Fujitsu UDS/SQL V2.5 用户手册
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:
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.
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
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.
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.
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.
within a database configuration.
literal
must be enclosed in quotation marks (if QUOTE IS
SINGLE, in apostrophes; see the "
SINGLE, in apostrophes; see the "
" 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
in the TYPE clause (see
, TYPE clause).
mask-string
see page
IN
OF
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