tutorials
SQL Tutorial For Beginners
Learn the basics of SQL quickly and easily in this easy to follow SQL tutorial. Learn how to query, add, modify and delete records in your Oracle database tables using SQL with this short tutorial.
Scalar subqueries tips for Oracle 9i
Scalar subqueries are a powerful enhancement to Oracle9i SQL. They allow for quick formulation of extremely complex SQL statements. Oracle’s introduction of scalar subquery support is another example of the company’s commitment to keeping pace with the evolution of the SQL language.
Some of MySQL Key area of performance tuning
6 general issues to consider when optimizing the performance of mySQL
Import Excel Data Into MySQL Using phpMyAdmin
So you have a bunch of data in Excel that you want to create a database from. But how do you import the Excel data in MySQL? With phpMyAdmin, the process is painless and easy. This tutorial will explain this process step by step.
SQL Server Triggers
Triggers are stored procedures which are fired when data is modified in an underlying table. They can evaluate data being added to a table for validation purposes, or can make changes in that or other fields depending on the value of that data. You can use them even to execute a separate stored procedure, or to roll back a data modification or an entire transaction.
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