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Re: Use of '&' as table prefix in query

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On 7/12/21 11:25 AM, Rich Shepard wrote:
Long ago I wrote a query which was greatly improved (i.e., it actually
worked as intended) by help here):

/* This query selects all activity information for a named person */

SELECT p.lname, p.fname, p.loc_nbr, p.job_title, p.direct_phone, p.active,
       o.org_name,
       l.loc_nbr, l.loc_name,
       a.act_date, a.act_type, a.notes, a.next_contact
FROM People AS p
     JOIN Organizations AS o ON o.org_nbr = p.org_nbr
     JOIN Locations AS l ON l.org_nbr = o.org_nbr and l.loc_nbr = p.loc_nbr
     JOIN Activities AS a ON a.person_nbr = p.person_nbr
WHERE p.lname = &p.lname AND p.fname = &p.fname;

These look like value substitutions, usually done on the client at it sends the sql.  How is this sql getting to the server (presumably after substitution).





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