执行更新操作,调用SQLiteDatabase中的execSQL()方法,参数为sql语句 db.execSQL(“update student set id = 1111111 where name=‘张三’”); 执行查询操作,调用SQLiteDatabase中的rawQuery()方法,第一个参数时sql语句,第二个参数...
一、grant的使用 -- 把Student表查询权限授予userName GRANT SELECT ON Student TO userName; --把Student表全部权限授予userName GRANT ALL ON Student TO userName; --把Student表查询权限授予全部用户 GRANT SELECT ON Student TO PUBLIC; -- 把Student表查询权限、更新权...
数据库的名称为school,素材如下 1.创建student和score表 CREATE TABLE student (? id INT(10) NOT NULL UNIQUE PRIMARY KEY ,? name VARCHAR(20) CHARACTER SET utf8 NOT NULL,? sex VARCHAR(4) CHARACTER SET utf8,? birth YEAR ,? department VARCHAR(20) CHARACTE...
执行更新操作,调用SQLiteDatabase中的execSQL()方法,参数为sql语句 db.execSQL(“update student set id = 1111111 where name=‘张三’”); 执行查询操作,调用SQLiteDatabase中的rawQuery()方法,第一个参数时sql语句,第二个参数...
在Android Studio中练习SQLite数据库时报错 ?E/SQLiteLog: (1) table student has no column named age in "INSERT INTO student(age,name) VALUES (?,?)" E/SQLiteDatabase: Error inserting age=20 name=张三 ? ? android.database.sqlite.SQLiteExceptio...