How know when an Oracle table has been updated last time?

I want to find when the last INSERT, UPDATE, or DELETE statement is executed on a table (for now, in the future, I want to do it in several tables) in an Oracle database.

I created a table and then I updated one of its lines. Now, I have the following code:

SELECT ORA_ROWSCN * FROM test_table;

SELECT SCN_TO_TIMESTAMP (ora_rowscn) in test_table;

Copy the following code, show timestamps of each row, but from the point where they were created. The line I've updated, have the same time other stamps. Why?

Can someone help me please?

Wrong forum!

As the forum title suggests, this forum is for SQL Developer questions and your question has NOTHING to do with this tool.

Please mark this question ANSWER and repost it in the forum Sql and Pl/Sql

SQL and PL/SQL

Before repost you I suggest you read the ORA_ROWSCN Oracle documentation.

http://docs.Oracle.com/CD/B28359_01/server.111/b28286/pseudocolumns007.htm

Copy the following code, show timestamps of each row, but from the point where they were created.

No - this isn't what he does this last link doc treats:

For each line, ORA_ROWSCN returns the number of change of system (SNA) conservative upper limit of the most recent change to the line.

If the value will be updated if a line in a block is changed.

The line I've updated, have the same time other stamps. Why?

The default is to BLOCK, not the level of the line level - there is only ONE value for the block. If a block contains 100 lines, they appear to have the same value, the value for the block.

For tables defined with ROWDEPENDENCIES values are actually stored for each line.

The * views _TAB_MODIFICATIONS will show you the last time a table has changed SINCE the statistics were collected.

https://docs.Oracle.com/CD/B28359_01/server.111/b28320/statviews_2095.htm

If you need more help or explanation post a new thread in the right forum.

Tags: Database

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