SQL in just 20 minutes.
- 26 September 2022
- Machine learningManuals
Every self-respecting web developer should know SQL.
Although it has existed since the 70s of last century, it is still very widely used, and wit…
Oracle NEXT_DAY function.
Oracle/PLSQL NEXT_DAY function returns the first day of the week that is larger than date….
Oracle LAST_DAY function.
Oracle/PLSQL LAST_DAY function returns the last day of the month based on the date value….
10 useful tips for writing SQL queries.
- 22 September 2022
- Database Performance ManagementMachine learning
Today I want to talk about the simple things that will help novice SQL programmers more correctly, thoughtfully and simply make the logic of their que…
Oracle Comments.
Did you know that you can put comments into SQL statements in Oracle? Comments can appear in one line or be distributed over several lines. Let’s see …
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