Questions tagged [oracle]

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Eleonora Eleonora Mon Oct 07 2024 | 5 answers 1360

What is /*+ in Oracle?

Can you please clarify what the /*+ */ syntax represents in the context of Oracle database management systems? Is it a specific command, a hint for the optimizer, or perhaps something else entirely? I'm particularly interested in understanding its purpose, how it's used, and any potential implications for query performance or overall database health. Thank you for your time and expertise in addressing this query.

What is /*+ in Oracle?
noah_wright_author noah_wright_author Sun Oct 06 2024 | 6 answers 1632

Can we avoid index by using hint in Oracle?

Can someone please clarify if it's actually possible to avoid the use of an index in Oracle by employing a hint? I understand that hints are typically used to influence the optimizer's choice of execution plan, but I'm wondering if there's a specific hint that can explicitly instruct the optimizer to ignore an existing index during query execution. If so, could you please elaborate on what that hint might be and how it works? Also, are there any potential drawbacks or limitations to using such a hint, and how does it impact query performance? Thank you in advance for your insights.

Can we avoid index by using hint in Oracle?
EthereumEliteGuard EthereumEliteGuard Sat Oct 05 2024 | 5 answers 1172

How to use hint in Oracle query?

Could you please elaborate on how to effectively utilize hints in an Oracle query? I'm particularly interested in understanding the different types of hints available and how they can be implemented to optimize query performance. Are there any best practices or guidelines to follow when using hints? Additionally, could you discuss potential risks or drawbacks associated with their usage? Thank you for your assistance.

How to use hint in Oracle query?
noah_wright_author noah_wright_author Sat Oct 05 2024 | 6 answers 1164

Is APEX owned by Oracle?

Could you please clarify the ownership structure of APEX? Specifically, is there any direct or indirect ownership by Oracle Corporation? I'm interested in understanding the corporate links and potential partnerships between these two entities, as they both seem to be influential players in their respective fields. Your insights would be greatly appreciated.

Is APEX owned by Oracle?
Maria Maria Thu Oct 03 2024 | 7 answers 1805

What is the ordered hint in Oracle?

Can you please clarify what you mean by "ordered hint in Oracle"? Are you referring to a specific SQL hint that Oracle database provides to optimize query performance, perhaps related to the order in which operations are executed? If so, there are various hints available in Oracle that can be used to influence the optimizer's choices, but none that are specifically named as "ordered hint." Instead, hints like "/*+ LEADING */" can be used to suggest a specific join order to the optimizer. Is this what you were referring to, or were you asking about something else entirely?

What is the ordered hint in Oracle?

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