How to Find Update Time In Oracle?

To find the update time in Oracle, you can use the following query:

SELECT last_ddl_time FROM user_objects WHERE object_name = 'your_table_name';

This query will return the last time the specified table was updated. You can replace 'your_table_name' with the name of the table you want to check. This information can be useful for tracking when changes were made to a table in the database.

How to find the last time a column was updated in Oracle?

You can find the last time a column was updated in Oracle by querying the last_analyzed column in the user_tab_columns view. This column stores the date and time when the statistics for the column were last updated, which is typically done when the column is updated.

Here is an example query to find the last time the column "column_name" was updated in a table named "table_name":

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SELECT LAST_ANALYZED
FROM USER_TAB_COLUMNS
WHERE TABLE_NAME = 'table_name'
AND COLUMN_NAME = 'column_name';

This query will return the date and time when the column was last updated.

How to determine the last time a table was updated in Oracle?

In Oracle, you can determine the last time a table was updated by checking the last DML (Data Manipulation Language) operation timestamp using the system columns in the table.

One way to do this is by querying the ALL_TAB_MODIFICATIONS data dictionary view. This view contains statistics about modifications to tables for monitoring purpose.

Here is an example query to determine the last time a table was updated:

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SELECT table_name, insert_timestamp, update_timestamp, delete_timestamp
FROM ALL_TAB_MODIFICATIONS
WHERE table_name = 'your_table_name';

This query will return the timestamps of the last INSERT, UPDATE, and DELETE operations on the specified table.

Alternatively, you can also use the ORA_ROWSCN pseudo-column to determine the timestamp of the last update on a row. However, please note that ORA_ROWSCN is not always accurate, especially for tables that have undergone a large number of updates.

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SELECT SCN_TO_TIMESTAMP(ORA_ROWSCN) AS last_update_timestamp
FROM your_table_name
WHERE rownum = 1
ORDER BY ORA_ROWSCN DESC;

Keep in mind that these methods will only give you an approximation of the last update time and may not be completely accurate in all scenarios.

How to view the last updated time of a row in Oracle?

In Oracle, you can view the last updated time of a row by using the following query:

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SELECT SCN_TO_TIMESTAMP(ORA_ROWSCN) AS last_updated_time
FROM your_table_name
WHERE your_condition;

Replace your_table_name with the name of your table and your_condition with the condition to identify the specific row you want to retrieve the last updated time for.

This query uses the ORA_ROWSCN pseudocolumn, which contains the system change number (SCN) of the most recent change to a row. The SCN_TO_TIMESTAMP function is then used to convert this SCN value to a timestamp representing the last updated time of the row.

How to determine the last update time of a column in Oracle?

To determine the last update time of a column in Oracle, you can use the following query:

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SELECT owner, table_name, column_name, last_ddl_time
FROM all_tab_columns
WHERE table_name = 'your_table_name'
AND column_name = 'your_column_name';

This query will retrieve the last DDL (Data Definition Language) time for the specified column in the specified table. The last_ddl_time column in the all_tab_columns view stores the timestamp of the last time the column was modified.

How to see the timestamp of the last update in Oracle?

You can use the following query to see the timestamp of the last update in Oracle:

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SELECT SCN_TO_TIMESTAMP(MAX(ora_rowscn)) AS last_update_timestamp
FROM your_table_name;

Replace your_table_name with the actual name of the table you want to check. This query will return the timestamp of the last update made to the specified table.

What is the method to see the timestamp of the most recent update in Oracle?

One way to see the timestamp of the most recent update in an Oracle database is to query the last_ddl_time column in the all_objects view.

You can use the following SQL query to get the timestamp of the most recent update:

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SELECT object_name, last_ddl_time
FROM all_objects
WHERE last_ddl_time = (
    SELECT MAX(last_ddl_time)
    FROM all_objects
);

This query will return the name of the object that was most recently updated and the timestamp of the update.