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Added overview about group, analytical, and hierarchical queries

In SQL added Overview of group, analytical, and hierarchical queries.

Some examples helps understand it quickly.

Try to solve it.

Category: News
Last Updated: 08 August 2022
Hits: 157

Site description

Welcome to new version of Economist24.ru

Imroved style and perfomance.

Now site have topics about:

1) Training examples for Oracle exams 1z0-071, 1z0-149 and some materials about Oracle Database;

2) VBA connection info to Oracle Database and some materials about VBA and Excel;

3) Info about accounting entries and rules with examples (according to Federal Law about Accounting in Russian Federation №402).

Category: News
Last Updated: 06 August 2022
Hits: 110

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  • Added overview about group, analytical, and hierarchical queries
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