Smaller vendors offering alternatives cash in concerns Analysis  Recent research suggests customers are concerned about the ...

Key Takeaways Interviews for data analysts test technical and business understanding.Practicing real examples helps you ...

Excel offers a robust set of tools to import data from various external sources, making it a versatile, lightweight database solution. You can move data from a CSV or TXT file, specify the character ...

The ShardingSphere SQL parser engine helps users to parse SQL to create the AST (Abstract Syntax Tree) and visit the AST to get SQLStatement (Java Object). Currently, we are planning to enhance the ...

SQL injection attacks are common & costly, but IT Leaders can prevent them in a few ways. Here's how to protect against sql injection attacks and examples.

Read this SQL tutorial to learn when to use SELECT, JOIN, subselects and UNION to access multiple tables with a single statement.

Do you want to find out how to avoid duplicates in the results of a SQL SELECT query? This article will show you how. To avoid duplicate results: Simply use the DISTINCT clause and between the SELECT ...

As one composes SQL Select statements, the author may use another query in place of any table or view. Even individual columns may be replaced with queries of varying complexity—if the result fits in ...