Database Reference
In-Depth Information
FuNCTIoN
DESCrIPTIoN
FORMAT(<
value
>,
<
format_string
>)
Converts a value to text according to
the specified format.
LEFT(<
text
>, <
num_chars
>)
Returns the specified number of
characters from the start of a text
string.
LEN(<
text
>)
Returns the number of characters in a
text string.
LOWER(<
text
>)
Converts all letters in a text string to
lowercase.
MID(<
text
>, <
start_num
>,
<
num_chars
>)
Returns a string of characters from
the middle of a text string, given a
starting position and length.
REPLACE(<
old_text
>,
<
start_num
>, <
num_chars
>,
<
new_text
>)
REPLACE
replaces part of a text string,
based on the number of characters
you specify, with a different text
string.
REPT(<
text
>, <
num_times
>)
Repeats text a given number of times.
RIGHT(<
text
>, <
num_chars
>)
RIGHT
returns the last character or
characters in a text string, based on
the number of characters you specify.
SEARCH(<
search_text
>,
<
within_text
>, <
start_num
>,
<
NotFoundValue
>)
Returns the number of the charac-
ter at which a specific character or
text string is first found, reading left
to right.
SEARCH
is case-sensitive.
start_num
and
NotFoundValue
are
optional.
SUBSTITUTE(<
text
>, <
old_text
>,
<
new_text
>, <
instance_num
>)
Replaces existing text with new text
in a text string.
TRIM(<
text
>)
Removes all spaces from text except
for single spaces between words.
UPPER (<
text
>)
Converts a text string to all uppercase
letters.
VALUE(<
text
>)
Converts a text string that represents
a number to a number.
Predefined Numeric Formats for the ForMAT Function
Numeric formats, as shown in Table B-8, are used in the format function for
formatting numbers.