Python 学习笔记五----使用sqlite数据库

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选择匿名的用户   2021-6-2 19:23   1084   0
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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