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Select an incorrect statement regarding the following SQL statement. Note that "user_view" is a view. CREATE OR REPLACE RULE rule_1 AS ON UPDATE TO user_view DO INSTEAD NOTHING;
Suggested Answer: B
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27 comments · newest first
LU
Lucina
10 months ago
'DROP RULE' will definitely delete that rule!
DI
Diane
11 months ago
Nope, it doesn't update the underlying table.
AN
Andree
11 months ago
Wait, does that mean no errors on UPDATE? Sounds off.
SA
Salina
11 months ago
Totally agree, it replaces the existing rule too.
PE
Penney
11 months ago
It's defining a rule 'rule_1'.
ON
Onita
12 months ago
I remember that option A is definitely correct because it clearly states that a rule is being defined, but I’m a bit confused about option E and how it relates to dropping rules.
CL
Claribel
12 months ago
I practiced a similar question where we had to identify incorrect statements about rules, and I feel like option B is definitely true since "CREATE OR REPLACE" suggests it will replace an existing rule.
AN
Annamaria
12 months ago
I'm not sure about option D; it sounds like it could be correct since views usually reflect the underlying table, but I'm not entirely confident.
GA
Gabriele
1 year ago
I think option C might be the incorrect statement because I remember that rules can prevent errors but don't necessarily stop them completely.
TH
Thea
1 year ago
I'm not totally sure about this one. I'll make my best guess, but I may need to come back to it if I'm still unsure.
JA
Jackie
1 year ago
I've seen this type of question before. The trick is to focus on what the rule is actually doing - it's preventing updates to the view, not the underlying table.
WA
Wava
1 year ago
Okay, let me think this through step-by-step. The rule is defining a behavior for updates to the view, so I'll need to consider how that impacts the data.
RE
Remedios
1 year ago
Hmm, I'm a bit confused by this one. I'll need to review the details on SQL rules and views to figure this out.
IL
Iluminada
1 year ago
I'm pretty confident I know the correct answer here. The key is understanding what a rule does in SQL.
GL
Glenn
1 year ago
Option B seems to be the correct answer. The 'CREATE OR REPLACE RULE' statement will replace the existing 'rule_1' if it already exists.
AL
Alline
1 year ago
C) Executing 'UPDATE user_view' will no longer output errors.
GE
Geraldo
1 year ago
User: Option B seems to be the correct answer.
JA
Jamal
1 year ago
B) It will replace 'rule_1' if it already exists.
YA
Yaeko
1 year ago
A) It is defining a rule 'rule_1.'
FE
Felicia
1 year ago
Wow, this question is really testing our SQL knowledge! I guess the developers who wrote this exam are trying to keep us on our toes. *chuckles*
KA
Katie
1 year ago
User 2: I think the incorrect statement is C) Executing 'UPDATE user_view' will no longer output errors.
LE
Lenna
1 year ago
User 1: Yeah, this question is definitely challenging.
TA
Tatum
1 year ago
I think option C is the incorrect statement. Executing 'UPDATE user_view' will still output errors if the update operation is not permitted on the underlying table.
CY
Cyndy
1 year ago
Option D is incorrect. When 'UPDATE user_view' is executed, the data is not updated in the table that is the origin of the view. The update is instead suppressed by the INSTEAD NOTHING rule.
JU
Juliann
2 years ago
But doesn't the SQL statement specify 'DO INSTEAD NOTHING'? That means no data will be updated, right?
VA
Val
2 years ago
I disagree, I believe the correct answer is D.
JU
Juliann
2 years ago
I think the correct answer is C.