Pyodbc get column names. NET ExecuteScalar() method.

Pyodbc get column names Jul 7, 2024 · In this topic, we explored how to retrieve data from a SQL Server database using pyodbc in Python 3. columns where table May 18, 2023 · Explore the database schema. table_cat; table_schem; table_name; column_name; data_type; type_name However the result of this just gives me things like the table name, the column names, and some integers and 'None's and things like that that aren't of interest to me: STATUS_EFF_DATE DATABASE dbo WORK_ORDER STATUS_EFF_DATE 93 datetime 23 16 3 None 0 None None 9 3 None 80 NO 61 So I'm not really sure where I can get the values to fill up my table. execute("select [album id], photo_id from [my photos] Aug 30, 2017 · This will only work if your column names do not themselves contain square brackets. OLEDB. Apr 25, 2019 · Get MSSQL table column names using pyodbc in python. column_name x Out[14]: u'Pay_Agent' This output gives me only one of the column names. Code sample # assumes connection, cursor already setup # build SQL for retrieving May 13, 2013 · How do I serialize pyodbc cursor output (from . However, I am not sure how to move the data. drivers() if x. keys() Why? I had a similar use case where I need to know the explicit columns returned by a query (i. So say that 7 rows in column 3 contain the value 'X'. column_name As Mark noted in the comments you probably also want the row. fetchone() then using indexing or tuple assignment, e. Asking for help, clarification, or responding to other answers. execute("""SELECT SRNUMBER, FirstName, LastName, ParentNumber FROM MYLA311 Aug 18, 2021 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. Apr 17, 2012 · Is there a way to retrieve SQL result column value using column name instead of column index in Python? I'm using Python 3 with mySQL. I get the column names from quandl and use the same names in the SQL table. I would like to be able to find the index of a row (or set of rows) based on a value in one of the columns. Inside of your loop try words. Select column names in a table using PyODBC. 0. , crsr. column) cursor. OleDb. object_id = t. fetchall(query) command which contains 4 columns and several rows. how to use a list as a parameter for SQL Apr 12, 2023 · Here's an answer for you on how you can insert a record with Pyodbc without having to specify all 260 column names. num_prec_radix 11. Oct 31, 2018 · If you look at the documentation about pyodbc cursor objects, you'll find that each row has a set of attributes that correspond in name to the column names from your table. Dataframe , we convert the result set to a numpy array and then to a pandas dataframe using the column names we have. columns = [column[0] for column in cursor. Code to generate: import pyodbc conn = pyodbc. 1, load the results from pyodbc using pandas. 0 comments Jun 6, 2019 · I am trying to insert some data into a SQL Server database using the pyodbc module. Is there an easy way to get the column names for the provided SQL? May 5, 2021 · This gives a list of the table names in my database. parse_dates list or dict, default: None. saving the column names of a sql table as a list using pyodbc. While this doesn't come out of the box 1, it can be done pretty easily. COLUMNS WHERE TABLE_NAME = " + "'"+ tablename + "'" cursor. NET ExecuteScalar() method. Feb 7, 2015 · With pyodbc 4. columns(table='x'): print row. fetchall()) I'm writing a Python program that selects some data from a Microsoft Access mdb file using PyODBC. fetchall() Which is returned as a data tuple. Get the column names of a query from pyodbc? 0. , the query does not necessarily contain all columns of a table class). Before I used to (at the bottom you can find more real examples): columns = [column[0] for column in cursor. Mar 17, 2012 · Suppose I query a database like this : import adodbapi conn = adodbapi. fetchone, . column_name for col in curs. In SQL Server, this can be accomplished by using a query like. execute("select CompoundKey, Q1Mass, Q3Mass, [+veDP] AS posDP, CE from Conditions") Oct 7, 2019 · You're so close, you need to parse the dict values - create a function to parse the dict to an insert statement. data_type]) and the . fetchall() data = pandas. List of column names to parse as dates. connect(connStr) tablename = "[salesLT]. OleDb import OleDbSchemaGuid def getKeyNames(tableName, mdbname): conn = System. connect( #DATA BASE NAME IS HERE, HID FOR PRIVACY ) cursor = cnxn. Exec a select against SQLite database 2. For example, you want to know what schemas are available, the tables and views in each schema, the columns in each table or view and the type of data stored in each column, and the data relationships between tables. Jun 13, 2015 · You can get the columns from the cursor description: columns = [column[0] for column in cursor. Dec 11, 2015 · If you want to create a list of the column names, you can use list comprehension like this: column_names = [i[0] for i in cursor. The syntax I'm looking for is pretty much like the Java constr Jan 16, 2015 · I have a weird problem. columns. Thanks in advance for the insights. SQLAlchemy does not return all table names The most common way to have Access SQL deal with spaces and "funny characters" in object names is to use square brackets, e. 4. OleDbConnection() conn. table_name 4. [Customer]" cur = conn. The table dbo. GetSchema() functionallity. join([str(i) for i in _]) Nov 12, 2010 · In this query i select column_name,column_type and table_name for more details . Below is what I want the code to look like, obviously it does not work. #!/usr/bin/env python3 import psycopg2 if __name__ == '__main__': DSN = 'host=YOUR_DATABASE_HOST port=YOUR_DATABASE_PORT dbname=YOUR_DATABASE_NAME user=YOUR_DATABASE_USER' column_names = [] with psycopg2. 6 on macOS. city) to print the value of the "city" column. execute("select * from " + t) //t is the Oct 18, 2017 · Get MSSQL table column names using pyodbc in python. columns(table='InvUtil'): print (row. Try Teams for free Explore Teams Jan 17, 2020 · I have a database (Navision) with tons of tables and columns containing blank spaces. . fetchone() print(row. Viewed 748 times 0 . row_factory = sqlite3. result_set=cursor. columns c, sys. So mycursor is a list not a cursor object. import pyodbc import json connstr = 'DRIVER={SQL Server};SERVER=server;DATABASE=ServiceRequest; UID=SA;PWD=pwd' conn = pyodbc. sql = "Select * From tablename" data = pd. column_name) This gives me the correct column names in my table. columns('A')]) consistently produced an empty result, while pyodbc 4. 现在，我们可以使用pandas dataframe的columns属性来检索查询结果的列名，如下所示： column_names = df. remarks 13. I need to discover the column names of several different tables. connect(databasez) cursor = cnxn. But now I want to get the column information for those tables. The only way I can figure to make this work, is to write my own SQL parser logic to extract the selected column names. fetchall) as a Python dictionary? (Optional) Get a list of the column names returned from Nov 2, 2014 · I have a table in ms-access db, and I need to fetch just the column names of that table, into a list or a tuple. Aug 21, 2012 · I'm creating a unique id for each row in a table based on the values of certain column names. This question AFAIK, pyodbc simply uses the column names returned by the ODBC SQLDescribeCol function (or its SQLDescribeColW sibling) as the column names of the result set. 5 and v4. execute( """ INSERT INTO MySchema. 25, print([col. raw_connection() cursor = connection. db" def get_all_users( json_str = False ): conn = sqlite3. close() pyodbc get column names pyodbc get column names. connect() cursor = cnxn. As for how to pass in dynamic columns, can you store the col names in a list and send in Jun 20, 2012 · {'Name' : 'a', 'Age' : '20'} if the query specified in the execute() method of pyodbc object. DataFrame. PyODBC, cursor. columns(table='tablename'): print(row. pyodbc uses row. Try Teams for free Explore Teams Apr 10, 2019 · I am trying to get a specific value from an SQL table with pyodbc in Python. Feb 6, 2005 · after running curor. The link he provided includes all the columns it provides. For example, the code in your answer will work for Jan 6, 2020 · Note That, there's a difference in Columns name between the Excel file and the database sql The difference is there's no spaces in SQL Data-Base and there's Spaces in the Excel file Nov 13, 2015 · pypyodbc does not support column properties as pyodbc does, only a column collection that you can get by index or it's header name. cursor() for row in cursor. Feb 7, 2015 · The cursor. join() adds backslashes to my variable. describe, i see one of my column names as: a\x00r\x00e\x00n\x00a\x00_\x00m\x00e. data_type 6. While I have no database to test, I have a slight feeling that pyodbc doesn't actually follow the Python DB API 2. Of course, there was no documentation for the ancient MS-Access database. PyODBC + Pandas + Parameterization. I want to convert the string u'\u6573\u7373\u6f69\u496ed' into the string sessionId and the same with the rest of columns. attribute syntax, pypyodbc uses row["attribute"] syntax. 17 gallon air compressor husky. So I came across the OdbcConnection. This will prevent SQL injection AND allow you to have bona fide brackets in column names. May 18, 2020 · I am trying to get the mssql table column name and datatype using pyodbc Here is my code: def GetSQLTableFields(connDetails): cursor = conn. Its core language is database API independent (so the same interface for all widely used sql database such like MySQL, sqlite, cx_oracle, etc. May 8, 2024 · Extracting column names using the ‘pyodbc’ package: import pyodbc cnxn = pyodbc. Apr 29, 2006 · Hello !!! With recorset objects we have been using the data from our databases. keys() Second, you can access the cursor's field list, which I think is what you are really looking for: ColumnList = [d. fetchall() #FETCHES ALL ROWS cnxn. commit() cnxn. tech/p/recommended. name = tableName Jan 8, 2016 · You can avoid this by using some of pyodbc's built in methods. For example, print just [OD-Nr] or [OD-Title]. I needed to find out what was in it. Return single string from pypyodbc database query. type_name 7. DataFrame(l) print(df How can I add the columns names from sql query to pandas dataframe. connect("connection string") cursor = connection. 4. connect( DB ) conn. To exercise the bug, when I create table names with the following lengths (and sometimes other lengths) as such: Jan 8, 2016 · You can avoid this by using some of pyodbc's built in methods. 3. My code is below: import pyodbc serv Jan 8, 2018 · Today I got asked if you can index in to rows returned by ibm_db_dbi by column name. select column_name from information_schema. Here's some bog-standard Python code that executes a query and prints out each row: Aug 30, 2012 · I want to get all "table" names from a OdbcConnection, and for all "table" names I want to recieve all column names. columns() call intermittently fails to return the columns in a table. What you'll first have to do is manually create a list of all 260 column names and store it. How to put variable in `pyodbc` query? 0. – Mar 28, 2019 · For sqlite3, you can have it return the column names, which may be passed into your DataFrame constructor. 0. For example, instead of: query = "USE" + "[" +datasetname+ "]" + "SELECT COLUMN_NAME,* FROM INFORMATION_SCHEMA. ,. name FROM sys. Alternatively, you can set the row_factory parameter of the connection object to something that provides column names with the results. connection = sql_alchemy_engine. column_name) I see the following two columns that are in the InvUtil table: server. items()] You defined mycursor as a list of cursors. How to access them a pyodbc way (like row. description] then do with them whatever you'd like. SELECT `COLUMN_NAME`,COLUMN_TYPE,TABLE_NAME FROM `INFORMATION_SCHEMA`. I used pyodbc with python before but now I have installed it on a new machine ( win 8 64 bit, Python 2. fetchall()) Also you can get the columns data: rows = cursor. What i did to get the colums headers i. What steps will reproduce the problem? 1. The pandas df containing the new information is merged_df['Item'] Output pyodbc Cursor Results as Python Dictionary When working with databases in Python, the pyodbc library provides a convenient way to connect to various database management systems (DBMS) and execute SQL queries. for row in cursor. Python - Get value from field in Sql Server Statement. execute("select column_name from information_schema. format(columnName) cursor. How can I do it? Thanks by advance! I get those results using this code: Dec 5, 2021 · PYTHON : return column names from pyodbc execute() statement [ Gift : Animated Search Engine : https://www. Fortunately, pyodbc is able to provide this info, starting with a list of the names of all the tables. id), but I'd rather avoid aliases if possible. from_records: # get column names from pyodbc results columns = [column[0] for column in cursor. str. cursor() sql = 'create table if not exists tab1 (id integer primary key, entry varchar (200), exit varchar (200))' cursor Mar 16, 2017 · How do I use pyodbc to print the whole query result including the columns to a csv file? CODE: import pyodbc cnxn = pyodbc. cursor() for key, conn in connections. ConnectSQL(connDetails) cursor. `COLUMNS` WHERE `TABLE_SCHEMA`='yourdatabasename' order by DATA_TYPE; If you want to check only double type filed then you can do it easily Jun 2, 2015 · Use code from my answer here to build a list of dictionaries for the value of output['SRData'], then JSON encode the output dict as normal. Next, using pd. endswith(' for SQL Server')] if driver_names: driver_name = driver_names[0] if driver_name: conn_str = 'DRIVER={}; '. I wasn’t willing to pay for a license for MS-Access just to reverse engine the schema so I needed something else. nullable 12. (It is similar to the . I use order by column_type so i can see it easily. passes has 2 columns: ('user_name','password') with values ('test','5555'). connect(driver='{SQL Server}' ,server = 'server' ,database = 'db1' ,trusted_connection=True ,user='user') cursor=conn. If I try to put a table name that consists of more than one word I have to use quotes and it fails. connect(DSN) as connection: with connection. execute(query) DF = DataFrame(cursor. The column names are Phone_Number1 and Phone_Number2. For example, instead of: query = "USE" + "[" +datasetname+ "]" + "SELECT COLUMN_NAME,* FROM INFORMATION According to this answer PyODBC exposes this via a cursor method # columns in table x for row in cursor. I do not have prior knowledge of what's in the db, so this was my first attempt at researching the db contents and understanding what it contains. In your example query, you are fetching a single row, with a single column, so you can get that single value with cursor. sql_data_type 15. Aug 27, 2014 · cnxn = pyodbc. description] # Print the column names for name in column_names: print(name) Sep 1, 2024 · pyodbc allows you to easily connect Python applications to databases so you can execute SQL queries and perform all your standard database operations from within Python. Row # This enables Jun 9, 2016 · Here is solution using pythonnet and Oledb Jet driver. Jet. tables(): print row. like what DESC TABLE does in Oracle? Any Idea? I would really be thankful. Jan 4, 2020 · The following works as expected, however, I'm stuck on referencing the specific column names. Hi, i need to duplicate hive database structure to local mariadb/mysql database with this code to get column name and data type: for row in cursor. data_type. I can solve the column names by changing the decoding like: conn. I'm obtaining each column name used for the id from a config file. Apr 9, 2018 · You could use the pyodbc. I was able to convert the values into JSON also. tables t WHERE c. 0 fully, and that a single row is not a list of its columns. saving the column names of a sql table as a Nov 13, 2019 · sessionId, calle, timestamp and version are the column names of a SQL Server table. e "Name", "Age" is that i created a new table out of the select query and then used . Explore Teams Apr 20, 2020 · Get Table Names. 6 of pyodbc that I wasn't seeing before with v4. Row object. conn. column_name provided that the column names are legal Python identifiers. "nonexistent_column" forces sqlite into behaving more strictly. GetSchema("Tables"). execute May 5, 2019 · I was able to retrieve the column name and values separately. read_sql(sql,cnxn) This throws an error Dec 11, 2016 · It just seems that if a put a table name that is a single word without any quotes it works fine. column_size 8. name for d in cur. I manges to get all the table names by simply using connection. One difference I noticed is that the SQLColumnsW call produced by 4. Nov 23, 2017 · pyodbc allows us to reference values in a pyodbc. Row objects, which allows reference by column name. If you want to be safer, you'll need to also replace ] with ]] in your dynamic column names before wrapping them in square brackets. 5. format(driver_name) # then continue with May 21, 2019 · I am querying a SQL database and I want to use pandas to process the data. Get MSSQL table column names using pyodbc in python. MyTableId VALUES (?, ?); """, col1_value, col2_value, ) myTableId = cursor. fetchmany or . cursor() cursor. The following code lists the two columns in the table. 7 64 bit, PythonXY with Spyder). All I need is column names of the result table and assign it to a list = ['TXN_KEY','Send_Agent','Pay_Agent'] for row in cursor. html ] PYTHON : return co Aug 18, 2013 · I don't think it's possible to rename column with this statement. execute("SELECT * FROM my_table") columns = [column[0] for column in cursor. You can try row[0] or row. table_name EDIT: as OP specified using "Anaconda ODBC": As far as I know, there is no direct access to those data from PyWin32-odbc (as I think this is what Anacondas uses). Mar 18, 2021 · Get the column names of a query from pyodbc? 1. table_cat 2. Jan 13, 2019 · Using string formatting to insert column values into an SQL statement is a dangerous practice because it exposes your code to SQL Injection vulnerabilities. Sep 10, 2018 · As per the pyodbc documentation "Row objects are similar to tuples, but they also allow access to columns by name". Is it possible to retrieve the column names(ie, filed names out of a table), table names out of a database and so on. column_names = query. So it looks like best you can do it's just drop and recreate column: alter table table_name add column new_column_name column_type; alter table table_name drop column column_name; You can also copy data from old column to new one between these statements. MyTable (Col1, Col2) OUTPUT INSERTED. cursor() def findTablesWithNoPk(curs): """Takes an active cursor as an input and returns a list of the names of all tables with no Primary key""" noPkTbls = [] #using fetchall to free up the Oct 1, 2014 · Since you can't update to pandas 0. Jul 6, 2021 · Ask questions, find answers and collaborate at work with Stack Overflow for Teams. I did Something like this but it's not giving column as well as not a proper DataFrame. One common task when retrieving data from a database is to convert the result set into a more easily manipulable data structure, such […] May 31, 2022 · I have a list that has two phone numbers and I'd like to put each phone number into its own column in an Access database. Hope you guys can shed some light on this, it's stopped my projects in it's tracks, :( Mar 4, 2020 · select * from sys. 14. cursor() sql = "select * from %s Returning the asterisk is due to the SQL being sent in a literal asterisk with quotes around it. fetchall() df=pd. The SQL would eventually be external from the program. sql_datetime_sub 16. import pymssql import pandas Aug 25, 2016 · I am writing a function in python which should select columns from a table in the database with column names coming from a variable (list). for psycopg2, uses %(name)s so use params={‘name’ : ‘value’}. description] Dec 14, 2020 · I am trying to send a SQL request via Python, in order to query the table Message(DeviceID, CommunicationTime, Data), which is hosted on an Azure SQL database. I'm doing the following, but columns=columns doesn't work in my case. How can I pass a table name as a variable in SQL - Python 3. Short answer is that I ended up with the following solution:. SELECT c. Fully qualifying the name as "my_table". DataFrame(temp,columns=columns) and it would work Sep 14, 2021 · cnxn = pyobdc. I am able to do this with the column names hard coded: connection = pyodbc. The code below should show an example of what I am trying to do: I'm connecting to a Teradata database from Python 3. student_name (Assuming column index for student_name is 0) Jul 18, 2022 · Get MSSQL table column names using pyodbc in python. Tou need information about the data model configured in the database. setdecoding(pyodbc. The key component here is zip(row. Apr 29, 2014 · Using Cursor. Note that this does not preserve the order of primary keys as columns: import clr import System import System. Row c = conn. columns(schema='schemaname, table='tablename'): print([row. fetchall() l = [dict(i) for i in list_o_dict_like_rows] df = pd. column_name, row. In all cases rows are sequences of columns, for a one-column result that'll be a tuple with just one value in it. But I did not get it in "column_name: value" format. statement. Nov 9, 2017 · If you're using SQLAlchemy with an engine, then you can retrieve the PyODBC cursor like this before running the query and fetching the table ID. fetchmany() to process query result in batches returns a list of pyodbc. fetchone Jan 16, 2015 · import pyodbc #to connect to SQL Server sqlConnStr = ('DRIVER={SQL Server Native Client 11. object_id AND t. column_def 14. You can use the following Jul 20, 2010 · import sqlite3 import json DB = ". append(item['unites_lexicales']) or words. For example: column_names = ['column_name1', column_name2', ,'column_name259', 'column_name260'] I have a pyodbc object returned from a cursor. ConnectionString = ("Provider=Microsoft. cursor() c. drivers() method to retrieve the list of available drivers and then select the one you need, e. 2. ) So instead of doing something like May 31, 2016 · ALTER TABLE table_name ADD COLUMN (column1_name data_type(precision), column2_name data_type(precision), column3_name data_type(precision)); I would recommend to add all columns in one command as it might lock dictionary structures for a short time. Aug 31, 2020 · @thomasrutter Yeah I totally got bitten by this behavior… Tried to use WHERE "nonexistent_column" = 0 and sqlite just happily executed it pretending that my "nonexistent_column" was a string. cursor_description, row) used to get column names from pyodbc. 1. OleDb from System. driver_name = '' driver_names = [x for x in pyodbc. Attribute does not exist in "row", so you can access the value only using column id. connect(connstr) cursor = conn. table_schem 3. hows. columns 在这个示例中，我们将查询结果的列名存储在column_names变量中。我们可以使用这个变量来进一步处理查询结果。阅读更多：Pandas 教程 Jul 9, 2012 · Ask questions, find answers and collaborate at work with Stack Overflow for Teams. Aug 14, 2016 · Suppose I have the table users and I want to know what the column names are and what the types are for each column. Try to read the content of a column, by name 3. description] I am not familiar with cx_oracle as I don't use Oracle, so not sure how it's done with that or if there is a better tool for accessing Oracle from Jul 25, 2019 · mycursor=[conn. 26; OS: Windows 10; DB: Hadoop with HiveQL; driver: DSN Cloudera Hive Driver; Question. How can I find the indices for rows in my pyodbc object where column 3 The above output seems garbled and has a lot of unnecessary info. execute("select date, trans, symbol, qty_real, price_real from stocks") list_o_dict_like_rows = c. description] May 10, 2024 · Here’s an example of how to retrieve the column names: # Get the column names column_names = [column[0] for column in cursor. ordinal_position 18. buffer_length 9. It acts as a bridge between the two, unlocking seamless integration. tables- Get this into a variable or list and loop thru and run the below query --Filter out all of dates, and the id attributes metadata DECLARE @Table SYSNAME = 'ArrestInfo' -- REVERSE and STUFF used to remove trailing UNION in string SELECT REVERSE(STUFF(REVERSE((SELECT 'SELECT distinct ' + name + ', COUNT(DISTINCT Oct 17, 2016 · First, you can just access the dict's keys if you want the column list, this is basically like what you have, but shorter: ColumnList = temp[0]. connect(sqlConnStr) curs = conn. 0};Server=YourServer;Database=Test;'+ 'Trusted_Connection=YES') conn = pyodbc. Defining column aliases will allow you to differentiate columns by table. termss The rows returned from fetchall() behave like tuples but you can access columns by name as well. Dict of {column_name: format string} where format string is strftime compatible in case of parsing string times, or is one of (D, s, ns, ms, us) in case of parsing integer timestamps. execute("SELECT May 3, 2013 · Use this set to build a string representing column names to select from each table, aliasing each column by prefixing with a table name. There are some good examples here via the documentation . Eg. Jun 14, 2021 · pyodbc sql - invalid column name [duplicate] Ask Question Asked 3 years, 7 months ago. Aug 15, 2018 · Ask questions, find answers and collaborate at work with Stack Overflow for Teams. Strings I get from cursor. Execute select query and print values for comparison. Aug 18, 2020 · The pyodbc Cursor#columns method is documented in the pyodbc wiki:. We learned how to establish a connection to the database, create a cursor object to execute SQL queries, and fetch the results. e. def values_statement(lst): if lst: _ = [tuple([str(l). In this guide, we‘ll take an in-depth look at pyodbc. Data. Modified 3 years, 7 months ago. Aug 2, 2019 · pyodbc: 4. Below is my input and output. g. ) and pandas uses it as the default package to interact with sql database. column_name 5. cursor() result = cursor. description] temp = cursor. columns where table_name=xxx to get the column headers. execute? Thank you! Alex pyodbc definitely has the ability to return column names - see return column names from pyodbc execute() statement from SO, and the pyodbc docs. I have to interact with a third-party database, and some genius used for column name the word Português, as is, with the special character. connectstring = ('mssql+pyodbc:///?odbc To use Python and pyodbc to print out table column names, you can follow the steps below: Install the pyodbc library if you haven't already. Jul 15, 2022 · I want to Convert SQL query output to python DataFrame with the column name. execute( '''SELECT Column_One Jul 12, 2011 · Get MSSQL table column names using pyodbc in python. Mar 5, 2020 · I have found a lot of guides how to extract data from SQL, but none showing ability to operate as a dataframe and preserve column names. import pyodbc import pandas from pandas import Jun 21, 2023 · The files were created with the old method (source file, 10-character's file and field name, and detailled column-heading) In SQL from the emulator, I have an option to retrieve the column headings with the long name (Preferences / Results / column headings), so I think the jdbc driver can export them (I think it is allowed when checking Nov 6, 2018 · Get MSSQL table column names using pyodbc in python. How to use variables in SQL query when using Python and pyodbc. Each row has the following columns: 1. Take these examples of a SQL Server query that returns database names in batches of 5: Without generator Appreciate the response, Sean. 24 consistently returned the column name. Is there a way to do it, or I should not bother and instead of a list type column names directly into c. I use pyodbc to interact with the DB, and normally after querying I fetch each row as a dictionary by doing the following: Nov 24, 2015 · Get MSSQL table column names using pyodbc in python. description] df = pd. descriptions are left ones. is_nullable I am trying to update an SQL table where the column name and the actual are "unknown"/strings. replace("'", "") for l in ls. format(mdbname Jul 15, 2013 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. The problem is, that there are 1) obscure numbers and slashes, 2) part of the names is missing. My intent with this code was to extract table names and their associated column names for each table in a db. In that case a list doesn't have a description attribute. I know if I used an alias, it would be as simple as print(row. char_octet_length 17. Row object using the form row. I want sth. /the_database. May 21, 2012 · I'm assuming there's only one row in the result for the following example (built with help from comments here). 3. If the ODBC driver returns the same name for two different columns then practically speaking there may be nothing that pyodbc can do about that. In the following example the column names would be ext, totalsize, and filecount. 0;" "Data source={}". So, for example, we can do something like. execute(""" #COMMAND GOES HERE """) row = cursor. columns(table='result'): x = row. I have the connection string working. SQL_WMETADATA, encoding='utf-32') Oct 16, 2017 · Note for future readers: The pyodbc Cursor object has a fetchval method: The fetchval() convenience method returns the first column of the first row if there are results, otherwise it returns None. – I would recommend to use sqlalchemy. values()]) for ls in lst] return ','. description] Jun 24, 2022 · With the help of description we can access the column names and add them to a list. decimal_digits 10. append(item[0]) . from_records(rows, columns=columns) Dec 18, 2019 · Basically I pulled the table with pyodbc, merged it with external excel data to add this additional column, and now want to push the data back to the ms access table with the new column. Provide details and share your research! But avoid …. 24 was Jan 23, 2022 · You can use a variable like the one below to get the values for that column: from pandas import DataFrame import pyodbc columnName = "test1" query = "SELECT {} FROM testTable". I'm seeing strange column names when I use v4. cursor() as cursor: cursor. row = crsr. knmneam begbny enea cey hmsl dndqj spae vslujp lpph ivfrca wurmq ltxwv wtfc gtzwtl onyxz