Wendy Calderon articles - 7 total
SQL: Timestamps
The TIMESTAMP data type holds values that contain both date and time, fixed at 19 characters. The for...
SQL: Union Operator
In our previous SQL posts we learned how to combine tables using the Join clause to produce results...
SQL: Outer Joins
In our second part of learning how to work with the SQL Join clause, we will focus on the Outer Joins...
SQL: Inner Join
In SQL we have various powerful clauses that make managing databases possible, but one that usually b...
Why learning SQL is so relevant to Developers
The importance of SQL as a tech skill for developers.
Scratch: Not just for kids!
Scratch explained.
binary: what? why? how?
A quick guide to learn how to convert from decimal to binary and viceversa