May 2012
Intermediate to advanced
440 pages
9h 1m
English
Content preview from Oracle Advanced PL/SQL Developer Professional GuideBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Practice exercise
- Which of the following features are not available in SQL Developer?
- Query builder
- Database export and import
- Database backup and recovery functions
- Code Subversion repository
- For a function to be called from the SQL expression, which of the following conditions should it obey:
- A function in the
SELECTstatement should not contain DML statements. - The function should return a value.
- A function in the
UPDATEorDELETEstatement should not query the same table. - A function called from SQL expressions cannot contain the TCL (
COMMITorROLLBACK) command or the DDL (CREATEorALTER) command.
- A function in the
- The following query is executed in the
ORADEVschema:SELECT NAME, referenced_owner, referenced_name FROM all_dependencies WHERE owner = USER AND referenced_type ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.