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python连接pgsql数据库操作 

 1 import psycopg2
 2 #连接数据库
 3 conn = psycopg2.connect(database='test',user='postg',
 4                  password='y0',host='10.13.108.5',port='5432')
 5 
 6 cursor = conn.cursor()   #创建一个游标
 7 
 8 #execuet方法是针对数据库的请求
 9 cursor.execute('create table test_1(id int,name varchar(20) )') 
10 cursor.execute("insert into test_1 values(1,'lg')")
11 cursor.execute("drop table test_1")
12 
13 conn.commit()  #提交
14 cursor.execute("select * from test_1")
15 rows = cursor.fetchall()   #返回所有行的元组
16 for row in rows:
17     print(row[0],row[1])
18 cursor.close()
19 conn.close()

 

posted on 2022-06-01 15:05  Ebook123  阅读(143)  评论(0)    收藏  举报