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>PDO_OCI DSN</H1
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><P
> (no version information, might be only in CVS)</P
>PDO_OCI DSN -- Connecting to Oracle databases</DIV
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><H2
>说明</H2
><P
> The PDO_OCI Data Source Name (DSN) is composed of the following elements:
<P
></P
><DIV
CLASS="variablelist"
><DL
><DT
>DSN prefix</DT
><DD
><P
> The DSN prefix is <KBD
CLASS="userinput"
>oci:</KBD
>.
</P
></DD
><DT
><TT
CLASS="constant"
><B
>dbname</B
></TT
> (Oracle Instant Client)</DT
><DD
><P
> The URI for the Oracle Instant Client connection takes the form of
<KBD
CLASS="userinput"
>dbname=//<CODE
CLASS="varname"
>hostname</CODE
>:<CODE
CLASS="varname"
>port-number</CODE
>/<CODE
CLASS="varname"
>database</CODE
></KBD
>.
If you are connecting to a database defined in
<TT
CLASS="filename"
>tnsnames.ora</TT
>, use only the name of the database:
<KBD
CLASS="userinput"
>dbname=<CODE
CLASS="varname"
>database</CODE
></KBD
>.
</P
></DD
><DT
><TT
CLASS="constant"
><B
>charset</B
></TT
></DT
><DD
><P
> The client-side character set for the current environment handle.
</P
></DD
></DL
></DIV
>
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><H2
>范例</H2
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>例 1. PDO_OCI DSN examples</B
></P
><P
> The following examples show a PDO_OCI DSN for connecting to
Oracle databases:
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>// Connect to a database defined in tnsnames.ora
oci:dbname=mydb
// Connect using the Oracle Instant Client
oci:dbname=//localhost:1521/mydb</PRE
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