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Oracle 1Z0-084 Exam - Topic 3 Question 17 Discussion

Actual exam question for Oracle's 1Z0-084 exam
Question #: 17
Topic #: 3
[All 1Z0-084 Questions]

Examine these statements and output:

What parameter change activates the generation and use of SQL Plan Directives7

Show Suggested Answer Hide Answer
Suggested Answer: E

The optimizer_adaptive_statistics parameter, when set to TRUE, enables the optimizer to use adaptive statistics, such as SQL Plan Directives, to help improve plans by automatically adjusting them based on the actual execution statistics.


Oracle Database SQL Tuning Guide, 19c

by Anabel at Aug 28, 2024, 07:23 PM

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Davida
5 months ago
I don't know, C seems like it could be relevant too.
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Pearlene
5 months ago
Totally agree with A, it's the right parameter for this.
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Pa
5 months ago
Wait, are we sure about that? I thought it was D!
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Lemuel
6 months ago
I think it's actually B. Baselines are key for directives.
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Gary
6 months ago
It's definitely A! That's the version that supports it.
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Chantay
6 months ago
I thought optimizer_capture_sql_plan_baselines was crucial for this, but I could be mixing it up with something else I studied.
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Ollie
6 months ago
I have a vague memory that optimizer_adaptive_plans could be related, but I don't know if it directly activates SQL Plan Directives.
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Lelia
6 months ago
I remember practicing a similar question, and I feel like optimizer_features_enable was mentioned a lot, but I can't recall if it's the right one here.
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Annabelle
7 months ago
I think the answer might be B, but I'm not entirely sure if that's the only parameter needed for SQL Plan Directives.
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Herminia
7 months ago
I'm feeling pretty confident about this one. Based on my understanding, the parameter that activates SQL Plan Directives is optimizer_adaptive_statistics.
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Tawna
7 months ago
Okay, I think I've got this. The key is to identify which parameter specifically enables the generation and use of SQL Plan Directives. Let me re-read the question and options closely.
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Loren
7 months ago
Hmm, I'm a bit confused by the options here. I'll need to refresh my memory on the different optimizer settings and how they impact SQL plan generation.
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Lorita
7 months ago
This looks like a tricky Oracle SQL question. I'll need to carefully review the options and think through the purpose of SQL Plan Directives.
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Latrice
7 months ago
I'm not entirely sure about this one. I'll need to think it through step-by-step and make sure I understand the relationship between the optimizer settings and SQL Plan Directives.
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Carolynn
7 months ago
Okay, I think I've got this. The residual trend is the part of the total trend that's not explained by changes in provider reimbursement. That makes option B sound right to me.
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Hui
2 years ago
Seriously, SQL Plan Directives? Sounds like a job for the database police.
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Catrice
2 years ago
I'm all about those adaptive plans. Let's get that optimizer working overtime!
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Lisandra
2 years ago
True, both D) optimizer_adaptive_plans=TRUE and E) optimizer_adaptive_statistics = TRUE are important for optimizing SQL Plan Directives.
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Pamella
2 years ago
But don't forget about E) optimizer_adaptive_statistics = TRUE, that also plays a role in activating SQL Plan Directives.
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Shaun
2 years ago
I agree, optimizer_adaptive_plans=TRUE is the correct parameter change for that.
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Filiberto
2 years ago
I think the parameter change that activates the generation and use of SQL Plan Directives is D) optimizer_adaptive_plans=TRUE
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Lilli
2 years ago
C'mon, who doesn't love a good dynamic sampling? That's the way to go, folks!
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Kimberely
2 years ago
I always make sure to enable optimizer_dynamic_sampling.
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Ronnie
2 years ago
I agree, it's a game changer for sure.
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Zachary
2 years ago
Dynamic sampling is definitely the way to go!
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Rhea
2 years ago
E) optimizer_adaptive_statistics = TRUE
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Octavio
2 years ago
D) optimizer_adaptive_plans=TRUE
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Avery
2 years ago
C) optimizer_dynamic_sampling=11
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Tambra
2 years ago
B) optimizer_capture_sql_plan_baselines_TRUE
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Natalie
2 years ago
A) optimizer_features_enable=12.2.0.1
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Marla
2 years ago
I see your point, Millie, but I still think D) optimizer_adaptive_plans=TRUE is the best choice.
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Millie
2 years ago
I'm not sure, but I think E) optimizer_adaptive_statistics = TRUE could also activate SQL Plan Directives.
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Melodie
2 years ago
I agree with Marla, optimizer_adaptive_plans=TRUE makes sense for SQL Plan Directives.
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Marla
2 years ago
I think the correct answer is D) optimizer_adaptive_plans=TRUE.
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