I have to design a SQL query on an Oracle 10 DB. I want to do it in an elegant way and avoid, if possible, using sub-queries and in the most portable way possible. Basically it's query involving 3 ...
Through the many changes in IT over the years, one constant has always been a concern for performance. With database systems there is especially true. Even with the many advances in relational ...
SAN FRANCISCO--(BUSINESS WIRE)--Upsolver, the company dedicated to making data in motion accessible to every data practitioner, today announced the general availability of SQLake. The new service ...
A common SQL habit is to use SELECT * on a query, because it’s tedious to list all the columns you need. Plus, sometimes those columns may change over time, so why not just do things the easy way? But ...