General syntax rules Reference section
234 U929-J-Z125-9-76
General syntax rules
variable
must be replaced by a current value when applying the format. Four categories of
variables can be distinguished:
Comment
is indicated by * in column 7. The text in columns 8 through 72 is then recognized
as a comment by UDS/SQL.
Semicolon
may optionally be used as separator between clauses.
Variable Current value
schema-name
subschema-name
realm-name
set-name
record-name
record-element-name
group-item-name
vector-name
item-name
identifier
hashroutine
must begin with a letter and may consist of up to 30
characters. The characters used may include letters, digits
and hyphens. One hyphen must not follow another it must
not be the last character. The current value must not be
identical to optional word or keywords.
record-element-name, group-item-name, vector-name and
item-name must be unique within the record type only.
By specifying
record-name
the user can also refer to names which have already been
assigned.
All other names must be unique within the entire database.
The first 6 characters of subschema-name must be unique
within a database configuration.
literal
must be enclosed in quotation marks (if QUOTE IS
SINGLE, in apostrophes; see the "Creation and Restruc-
turing" manual, Schema DDL compilation).
They are not part of the value of the literal.
integer
consists of up to 15 digits. The minus sign is also permitted
in the TYPE clause (see page 236, TYPE clause).
mask-string see page “Defining an item” on page 55
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