
.explain
ON|OFF Turn
output mode suitable for EXPLAIN on or off.
.header(s)
ON|OFF Turn
display of headers on or off
.help Show
this message(显示帮助信息)
.import FILE
TABLE
Import data from FILE into
TABLE(把文件中的数据导入到表中,各字段用separator的值为分隔符)
.indices
TABLE
Show names of all indices on TABLE
.load FILE
?ENTRY?
Load an extension library
.mode MODE
?TABLE?
Set output mode where MODE is one of:(输出格式)
csv Comma-separated
values(各字段以逗号为分隔符输出)
column Left-aligned
columns. (See
.width)(以.width设置的宽度显示各字段)
html
HTML <table> code(html表格格式输出)
insert SQL insert statements
for TABLE(以insert SQL语句形式输出)
line
One value per line(field = value的形式逐行输出)
list
Values delimited by .separator string(各字段以separator的值为分隔符输出)
tabs
Tab-separated values
tcl TCL
list elements
.nullvalue
STRING Print
STRING in place of NULL values
.output
FILENAME
Send output to FILENAME(设置把查询输出到文件,后面的输出结果都保存到文件中)
.output
stdout
Send output to the screen(设置把查询结果输出到屏幕,默认)
.prompt MAIN CONTINUE Replace
the standard prompts(修改提示符)
.quit Exit
this program(退出)
.read
FILENAME
Execute SQL in FILENAME(执行文件中的SQL语句)
.schema
?TABLE? Show
the Create statements(以SQL格式输出表结构)
.separator
STRING Change
separator used by output mode and .import(修改分隔符)
.show Show
the current values for various settings(显示配置信息)
.tables
?PATTERN? List
names of tables matching a LIKE pattern(看看有创建了多少表)
.timeout
MS Try
opening locked tables for MS milliseconds(超时时间,单位:毫秒)
.width NUM NUM
...
Set column widths for "column" mode(设置列宽)