Eduardo Santana, Author at Bufallos from Oracle

Meet the fascinating concept of Enterprise Service Bus

I once wrote an article about SOA where I described the kind of perfect scenario to use your concept. I

Once I was doing an integration between two distinct banks: MySQL and PostgreSQL. During work it was very common for

If you have the need to have the average value of an expression in a query, the right thing is

Have you ever seen yourself in a situation where you end up building a giant query, doing UNIONs with other

Every time we think about a business as a corporate environment, composed of several niches in the same environment (HR,

You may have already had the need to join / combine the result of two or more queries into the

If you have the need to compare results between two or more queries in the database, there is an ORACLE

When you work with the database, it is very common for you to have to analyze queries made in the

If you need to transform a DATE or NUMBER into a STRING, the function that ORACLE provides is TO_CHAR. Much like

Do you know when you are querying the database and need to transform a STRING into a DATA format? Well,