VALUES(115,'Jane','Doe','example.I had something similar, and here's (an edited) version of what I ended up using successfully: The following statements create a table named empl_temp and populate it with employee details: To_char(n, '9.9EEEE') "Scientific Notation", The following statement converts the input numbers as per the format specified in the TO_CHAR function: To_char(n, '9.9EEEE') "Scientific Notation" The following statement displays the input numbers as per the format specified in the TO_CHAR function: The following statement extracts the datetime fields specified in the EXTRACT function from the input datetime expressions: To_char(d, 'iw-iyyy') "ISO Year and Week of Year", SELECT timestamp' 23:44:32' d FROM dual union The following statement converts date and timestamp values to the format specified in the TO_CHAR function: To_char(d, 'iw-iyyy') "ISO Year and Week of Year" To_char(d, 'dd-mm-yyyy') "Day-Month-Year", The following statement converts date values to the format specified in the TO_CHAR function: Using TO_CHAR to Format Dates and Numbers: Example The following example converts an interval literal into a text literal: SELECT TO_CHAR(INTERVAL '123-2' YEAR(3) TO MONTH) FROM DUAL TO_CHAR(tsltz_col, 'DD-MON-YYYY HH24:MI:SSxFF') AS tsltz_col TO_CHAR(tstz_col, 'DD-MON-YYYY HH24:MI:SSxFF TZH:TZM') AS tstz_col SELECT TO_CHAR(ts_col, 'DD-MON-YYYY HH24:MI:SSxFF') AS ts_col, TO_CHAR(tsltz_col, 'DD-MON-YYYY HH24:MI:SSxFF') AS tsltz SELECT TO_CHAR(ts_col, 'DD-MON-YYYY HH24:MI:SSxFF') AS ts_date, The result for a TIMESTAMP WITH LOCAL TIME ZONE column is sensitive to session time zone, whereas the results for the TIMESTAMP and TIMESTAMP WITH TIME ZONE columns are not sensitive to session time zone: The example shows the results of applying TO_CHAR to different TIMESTAMP data types. Tsltz_col TIMESTAMP WITH LOCAL TIME ZONE, The following example uses this table: CREATE TABLE date_tab ( If you omit 'nlsparam', then this function uses the default date language for your session. The 'nlsparam' argument specifies the language in which month and day names and abbreviations are returned. Refer to " Format Models" for information on datetime formats. Interval values are converted to the numeric representation of the interval literal. TIMESTAMP WITH TIME ZONE values are converted to values in the default timestamp with time zone format. TIMESTAMP and TIMESTAMP WITH LOCAL TIME ZONE values are converted to values in the default timestamp format. If you omit fmt, then date is converted to a VARCHAR2 value as follows:ĭATE values are converted to values in the default date format. TO_CHAR (datetime) converts a datetime or interval value of DATE, TIMESTAMP, TIMESTAMP WITH TIME ZONE, TIMESTAMP WITH LOCAL TIME ZONE, INTERVAL DAY TO SECOND, or INTERVAL YEAR TO MONTH data type to a value of VARCHAR2 data type in the format specified by the date format fmt.
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