The essay analyzes the fundamental reason behind slow SQL statements and provides the solution to make improvements through code samples. A full-table traversal is needed to group and summarize a data ...

This guide summarizes how to repair SQL database table without risking data loss. Get the best methods to repair table in SQL Server.

Use temp tables to improve cursor performance Use table-valued functions over scalar functions Use partitioning to avoid large data moves Use stored procedures for performance, use ORMs for ...

SQL window functions provide extremely powerful and useful features that let you work with observations more easily. Different types explained here.

The website offers free, paid and beta courses. The topics covered include SQL queries, table creation, and data management. Learn SQL by Codeacademy is a free and interactive platform that teaches ...