There are several ways you can use Python to connect to SQL Server and one of such ways is to use pyodbc and sqlalchemy
This is a sample code to use Python to connect to SQL Server Native Client. import sqlalchemy import pyodbc try: import urllib params = urllib.quote_plus(“DRIVER={SQL Server Native Client 11.0};SERVER=.\MSSQLSERVER_ENT;DATABASE=MagicDirect;Trusted_Connection=yes;”) engine = sqlalchemy.create_engine(‘mssql+pyodbc:///?odbc_connect=%s”‘ % params) results.to_sql(“clusterSegments”, engine, if_exists = ‘replace’)# except (RuntimeError, TypeError, NameError): print(‘Error in Conneccting’) print(RuntimeError, TypeError, NameError) finally: print(“connected”)
ERDPLUS One tool I generally use when working on a projects, mini tasks and exploration is the ERDPLUS tool . It is quite simple and easy to use. It is a Free tool as well. Below are some diagrams I generated when i first got in contact with with tool. ERD DIAGRAMS: 1. 2. A
Using Subqueries to join 2 more tables which do not have distinct values in a column We want to find the number of Flight bookings by Country, number of Car bookings by Country and the number of Hotel bookings by Country all appearing in one table with same country on one row. We want to
Sometimes, you would want to split values in a column into separate rows in SQL server. This is a simple guide. Lets check the fields in the table we will be working with. select [orderID] ,[itemType] ,[price] ,[quantity] from [Antrak].[dbo].[ClothingSale] Let’s check the result: We can see that the itemType field has different values
Sometimes you want to get some numbers and also percentages for quick analysis. This is a quick simple way to get quick overviews
I receive a lot of emails about where to get quick and excellent resources for explaining most of the concepts of Transact-SQL (T SQL) and Microsoft SQL Server in general What is Transact-SQL or T SQL. T-SQL (Transact-SQL) is a set of programming extensions from Sybase and Microsoft that add several features to the Structured Query
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