How do I get weekday in Teradata?

Posted on by Dominique Stacey

How do I get weekday in Teradata?

Computing the DAY of a week in Teradata

  1. select day_of_week from sys_calendar. calendar.
  2. where calendar_date = date ‘2003-05-01’;

How can I get yesterday date in Teradata?

Subtract days from Current Date in Teradata If we want to get the yesterday date from the current date, we need to subtract 1 day from it. On the other hand, we can use the Interval function to subtract the days from the current date.

How do you write a case statement in Teradata?

CASE Statement in Teradata

  1. SELECT column1,
  2. CASE column2.
  3. WHEN value1 THEN result1.
  4. WHEN value2 THEN result2.
  5. END.
  6. FROM table.

What is current date Teradata?

Introduction to Teradata Current Date. Teradata’s CURRENT_DATE returns the current date at the time of submission of the query. If in case the CURRENT_DATE is invoked more than once, then the same date is returned the times CURRENT_DATE is being invoked.

How do I change date format from YYYY MM DD in Teradata?

By default, For ANSI dates, Teradata follows the date format as YYYY-MM-DD, whereas for the integer dates, the default date format is YY/MM/DD….Introduction to Teradata Date Formats.

FORMAT Phrase Result
FORMAT ‘YY/MM/DD’ 20/01/02
FORMAT ‘DD-MM-YY’ 02/01/2020
FORMAT ‘YYYY/MM/DD’ 2020/01/02
FORMAT ‘YYYY-MM-DD’ 1985-12-29

How are dates written in Teradata?

Here the format is YYYY-MM-DD. To change the date format displayed above to an alternate form, change the SELECT to: SELECT name, dob (FORMAT ’99-99-99′)…BETWEEN for DATE types in Teradata

  1. SELECT name, dob.
  2. FROM employee.
  3. WHERE dob BETWEEN 980301.
  4. AND 990430.
  5. ORDER BY dob ;

How do I convert a string to a date in Teradata?

  1. Example 1: Convert date string which is not in irregular format SYNTAX: SELECT TO_DATE(‘1-Oct-19′,’DD-MON-YY’); OUTPUT: 2019-10-01.
  2. Example 2: Convert date string in DD-MM-YYYY format to date datatype SYNTAX: SELECT TO_DATE(‘1-12-2019′,’DD-MM-YYYY’) OUTPUT: 2019-12-01.

How do I cast in Teradata?

Syntax: SELECT CAST(column AS datatype[length])…CAST in Teradata

  1. SEL.
  2. CAST(‘SSSS’ AS CHAR(2)) AS truncation,
  3. CAST(333 AS CHAR(3)) AS num_to_char,
  4. CAST(122 AS INTEGER) AS Bigger,
  5. CAST(111.44 AS SMALLINT) AS whole_num,
  6. CAST(178.66 AS DECIMAL(3,0)) AS rounding;

What is the default date format in Teradata?

YYYY-MM-DD
By default, For ANSI dates, Teradata follows the date format as YYYY-MM-DD, whereas for the integer dates, the default date format is YY/MM/DD. A FORMAT function simply overrides the Date format of the session user and the system.

What is the date format in Teradata?

By default, For ANSI dates, Teradata follows the date format as YYYY-MM-DD, whereas for the integer dates, the default date format is YY/MM/DD.