1、什麼是SqLite數據庫?
最近爲了應付移動框架flutter纔看的這個數據庫…
2、使用說明書
1)下載
SqLite3.0
2)數據庫(database)創建
Microsoft Windows [版本 10.0.17763.615]
(c) 2018 Microsoft Corporation。保留所有權利。
C:\Users\Administrator>cd C:\sqlite3
C:\sqlite3>sqlite3 ebook.db
SQLite version 3.7.15.2 2013-01-09 11:53:05
Enter ".help" for instructions
Enter SQL statements terminated with a ";"
創建之後,我們看下有哪些數據庫:
sqlite> .databases
seq name file
--- --------------- ----------------------------------------------------------
0 main C:\sqlite3\ebook.db
3)創建表(table)
sqlite> create table userinfo(id char(10),password char(20));
sqlite> .tables
userinfo
sqlite>_
顯示錶的創建完整信息:
sqlite> .schema userinfo
CREATE TABLE userinfo(id char(10),password char(20));
sqlite>_
插入數據:
sqlite> INSERT INTO userinfo VALUES ('2017120107','1213456');
查詢數據:
sqlite> .header on
sqlite> SELECT * FROM userinfo;
id | password
2017120107 | 1213456
sqlite>_
更改數據:
sqlite> UPDATE userinfo SET password = 'abcdef' WHERE id = '2017120107';
sqlite> SELECT * FROM userinfo;
id | password
2017120107 | abcdef
sqlite>_
刪除數據:
sqlite> DELETE FROM userinfo WHERE id = '2017120107';
sqlite> SELECT * FROM userinfo;
sqlite>_
這就是簡單的SqLite數據庫增刪改查操作
推薦網址:菜鳥教程-SqLite教程