Create Triggers Triggers happen when the database are fired. In Oracle, procedural SQL is called a PL/SQL Block. PL stands for procedural language. When an INSERT, UPDATE, DELETE happen on a table.

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If your business uses relational databases to store data, it helps to use the SQL SELECT command with the INTO clause to create new tables from ... Using a Sum in Oracle Multiplying Using a ...

The indexes on a the tables of a large database make a huge difference in its performance and utility. Without an index, locating a single record in a large table can take several seconds; with ...