Let’s look at how to query a pandas DataFrame with SQL using either a Jupyter notebook or Deepnote. Use cases for using SQL with pandas Pandas comes with many complex tabular data operations. And, since it exists in a Python environment, it can be coupled with lots of other powerful lib...
It should be mentioned that there is a tutorial on NoSQLBooster SQL Query for MongoDB in the lower left “Samples” pane. With this tutorial, you can learn and understand how to use NoSQLBooster SQL Query for MongoDB. Better yet, all SQL Functions provide the appropriate code snippets and...
With every database platform there is a command line tool that allows you to query the database. With SQL Server this tool is the SQLCMD executable and you can start it by typing “sqlcmd” at the command prompt. There are quite a few different options that you can specify when starting...
“Unable to enlist in the transaction” with Oracle linked server from MS SQL Server [<Name of Missing Index, sysname,>] in non clustered index [Execute SQL Task] Error: The value type (__ComObject) can only be converted to variables of type Object. [ODBC Driver Manager] Data source...
Microsoft SQL Server supports connections to other OLE DB data sources on a persistent or an ad hoc basis. The persistent connection is known as a linked server. An ad hoc connection, that is made for the sake of a single query, is known as a distributed query. ...
Query Google Analytics data using SQL Now, to make this query a bit more interesting, we might add in metrics like users and bounce rate. All doable with SQL, of course. Notice how you can define your own rules for things like “bounce” and “bounce rate”. ...
There are tons of ways to get the data from Excel worksheet. In this article I'm going to show You how to query Excel data using SQL in VBA.
Enter SQL macros! These enable you to create query templates. At parse time the database can swap in the names you pass for the tables and columns to form the query. With table SQL macros you can build a template based on your favourite comparison method. ...
Execute MySQL queries against live DB2 data from MySQL Workbench.You can use the SQL Gateway from the ODBC Driver for DB2 to query DB2 data through a MySQL interface. Follow the procedure below to start the MySQL remoting service of the SQL Gateway and work with live DB2 data in MySQL ...
You have learned three different joins within SQL, how to alias column and table names, use multiple joins in one query, and why you should avoid sub-queries. Never scramble around again trying to manually compile different data sets into one, and begin using joins to impress your work colle...