From ER diagrams to advanced SQL queries, mastering database design unlocks the ability to turn raw data into actionable insights. Practical labs, real-world projects, and optimization techniques help ...

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While data warehouses and cloud-native architectures have grown rapidly, business users are still finding it difficult to reach enterprise data. Even as dashboards and query tools become easier to use ...

SQL Server 2016 lets you treat JSON objects like rows in a table, allowing you to use data from AJAX queries in joins, updates and any other SQL statement you can think of. SQL Server 2016 provides ...

Here’s an image for you. There is no such thing as a data lake. The multi-petabyte storage racks nearly overflowing with unstructured and semi-structured data that are being built by hyperscalers, ...

Hortonworks says the latest version of its Hadoop platform will allow users to extract information from petabyte-scale datasets far more rapidly and simply. Hortonworks Data Platform 2.2, due for ...

Microsoft has just added support for query hints to Azure SQL Database, giving database administrators a powerful tool to manage the performance of ISV application code. Here's how it works. Database ...

This is an attempt at making a slightly dynamic query to modify in bulk a CMDB at work. Using SQL Server 2008. I'm trying to update a column with a specific value. I want the table, the column and the ...

Here's a look at different ways to query Hadoop via SQL, some of which are part of the latest edition of MapR's Hadoop distribution SQL: old and busted. Hadoop: new hotness. That’s the conventional ...

Microsoft's Excel software is an indispensable tool for small businesses because of its flexibility and the ease with which you can set up spreadsheets. Though you can use it to manage files ...