Question about default

So, here's a practical question, I got horribly wrong:

image.png

Now, I answered A under the assumption that the default NUMBER is not nullable (the answer is (B). However, it makes sense for the data types different have a similar defect. My question is are the NULLABLE defaults for my columns in this case?

Thank you.

Columns in Oracle have NO values by default unless you give them one and are nullablel, unless you say otherwise.

None of the columns are NOT NULL and there is only ONE line where PAY_RATE is greater than 20.

While a SINGLE line will be updated. The only other line has NULL for PAY_RATE and a comparison with the NULL value will not match the predicate.

Tags: Database

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    Thanks                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        

    Although audit_sys_operations is false, some actions are audited by default in 11g. See also DBA_AUDIT_TRAIL.
    (1) you can't turn it off
    (2) TERMINAL CLIENT is empty, it means that the connection of the server itself. In your example someone logged on locally as "/ as sysdba".
    (3) audit_file_dest is instance specific. You can put each in their own directory or put them all in a share. If the files are very small, according to the activity of DB there could be millions of them. In my environment remove us periodically as they age (more than 3 months).

  • Question about the API

    Dear all,

    I have a question about getting this line of code to the JSF API.
    FacesContext facesCtx = FacesContext.getCurrentInstance();
    Locale defaultLocale = facesCtx.getApplication().getDefaultLocale();
    I don't know what locale will be this line give me?
    My hypothesis is that, this returns the locale of the server in which the application has been deployed?

    Currently, it returns the locale of my current computer. But I would like to know, what happens if I deploy
    This in another computer to another region?
    Can anyone confirm my doubts please? Thank you

    getDefaultLocale returns the locale by default in the form of installation in the config.



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