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Oracle LIKE operator.

Oracle condition LIKE allows to use wildcards which will be used in WHERE operator in SELECT, INSERT, UPDATE or DELETE queries. This allows comparison…

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Oracle NOT operator.

The Oracle NOT condition (also called NOT operator) is used to negate the condition in SELECT, INSERT, UPDATE or DELETE sentences….

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Oracle AND and OR combination of conditions.

Oracle AND and OR conditions can be combined in SELECT, INSERT, UPDATE or DELETE operators.

When combining these conditions, it is important to use …

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Oracle OR condition.

The Oracle OR condition (also called the OR statement) is used to check several conditions in which records are returned when a particular condition i…

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MySQL 8.0. Security; support for two passwords.

Reflecting on security in MySQL installation, you can consider a wide range of possible procedures/recommendations and their impact on the security of…

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