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Oracle Packages.

    In Oracle Packages a set of elements: procedures, functions, type definitions; declarations of variables, constants can be combined into a package.

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    Oracle declare cursor.

      ищге The cursor is certain operator SELECT which is declared in PLSQL code. Let’s consider three different syntaxes of the cursor declaration….

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      Oracle WITH operator.

      The Oracle PL/SQL operator WITH allows you to give a subquery block a name/allowable that can be referenced in several places in the main SQL query.

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      Install PostgreSQL 12 on Windows 10 for beginners.

      You  will study in detail the process of installing PostgreSQL 12 on Windows 10.

      In addition, we will also install and configure pgAdmin 4, which…

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      Oracle CLOSE operator.

        CLOSE operator – The final step in working with cursors is closing the cursor after you have finished using it….

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