table structure:
----------------
col1 col2
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01-mar-2012 11:12:46 01-mar-2012 11:12:10
01-mar-2012 11:12:46 01-mar-2012 11:11:23
Write a query to display the result as shown below:
col1 col2
----- -----
01-mar-2012 11:12:46 01-mar-2012 11:12:10
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Practice 1: Changes to data will only be allowed on tables during normal office hours of 8.45 in the morning until 5.30 in the afternoon, MONDAY through FRIDAY. A. Create a procedure called SECURE_DML that prevents the DML statement from executing outside of normal office hours, returning the message: “you may only make changes during normal office hours” b. Create a statement trigger on the PRODUCT table which calls the above procedure. c. Test it by inserting a new record in the PRODUCT table.
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