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Diffstat (limited to 'src/man/delete.l')
| -rw-r--r-- | src/man/delete.l | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/src/man/delete.l b/src/man/delete.l new file mode 100644 index 00000000000..fa3b254d4bd --- /dev/null +++ b/src/man/delete.l @@ -0,0 +1,37 @@ +.\" This is -*-nroff-*- +.\" XXX standard disclaimer belongs here.... +.\" $Header: /cvsroot/pgsql/src/man/Attic/delete.l,v 1.1 1996/11/14 10:16:29 scrappy Exp $ +.TH DELETE SQL 11/05/95 Postgres95 Postgres95 +.SH NAME +delete \(em delete instances from a class +.SH SYNOPSIS +.nf +\fBdelete\fR \fBfrom\fR class_name [ \fBwhere\fR qual ] +.fi +.SH DESCRIPTION +.BR Delete +removes instances which satisfy the qualification, +.IR qual +from the specified class. +If the qualification is absent, the effect is to delete all instances +in the class. The result is a valid, but empty class. +.PP +You must have write access to the class in order to modify it, as well +as read access to any class whose values are read in the qualification +(see +.IR "change acl" (l). +.SH EXAMPLE +.nf +-- +--Remove all employees who make over $30,000 +-- +delete from emp where emp.sal > 30000 +.fi +.nf +-- +--Clear the hobbies class +-- +delete from hobbies +.fi +.SH "SEE ALSO" +drop(l). |