For a school project we are forced to have redundant information and update it by using triggers. We have a table called \'recipe_ratings\' that contains a \'rating\' (numbers 0-100). In our \'recipes
Simple one. I´m a bit of a newvbie with PLSql and oracle\'s error messages are never too helpful. I want to do a simple trigger to update a column with the current date i.e. \'modified date\' column
How do you delete rows from a table, where a column contains a substring, but the type of that column is \'Long\'. (Yes, I开发者_如何学Go know I shouldn\'t use Long, but I\'m maintaining someone else\
My tables: TableA (id number, state number) TableB (id number, tableAId number, state number) TableC (id number, tableBId number, state number)
Can someone help me correct the Trigger below? I am assigned this problem but my technical skill is limited.
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