The MySQL SELECT statement controls which columns and values appear in query results, making it one of the most important commands for working with database tables. This lesson covers selecting all ...
12d
[Database Series 07] Understand Indexes! Why the Same SQL Can Have Vastly Different Search Speeds
The theme for this session is database "indexes".Indexes are one of the technologies you absolutely must understand when ...
Using default values on database columns helps to insulate database design issues from application code. Find out how to change a column’s default value at a later date using a single command. This ...
Organizations need databases that can meet increasing demands for data storage and accommodate data variety efficiently. Column-oriented databases fit this description. Columnar databases are a type ...
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