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Python 学习笔记五----使用sqlite数据库

2014-11-05 09:59 232 查看
import sqlite3

def Test1():
con = sqlite3.connect("D:\\test.db")
con = sqlite3.connect("memory")
cur =con.cursor()
try:
cur.execute('create table score(id integer primary key,name varchar(10),scores integer)')
cur.execute("insert into score values(0,'Rose',87)")
cur.execute("insert into score values(1,'Alice',78)")
cur.execute("insert into score values(2,'Helon',100)")
cur.execute("insert into score values(3,'Tom',98)")
cur.execute("insert into score values(4,'jack',198)")
#cur.execute("insert into score values(4,'jack',198)") #Don't execute the following statement when except occurs
cur.execute("insert into score values(5,'Tony',198)")
cur.execute("insert into score values(6,'David',99)")

cur.execute("update score set scores =? where id=?",(45,3)) #With Param
cur.execute("update score set name=? where id=?",("John",0)) #With Param
cur.execute("delete from score where id =1")
except Exception,e:
print "There are some except",e
con.commit()

print "Insert Complete"
print "-----------------------------------------"
print "Last row id is ",cur.lastrowid

cur.execute('select * from score')
print cur.fetchall()
print "----------------------------------------"
cur.execute("select count(*) from score")
print "Current Rows is :",cur.fetchall()[0]

cur.close()
con.close()

if __name__ =='__main__':
Test1()
print "hello world"
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