Android之sqlite 命令
1.數據庫、表的建立，記錄的添加、查詢、修改和刪除
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：每條sql語句后必須以";"號結尾！
2.Sqlite系統命令
.bail
ON|OFF
Stop after hitting an
error. Default OFF
.databases
List names and files of attached databases(查看目前掛的數據庫)
.dump ?TABLE?
... Dump
the database in an SQL text format(以SQL格式輸出表結構)
.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(顯示幫助信息)
.import FILE
TABLE
Import data from FILE into
TABLE(把文件中的數據導入到表中,各字段用separator的值為分隔符)
.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:(輸出格式)
csv Comma-separated
values(各字段以逗號為分隔符輸出)
column Left-aligned
columns. (See
.width)(以.width設置的寬度顯示各字段)
html
HTML <table> code(html表格格式輸出)
insert SQL insert statements
for TABLE(以insert SQL語句形式輸出)
line
One value per line(field = value的形式逐行輸出)
list
Values delimited by .separator string(各字段以separator的值為分隔符輸出)
tabs
Tab-separated values
tcl TCL
list elements
.nullvalue
STRING Print
STRING in place of NULL values
.output
FILENAME
Send output to FILENAME(設置把查詢輸出到文件,后面的輸出結果都保存到文件中)
.output
stdout
Send output to the screen(設置把查詢結果輸出到屏幕,默認)
.prompt MAIN CONTINUE Replace
the standard prompts(修改提示符)
.quit Exit
this program(退出)
.read
FILENAME
Execute SQL in FILENAME(執行文件中的SQL語句)
.schema
?TABLE? Show
the Create statements(以SQL格式輸出表結構)
.separator
STRING Change
separator used by output mode and .import(修改分隔符)
.show Show
the current values for various settings(顯示配置信息)
.tables
?PATTERN? List
names of tables matching a LIKE pattern(看看有創建了多少表)
.timeout
MS Try
opening locked tables for MS milliseconds(超時時間,單位:毫秒)
.width NUM NUM
...
Set column widths for "column" mode(設置列寬)