Php application for inserting updating and deleting record

Consider how much harder it would be to understand a notional audit trail on that table.There are some scenarios involving bulk updates of all the rows in a table where it is faster to create a new table using CTAS from the old table (applying the update in the the projection of the SELECT clause), dropping the old table and renaming the new table.This small tutorial uses a basic ODBC data connection defined in the form and then modifies it, via script, in order to be able to execute SQL statements which either insert, update or delete records from any table in the database for which the data connection was setup to work with.

That is, the result of reaching the beginning or end of the record set when opening the data connection must be to "stay" where you (the record set navigator) are when the SQL statement is one or more of "insert", "update" and "delete".DELETEs consume more UNDO space than UPDATEs, and your REDO contains twice as many statements as are necessary.Besides, it is plain wrong from a business point of view.The problem with using bindings to fields in order to modify records in a data connection is that you must set those fields to the values for the current record and then you have to use the data connection object scripting methods like "add New()", "update()" or "delete()".This can get really awkward if all you’re wanting to do is insert a new record, for instance, and just doesn’t cut it if you want to avoid having to load-in data when the form is opened (the only purpose for the data connection may be such that new records can be inserted or existing ones can be deleted yet displaying existing records is not required).

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The Display Data() method fills in the data in the Data Grid View.

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