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Encryption of stored data in MySQL 8.

MySQL 5.7.11 introduced transparent encryption for InnoDB table space, which included support for table space files. Later, encryption for the shared …

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Oracle: rights and access to the database.

    Immediately after the creation of users in the database, the need to manage their access to various data objects arises. For example, an employee of t…

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    PostgreSQL sum function.

    PostgreSQL sum function returns the cumulative value of the expression….

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    There are five basic steps you may take to improve database performance.

    Most programs have database access as a standard feature. Simple database performance tweaking appears to be able to considerably speed up at least 80…

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    PostgreSQL CREATE TABLE AS statement

    PostgreSQL CREATE TABLE AS statement is used to create a table from an existing table by copying columns of an existing table.

    It is important to no…

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