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python Programming Glossary: sqlPython Numpy Very Large Matrices http://stackoverflow.com/questions/1053928/python-numpy-very-large-matrices fast my 5 year old laptop can crunch through data doing SQL like GROUP BY aggregation at 1 000 000 rows second. Not bad..
To make a plan for my first MySQL project http://stackoverflow.com/questions/1168701/to-make-a-plan-for-my-first-mysql-project make a plan for my first MySQL project I need to complete the plan of a ask a question site.. to improve a ERD diagram to SHA1 hash you password in a MySQL database by Python to have a revision history for the questions.. cookies URL to get info about my Uni's servers to improve SQL queries to write SQL queries in DDL correctly to prevent to..
How can I profile a SQLAlchemy powered application? http://stackoverflow.com/questions/1171166/how-can-i-profile-a-sqlalchemy-powered-application can I profile a SQLAlchemy powered application Does anyone have experience profiling.. Does anyone have experience profiling a Python SQLAlchemy app And what are the best way to find bottlenecks and.. Python application where the database layer is handled by SQLAlchemy. The application uses a batch design so a lot of database..
PyLint, PyChecker or PyFlakes? [closed] http://stackoverflow.com/questions/1428872/pylint-pychecker-or-pyflakes it. If you don't want your code to run e.g it performs a SQL query that's bad. PyFlakes is supposed to be lite. Indeed it..
Django equivalent for count and group by http://stackoverflow.com/questions/327807/django-equivalent-for-count-and-group-by count just the count of items for each category so in SQL it would be as simple as this select category_id count id from.. an equivalent of doing this the Django way Or is plain SQL the only option I am familiar with the count method in Django..
Converting string into datetime http://stackoverflow.com/questions/466345/converting-string-into-datetime Edit This is going through Django's ORM so I can't use SQL to do the conversion on insert. python django datetime share..
Using only the DB part of Django http://stackoverflow.com/questions/579511/using-only-the-db-part-of-django project. Ultimately it probably isn't worth your time. SQL Alchemy is a relatively well known Python ORM which is actually.. need to dig into their source to find out how to do it. SQL Alchemy's connection management system is documented in the..
Python: pretty-printing ascii tables? http://stackoverflow.com/questions/5909873/python-pretty-printing-ascii-tables little function I wrote for displaying the results from SQL queries I can only make over a SOAP API. It expects an input..
http://stackoverflow.com/questions/7933596/django-dynamic-model-fields Options that have been pre emptively discarded Custom SQL to modify tables on the fly. Partly because this won't scale.. it's too much of a hack. Schema less solutions like NoSQL. I have nothing against them but they're still not a good fit... but that is probably not what you want . This is a PostgreSQL backend which makes use of hstore module. With it you can have..
http://stackoverflow.com/questions/84340/why-learn-perl-python-ruby-if-the-company-is-using-c-c-sharp-or-java-as-the Sure your final project must be in C# Java Transact SQL but instead of cutting and pasting 100 times finding errors.. it there going forward. So even though we are a C# and SQL Server shop I used Python to convert the data into the format.. a text file and create the Java C# code with the enums. SQL is a whole other ball game but often you get better performance..
What do I need to read Microsoft Access databases using Python? http://stackoverflow.com/questions/853370/what-do-i-need-to-read-microsoft-access-databases-using-python How can I access Microsoft Access databases in Python With SQL I'd prefere a solution that works with Linux but I could also..
How to use variables in SQL statement in Python? http://stackoverflow.com/questions/902408/how-to-use-variables-in-sql-statement-in-python to use variables in SQL statement in Python Ok so I'm not that experienced in Python...
django - convert a list back to a queryset http://stackoverflow.com/questions/1058135/django-convert-a-list-back-to-a-queryset queryset back is if you can get all of your logic into the sql queries. When that is not possible I think you need to denormalize..
http://stackoverflow.com/questions/1394998/parsing-sql-with-python an ODBC driver. This is probably a lot of work. python sql parsing pyparsing share improve this question I have looked.. I have looked into this issue quite extensively. Python sqlparse is a non validating parser which is not really what you.. need a lot of work to convert to a nice ast in python. The sql standard grammers are here but it would be a full times jobs..
Using a WHERE ___ IN ___ statement http://stackoverflow.com/questions/14245396/using-a-where-in-statement c.execute statement 'foo' 'bar' The error I am getting is sqlite3.ProgrammingError Incorrect number of bindings supplied... FROM tab WHERE obj IN ' ' ' .join statement ' python sql sqlite share improve this question You need to create enough.. FROM tab WHERE obj IN ' ' ' .join statement ' python sql sqlite share improve this question You need to create enough..
Lost connection to MySQL server during query http://stackoverflow.com/questions/1884859/lost-connection-to-mysql-server-during-query cursorclass MySQLdb.cursors.SSCursor def query self sql try cursor self.conn.cursor cursor.execute sql except AttributeError.. query self sql try cursor self.conn.cursor cursor.execute sql except AttributeError MySQLdb.OperationalError self.connect.. self.connect cursor self.conn.cursor cursor.execute sql return cursor # # db DB sql SELECT bla FROM foo data db.query..
python list in sql query as parameter http://stackoverflow.com/questions/283645/python-list-in-sql-query-as-parameter list in sql query as parameter I have a python list say l l 1 5 8 I want.. I have a python list say l l 1 5 8 I want to write a sql query to get the data for all the elements of the list say select.. where id IN THE LIST l How do i accomlish this python sql share improve this question Answers so far have been templating..
Getting the SQL from a Django QuerySet http://stackoverflow.com/questions/3748295/getting-the-sql-from-a-django-queryset are going to the database. Thanks for your help. python sql django django queryset share improve this question You print..
Python: Maximum recursion depth exceeded http://stackoverflow.com/questions/8177073/python-maximum-recursion-depth-exceeded I have the following recursion code at each node I call sql query to get the nodes belong to the parent node. here is the.. object at 0x879776c ignored Method that I call to get sql results def returnCategoryQuery query variables cursor db.cursor..
How to use variables in SQL statement in Python? http://stackoverflow.com/questions/902408/how-to-use-variables-in-sql-statement-in-python python including them as part of the query text python sql share improve this question cursor.execute INSERT INTO table..
convert list to string to insert into my sql in one row in python scrapy http://stackoverflow.com/questions/9061565/convert-list-to-string-to-insert-into-my-sql-in-one-row-in-python-scrapy list to string to insert into my sql in one row in python scrapy I want to convert a list object.. into a string and insert this string as one row in mysql database. Can someone please provide a solution to this. My.. response sites hxs.select ' ul li' for site in sites con mysqldb.connect host localhost user dreamriks passwd dreamriks..
Use Django ORM as standalone [duplicate] http://stackoverflow.com/questions/937742/use-django-orm-as-standalone import settings settings.configure DATABASE_ENGINE postgresql_psycopg2 DATABASE_HOST localhost DATABASE_NAME dbName DATABASE_USER.. regarding command line arguments. . python django postgresql orm share improve this question Ah ok I figured it out and.. import settings settings.configure DATABASE_ENGINE postgresql_psycopg2 DATABASE_NAME myDatabase DATABASE_USER myUsername DATABASE_PASSWORD..
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