Last time, I discussed how to get PowerShell and SQLPS up and running on your machines. And much like my dog chasing its tail, you're probably asking yourself, "Now that I have it, what do I do with ...
Whether you’re just getting in to programming or you’ve avoided learning SQL, it’s something every developer faces eventually. You may not be responsible for building and maintaining a database, but ...
Now that you understand the basic structure of a SQL application, let's dissect the basis of information retrieval: the query. For many techies, especially those that focus on systems administration, ...
Do you want to find out how to avoid duplicates in the results of a SQL SELECT query? This article will show you how. Simply use the DISTINCT clause and between the SELECT clause and the fields.
RIGHT JOIN (or RIGHT OUTER JOIN): It’s the opposite of a LEFT JOIN. It keeps all rows from the right table and matches from the left. Less common than LEFT JOIN, but good to know it exists.
SQL is about as easy as it gets in the world of programming, and yet its learning curve is still steep enough to prevent many people from interacting with relational databases. Salesforce’s AI ...
I am trying to retrieve all rows with the largest value in a particular column. The largest value could return many rows for a particular users. Here is what I have thus far. In the above example, the ...
Make C# (part of .Net SDK) understand ODBC (refer to the box ‘ODBC’) Install ODBC drivers called MyODBC for MySQL We have used the final release of the .Net SDK ...
A query-expression is one or more table-expressions. Multiple table expressions are linked by set operators. The following figure illustrates the relationship between table-expressions and ...
The beauty and joy of a relational database is the concept of relational closure—everything is a table. Beyond the eponymous table, query results are also “tables.” Any query serves as a table to be ...
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