Though basic queries work well in a Microsoft Access database, sometimes you need something a little more powerful, like a join query. Joins allow you to gather data from multiple tables at one time based upon existing relationships. Relationships can include one-to-one, one-to-many and many-to-many. Depending on your needs, there are several different types of ...
RDBMS Components Two important pieces of RDBMS architecture are the kernel, which is the software, and the data dictionary, which consists of the system-level data structures used by the kernel to manage the database. The RDBMS Kernel You might think of an RDBMS as an operating system (or set of subsystems), designed specifically for controlling ...
Crystal Reports is a dynamic program that allows for a decent degree of customization. For the sake of simplicity, I have listed the pros and cons below, each based on my own experiences with this program over the past few years. Pros: Has a nice wizard that helps less experienced users select tables and create ...
Microsoft SQL Server is a very powerful and robust database application. It is the premiere choice of most large organizations who utilize a database solution. In most cases the data being stored in these databases are mission critical and coming up with a disaster recovery plan is top priority. There are many parts to a ...
By using the “CREATE TABLE” command you can create a table in SQL. What if you want to see the contents of table? In SQL you can see the contents of your table using the command “SELECT”. Using select command you can see the data of your table in four formats: 1. All rows, all ...
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