Features: Ø Dropout voltage 1.2V Ø Line regulation typically at 0.2% max Ø Load regulation typically at 0.4% max Ø Current limiting and Thermal protection Ø Adjustable Output Voltage or Fixed 1.25V,1.5V, 1.8V,2.5V,2.85V,3.3V,5V Ø Standard 3-pin Powe
mysql常用查询测试及答案: 参考链接: http://blog.sina.com.cn/s/blog_767d65530101861c.html -------------------创建如下表---------------------- 1.创建表 CREATE TABLE student ( id INT(10) NOT NULL UNIQUE PRIMARY KEY , name VARCHAR(20) NOT NULL , sex VARCHAR(4), birth YEAR, d