postgresqlHow do I use the PostgreSQL to_char function?
The PostgreSQL to_char
function is used to convert a timestamp or number into a string. The syntax of the to_char
function is as follows:
to_char(value, format)
Where value
is the timestamp or number to be converted and format
is the format to use for the conversion.
For example, to convert a timestamp to a string with the format of 'DD-MON-YYYY' you would use the following:
SELECT to_char(current_timestamp, 'DD-MON-YYYY');
Which would output something like:
19-JAN-2021
The format
argument can contain a wide variety of elements, including:
YYYY
: 4-digit yearMM
: 2-digit monthDD
: 2-digit dayHH24
: 24-hour formatMI
: MinuteSS
: Second
For a full list of available elements, see the PostgreSQL documentation.
The to_char
function is very useful when working with timestamps and numbers, allowing them to be easily converted into strings for display or other purposes.
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