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>PREPARE</H1
><DIV
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><A
NAME="AEN46221"
></A
><H2
>Name</H2
>PREPARE -- prepare a statement for execution</DIV
><DIV
CLASS="REFSYNOPSISDIV"
><A
NAME="AEN46224"
></A
><H2
>Synopsis</H2
><PRE
CLASS="SYNOPSIS"
>PREPARE <TT
CLASS="REPLACEABLE"
><I
>name</I
></TT
> FROM <TT
CLASS="REPLACEABLE"
><I
>string</I
></TT
></PRE
></DIV
><DIV
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><A
NAME="AEN46228"
></A
><H2
>Description</H2
><P
> <TT
CLASS="COMMAND"
>PREPARE</TT
> prepares a statement dynamically
specified as a string for execution. This is different from the
direct SQL statement <A
HREF="sql-prepare.html"
>PREPARE</A
>, which can also
be used in embedded programs. The <A
HREF="sql-execute.html"
>EXECUTE</A
>
command is used to execute either kind of prepared statement.
</P
></DIV
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></A
><H2
>Parameters</H2
><P
></P
><DIV
CLASS="VARIABLELIST"
><DL
><DT
><TT
CLASS="REPLACEABLE"
><I
>prepared_name</I
></TT
></DT
><DD
><P
> An identifier for the prepared query.
</P
></DD
><DT
><TT
CLASS="REPLACEABLE"
><I
>string</I
></TT
></DT
><DD
><P
> A literal C string or a host variable containing a preparable
statement, one of the SELECT, INSERT, UPDATE, or
DELETE.
</P
></DD
></DL
></DIV
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><DIV
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><A
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></A
><H2
>Examples</H2
><PRE
CLASS="PROGRAMLISTING"
>char *stmt = "SELECT * FROM test1 WHERE a = ? AND b = ?";
EXEC SQL ALLOCATE DESCRIPTOR outdesc;
EXEC SQL PREPARE foo FROM :stmt;
EXEC SQL EXECUTE foo USING SQL DESCRIPTOR indesc INTO SQL DESCRIPTOR outdesc;</PRE
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><H2
>Compatibility</H2
><P
> <TT
CLASS="COMMAND"
>PREPARE</TT
> is specified in the SQL standard.
</P
></DIV
><DIV
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><A
NAME="AEN46254"
></A
><H2
>See Also</H2
><A
HREF="sql-execute.html"
>EXECUTE</A
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