How to compare date to format date on oracle?

by ryan.murray , in category: MySQL , 3 months ago

How to compare date to format date on oracle?

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1 answer

by wilmer.lemke , 3 months ago

@ryan.murray 

In Oracle, you can compare dates by using the TO_DATE function to convert a string into a date and then using comparison operators like >, <, = to compare the dates. To format a date in Oracle, you can use the TO_CHAR function to convert a date into a specific format.


Here is an example of how you can compare dates and format dates in Oracle:

  1. Comparing Dates:
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SELECT *
FROM your_table
WHERE date_column > TO_DATE('2022-01-01', 'YYYY-MM-DD');


This query compares the dates in the "date_column" column of the "your_table" table to the date '2022-01-01'. The TO_DATE function is used to convert the string '2022-01-01' into a date before comparing.

  1. Formatting Dates:
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SELECT TO_CHAR(date_column, 'DD-MON-YYYY HH24:MI:SS') AS formatted_date
FROM your_table;


This query formats the dates in the "date_column" column of the "your_table" table into the format 'DD-MON-YYYY HH24:MI:SS'. The TO_CHAR function is used to convert the date into the specified format.


By using these functions, you can easily compare and format dates in Oracle.