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
- Internal LOBs can be used as attributes of a user-defined data type.
- True
- False
- Internal LOBs cannot be passed as parameters to PL/SQL subprograms.
- True
- False
- Internal LOBs can be stored in a tablespace that is different from the tablespace that stores the table containing the LOB column.
- True
- False
- You issue the following command to create a table called
LOB_STORE:CREATE TABLE lob_store (lob_id NUMBER(3), photo BLOB DEFAULT EMPTY_CLOB(), cv CLOB DEFAULT NULL, ext_file BFILE DEFAULT NULL) /
Identify the issue in the above script.
- The table is created successfully.
- It generates an error because a BLOB column cannot be initialized with
EMPTY_CLOB(). - It generates an error because
DEFAULTcannot be set toNULLfor a CLOB column during table creation. ...
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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.