sqlite3 命令行操作

最新推荐文章于 2025-06-03 23:12:18 发布

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最新推荐文章于 2025-06-03 23:12:18 发布

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本文链接：https://blog.youkuaiyun.com/chad20080808/article/details/27532083

本文详细介绍了如何使用SQLite3加载数据库、查看数据库信息、显示表及其内容，并提供了SQL命令帮助，包括备份、错误处理、数据库表管理、数据导出、格式设置等常用功能。

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1. sqlite3 dbName.sqlite3 加载数据库，不存载就创建

2. .help 帮助详解

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.
.load FILE ?ENTRY?     Load an extension library
.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 <table> 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
.width NUM1 NUM2 ...   Set column widths for "column" mode
.timer ON|OFF          Turn the CPU timer measurement on or off

3. 应用截图

加载

root@ubuntu:~/workspace/SVN_AUTH/db# sqlite3 development.sqlite3
SQLite version 3.7.2
Enter ".help" for instructions
Enter SQL statements terminated with a ";"

显示数据库

sqlite> .databases
seq  name             file                                                      
---  ---------------  ----------------------------------------------------------
0    main             /root/workspace/SVN_AUTH/db/development.sqlite3

显示表

sqlite> .tables
applies            logs               repositories       users            
deps               permits            schema_migrations

显示表的内容

sqlite> .head on  #显示表头
sqlite> select * from users;
id|name|brief|group|dep_id|created_at|updated_at
1|3B-7-1-16  刘文民|liuwm|superadmin||2011-08-08 08:11:37.283136|2011-08-08 08:11:37.283136
3|3D-1-01  贾延平|jiayp|admin||2011-08-08 08:19:51.745947|2011-08-08 08:19:51.745947
4|3B-7-1-11 杜宏伟|duhw|||2011-08-08 08:33:51.496746|2011-08-08 08:33:51.496746
5|3B-2-14  苑辰|yuanc-a|emplooyee||2011-08-08 08:52:03.229173|2011-08-08 08:52:03.229173
6|3B-2-16  周四维|zhousw|||2011-08-08 08:54:21.134175|2011-08-08 08:54:21.134175
7|3B-2-12  施晟|shis|||2011-08-08 08:56:01.234077|2011-08-08 08:56:01.234077

显示创建表的脚本（不跟参数显示所有的）

sqlite> select * from users;
id|name|brief|group|dep_id|created_at|updated_at
1|3B-7-1-16  刘文民|liuwm|superadmin||2011-08-08 08:11:37.283136|2011-08-08 08:11:37.283136
3|3D-1-01  贾延平|jiayp|admin||2011-08-08 08:19:51.745947|2011-08-08 08:19:51.745947
4|3B-7-1-11 杜宏伟|duhw|||2011-08-08 08:33:51.496746|2011-08-08 08:33:51.496746
5|3B-2-14  苑辰|yuanc-a|emplooyee||2011-08-08 08:52:03.229173|2011-08-08 08:52:03.229173
6|3B-2-16  周四维|zhousw|||2011-08-08 08:54:21.134175|2011-08-08 08:54:21.134175
7|3B-2-12  施晟|shis|||2011-08-08 08:56:01.234077|2011-08-08 08:56:01.234077