How to Get Age In Years,Months And Days Using Oracle?

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To get age in years, months, and days using Oracle, you can use a combination of functions to calculate the difference between the birthdate and the current date. You can use the MONTHS_BETWEEN function to get the difference in months, and then use the TRUNC function to get the integer value of that difference.

Next, you can use the EXTRACT function to extract the year and month values from the remaining difference. Finally, you can calculate the number of days by subtracting the calculated years and months from the original difference in months, and use the EXTRACT function again to get the remaining days.

By combining these functions, you can accurately calculate the age in years, months, and days using Oracle.

How to calculate age in years, months, and days using Oracle?

You can calculate age in years, months, and days by using the following query in Oracle:

SELECT FLOOR(MONTHS_BETWEEN(SYSDATE, birth_date) / 12) as age_years, MOD(MONTHS_BETWEEN(SYSDATE, birth_date), 12) as age_months, (SYSDATE - ADD_MONTHS(birth_date, FLOOR(MONTHS_BETWEEN(SYSDATE, birth_date)))) as age_days FROM your_table_name

In this query, replace birth_date with the date of birth column in your table and your_table_name with the actual name of the table. This query will calculate the age of each person in the table in years, months, and days.

What is the function to calculate the age in months, weeks, and days using Oracle?

Here is a function in Oracle PL/SQL that calculates a person's age in months, weeks, and days:

CREATE OR REPLACE FUNCTION calculate_age( birth_date IN DATE ) RETURN VARCHAR2 IS v_months NUMBER; v_weeks NUMBER; v_days NUMBER; BEGIN SELECT FLOOR(MONTHS_BETWEEN(SYSDATE, birth_date)) INTO v_months FROM DUAL; v_weeks := ROUND((SYSDATE - ADD_MONTHS(birth_date, v_months)) / 7); v_days := MOD((SYSDATE - ADD_MONTHS(birth_date, v_months)), 7);

RETURN v\_months || ' months, ' || v\_weeks || ' weeks, ' || v\_days || ' days';

END; /

-- Example of using the function SELECT calculate_age(TO_DATE('1990-01-01', 'YYYY-MM-DD')) AS age FROM DUAL;

You can call this function with a birth date as input to get the person's age in months, weeks, and days.

What is the function to extract the day from a date in Oracle?

The function to extract the day from a date in Oracle is the TO_CHAR function with the format model DD.

For example, to extract the day from a date column named my_date_column in a table named my_table, you would use the following SQL query:

SELECT TO_CHAR(my_date_column, 'DD') AS day FROM my_table;

This query will return the day of the month as a number for each date in the my_date_column.