If you work with databases in any way, a knowledge of SQL will be increasingly important, and The Complete 2021 SQL Master Class Bundle can show you the ins and outs of how it works.

2. Author SQL statements & clauses Once you understand the structure and building blocks of a database, it’s time to learn to extract the information you need using SQL queries.

They each start out with their own work, process it, and eventually put it into a SQL database.<BR><BR>Unfortunately, its not easy to predict how long each work load will take, so the distribution ...

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 ...

SQL server will allow zero-length strings without issue, as long as your datatype supports it. Just assign the string value of ('') and you're done, no headaches.