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database transaction is an important concept to understand for all those programmer and developer who wants to work in database be it Oracle, MySQL or SQL Server. to protect database consistency from ...
10 Example of SELECT queries in SQL
Select statement in SQL is used to retrieve data from database and sued to generate reports out of database. SELECT statement is very powerful and very versatile and there are many way one can use SEL...
Difference between truncate and delete command in SQL
If you are working in a huge table you need to be very very careful while executing any query because due to large data any query can run at very long duration or return very huge results which can po...
simple mysql function example
Tutorial on how to create a simple mysql function and result.
List all tables in a mysql database
In this programming tutorial we will learn how to list all tables in a mysql database. Sometimes you may want to get the table names of a mysql database; in that case the below mentioned show command ...
How to Assign Column Aliases in SQL Server
SQL Server, Functions, COUNT, Distinct, Column Aliases, Aliases, Table Expressions
How to Use the OVER Clause in SQL Server 2008 R2
This tutorial will show how to use the OVER clause in SQL Server 2008 R2. The OVER clause exposes a window of rows to certain kinds of calculations as this tutorial will show.
How to Insert Values into a Table Within a Database in SQL Server 2008 R2
This tutorial will show how to insert values into a table created in a database. Using the INSERT INTO and VALUES statements allows for data to be inserted into a table.
How to Create a Table in a Database in SQL Server 2008 R2
This tutorial will show how to create a table in a database in SQL Server 2008 R2 edition. Creating a table in the proper database keeps the data more organized than creating a table outside of a data...
How to Calculate the Average of a Numerical Column SQL Server
This tutorial will show how to calculate the average of a numerical column in SQL Server. Using the AVG function, we are able to calculate the average of a numerical value and output the results in a ...