What is the BFILE data type and how can you work with it? Learn all about the Oracle BFILE in this article.
Oracle SQL, and database development in general, contains a lot of terms and acronyms. It can be hard to understand different articles, books, and even concepts that are explained to you if you’re not sure what these terms and acronyms mean.
Have you gotten the “ORA-01400: cannot insert null into (string)” error? Learn what causes this and how to resolve it in this article.
Are you trying to write an INSERT INTO SELECT statement? Learn how to do it and see some examples in this article.
Have you gotten an “ORA-00972: identifier is too long” error? Learn what caused it and how to resolve it in this article.
Have you gotten an “ORA-00001 unique constraint violated” error? Learn what has caused it and how to resolve it in this article.
The SQL ORDER BY clause and functionality is an important part of a SELECT statement. Learn what it does and how to use it in this article.
Have you gotten an ORA-00609 error or ORA-609 error? Learn how to fix it and what the cause is in this article.
Have you gotten an “ORA-12154: TNS:could not resolve the connect identifier specified” error? Learn what causes it and how to resolve it in this article.
What is the difference between WHERE and HAVING clause in SQL? Learn what they are and the differences in this article.