SQLite權威指南-CLP(command line program) [ 3 ]：改變資料表的SQL語法介紹

SQLite權威指南-CLP(command line program) [ 3 ]：改變資料表的SQL語法介紹

 

資料來源：SQLite權威指南 P021～P022

 

CREATE TABLE contacts ( id INTEGER PRIMARY KEY,name TEXT NOT NULL COLLATE NOCASE,phone TEXT NOT NULL DEFAULT 'UNKNOWN',UNIQUE (name,phone) );

 

定義：ALTER TABLE table { RENAME TO name | ADD COLUMN column_def }

 

ALTER TABLE contacts

ADD COLUMN email TEXT NOT NULL DEFAULT '' COLLATE NOCASE;

 

.schema contacts