Links
• Home
• Oracle DBA Forum
Frequent Oracle Errors
•TNS:could not resolve the connect identifier specified
•Backtrace message unwound by exceptions
•invalid identifier
•PL/SQL compilation error
•internal error
•missing expression
•table or view does not exist
•end-of-file on communication channel
•TNS:listener unknown in connect descriptor
•insufficient privileges
•PL/SQL: numeric or value error string
•TNS:protocol adapter error
•ORACLE not available
•target host or object does not exist
•invalid number
•unable to allocate string bytes of shared memory
•resource busy and acquire with NOWAIT specified
•error occurred at recursive SQL level string
•ORACLE initialization or shutdown in progress
•archiver error. Connect internal only, until freed
•snapshot too old
•unable to extend temp segment by string in tablespace
•Credential retrieval failed
•missing or invalid option
•invalid username/password; logon denied
•unable to create INITIAL extent for segment
•out of process memory when trying to allocate string bytes
•shared memory realm does not exist
•cannot insert NULL
•TNS:unable to connect to destination
•remote database not found'>ora-02019
•exception encountered: core dump
•inconsistent datatypes
•no data found
•TNS:operation timed out
•PL/SQL: could not find program
•existing state of packages has been discarded
•maximum number of processes exceeded
•error signaled in parallel query server
•ORACLE instance terminated. Disconnection forced
•TNS:packet writer failure
•see ORA-12699
•missing right parenthesis
•name is already used by an existing object
•cannot identify/lock data file
•invalid file operation
•quoted string not properly terminated
Select from dual return 3 rows !

Select from dual return 3 rows !

2005-11-08       - By Jared Still

Reply:     1     2     3     4     5     6     7     8     9     10     >>  

On 11/8/05, Rudy Zung <Rudy.Zung@(protected)> wrote:
>
> DUAL, when you really come down to it, is really just a table into which
> Oracle defaults with just a single record. However, because it is just a
> simple table, additional records can be inserted into it, as you have just
> discovered.
>

That is version dependent.

At least as far back as 8.1.7.4 <http://8.1.7.4>, there can
be only one row in sys.dual.

Try it.


--
Jared Still
Certifiable Oracle DBA and Part Time Perl Evangelist

On 11/8/05, <b class="gmail_sendername">Rudy Zung</b> &lt;<a href="mailto:Rudy
.Zung@(protected)">Rudy.Zung@(protected)</a>&gt; wrote:<div><span class="gmail_quote"><
/span><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204
, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">





<div><span><font color="#0000ff" face="Arial" size="2">DUAL,
when you really come down to it, is really just a table into which Oracle
defaults with just a single record. However, because it is just a simple table,
additional records can be inserted into it, as you have just
discovered.</font></span></div>
<div><span><font color="#0000ff" face="Arial" size="2"></font></span>&nbsp;<
/div></blockquote></div><br>
That is version dependent.<br>
<br>
At least as far back as <a href="http://8.1.7.4">8.1.7.4</a>, there can<br>
be only one row in sys.dual.<br>
<br>
Try it.<br><br clear="all"><br>-- <br>Jared Still<br>Certifiable Oracle DBA and
Part Time Perl Evangelist<br>