python sql query builder

Vi/etc/freetds/freetds.conf Copy Code code as follows: [Global] # TDS Protocol version TDS Version = 8.0 Client CharSet = UTF-8 # A Typical Microsoft server [Server55] Host = 192.168.1.55 Port = 1433 TDS Version = 8.0 Vi/etc/odbc.ini [DSN55] Description=my DSN Driver=tds database=qq99 Servername=server55 Tsql-s server55-u qq-p 123456-d qq99 Copy Code code as follows: #coding =utf-8 #!/usr/bin/

(host= "localhost", user= "sa", pwd= "123456", db= "Pythonweibostatistics") the reslist = Ms. ExecQuery ("Select Id,nickname from Weibouser") + For (Id,nickname) in reslist: - print str (ID), nickname $ """ $cur = self.__get_connect() - cur.execute (SQL) -Reslist =Cur.fetchall () the - #connection must be closed after query is completeWuyi self.conn.close () the returnreslist - Wu

")Else:returnCurdefExecQuery ( Self, SQL):"""Execute Query statementThe element that returns a list,list containing a tuple is a record row, and the elements of a tuple are the fields of each row of recordsInvocation Example:ms = MSSQL (host= "localhost", user= "sa", pwd= "123456", db= "Pythonweibostatistics")Reslist = Ms. ExecQuery ("SelectID, nickname from Weibouser ")for (Id,nickname) in reslist:Print st

Tags: org share object execution user off HTM connections recordFirst, the use of modules introduction and installation 1. The module used by Python to operate SQL Server is pymssql. 2, pymssql installation, directly using PIP install pymssql to install. Ii. introduction of Python Operations SQL Server 1, database conn

Tags: Python sql Chinese garbled #coding:utf-8 importpymssql importsys classmssql: def__init_ _ (self,host,port,user,pwd,db): Reload (SYS) sys.setdefaultencoding (' UTF8 ') NBSP;NBSP;NBSP;NBSP;NBSP;IFNBSP;NOTNBSP;DB: raise (nameerror,u "Not set Database Information") self.conn =pymssql.connect (host=host,port=port,user=user,password=pwd,database=db, charset= "UTF8") self.cur=self.conn.cursor () ifno

SQL query the day of the Recharge record importSQL code--Query the day's data select*fromawheregeneratetime=sysdate--query for one weeks of data select*from awhere (sysdate-generaetime) =7--query for one months data select*fromawheremonths _between (sysdate,generatetime) =1-

Python remotely clears the SQL Server database servers log for reference: # CODING=GBK From encodings Import GBK Import re Import Sys Import OS Import Pyodbc Import Traceback Import Decimal #连接数据库 conn = Pyodbc.connect (' Driver={sql Server}; Server=192.168.1.43;database=master; Uid=sa; Pwd=passwd123123 ') # get the cursor object to manipulate cursor

Printfriend6Cur.execute ('SELECT friends from Twitter WHERE name =? LIMIT 1', 7 (friend,))8 Try: 9Count =cur.fetchone () [0]TenCur.execute ('UPDATE Twitter SET friends =? WHERE name =?', One(count+1, Friend)) ACountold = countold + 1 - except: -Cur.execute (" "INSERT into Twitter (name, retrieved, friends) the VALUES (?, 0, 1)" ", (Friend,)) -Countnew = countnew + 1 - Print 'New accounts=', Countnew,'revisited=', Countold -Conn.commit () View Code As long as the cursor executes the SELECT st

Tags: Range query str disorderly sequence cannot pytho blog rom from UNIXSeveral principles of SQL-built indexing: The leftmost prefix matching principle, very important principle, MySQL will always match right until it encounters a range query (>, = and in can be disorderly, such as a = 1 and B = 2 and c = 3 build (a,b,c) index can be in any order