Why is the language developers and DBAs use to organize data such a mess? Here are 13 reasons we wish we could quit SQL, even though we probably won't. For all its popularity and success, SQL is a ...

Imagine this: you’re in the middle of a critical project, flipping through pages of hastily scribbled notes or scrolling endlessly through a digital mess, trying to find that one important detail.

Abstract: With the development of web application, the demand of query performance and expansion becomes increasingly necessary. Relational database seems hardly handling with this, more and more ...

For the same task, the code of esProc SPL is simpler and easier to understand than SQL. Next, let's try how to integrate esProc in applications and simplify these complex SQL statements. Download ...

A nested table is one table placed inside of another, where the larger table functions as a container for the smaller one. Nested tables are a way for you to organize objects, such as images or text, ...

Prior to the introduction of the ColumnarToRow in Spark 3.0.0, columnar data was converted into Spark's internal rows using generated code that copies data from ColumnBatch vectors to an internal row.

When working with address data, you may encounter situations where you need to merge multiple columns, such as address, town, and postcode, into a single column. Power Query makes this task a breeze.

Ask ChatGPT basic questions about SQL, such as “What is SQL?” or “What are the key components of SQL?” to get a foundational understanding of its purpose and structure. Gain insights into data types, ...

Read this SQL tutorial to learn when to use SELECT, JOIN, subselects and UNION to access multiple tables with a single statement. It’s sometimes difficult to know which SQL syntax to use when ...