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In the course of my practical tuning work, I came across a category of queries that are very difficult to optimize. These are queries with independent and not very selective search criteria across two (or more) tables.

A typical example is an address search using a person's name and place of ...

Since data record changes in blocks are first logged in the redo log files and not written directly to the database, there must come a time when the changed blocks are transferred from the database buffer cache to the database. Since the block addresses of the changed blocks are in the dirty list ...

To keep our website or blog up to date and with interesting content, a good option is to turn to professional experts so that we can outsource content and have constant, quality production.

More and more companies are opting to outsource content, in order to free themselves from this task and focus ...

In this post, we are going to explain how Content Marketing for hotels is an effective, economical and long-lasting tool to increase reservations.

In many cases, companies in the hotel sector feel that even though they are doing “digital marketing” , their actions are not having a sustainable ...

As you know, at Wild Wind Marketing we are experts in Content Marketing and we wanted to share a little of that knowledge with you with the free ebook: Designing a Content Marketing Strategy from Scratch .

The ebook we share with you presents in a very synthetic way some of the concepts about the ...

It's time to plan how and what the emails you will send in your Email Marketing campaigns will be about.

We are talking about users who expect useful things in exchange for their time . They don't want to read about you or about things that are of no use to them. Focus your email marketing ...

One of the most useful blog post ideas is to talk about product or service updates .

The general rule in content marketing is that the majority of your content cannot be about your products or services , or your business in general. You must focus first on your audience, their concerns, interests ...

Based on the experiment, we can confirm that the new memory management strategy in the 12c driver definitely opens up new opportunities for performance improvement. Nevertheless, there are a few things to keep in mind:

There is no point in configuring bulgaria telegram screening unnecessarily high ...

XQuery is a fully typed functional programming language. As such, it is elegant, but for a programmer who only knows imperative languages, it takes some getting used to. Writing extensive programs in XQuery requires intellectual discipline. The result is extremely compact code that is difficult to ...

Row Level Security is used to control access to data that needs to be protected by filtering individual data records. Let's take a customer management system as an example. We want to restrict access to different customer groups so that two sales employees can only see their customer groups ...