SQL (Structured Query Language) is a fundamental skill for anyone working in data management, whether you're a database administrator, data analyst, or software developer. For professionals looking to ...
The links below take you to an overview of each listed feature area and a simple step-by-start tutorial for each area. For solution-scoped quick starts that demonstrate the use of SQL Database in a ...
This is essentially a container storing organised data electronically, usually controlled by something called a database management system (DBMS for short). These can store more data (and are more ...
Overview: Consistent SQL practice across varied platforms builds real job-ready confidence.Guided lessons help beginners, while timed challenges sharpen intervi ...
In SQL Server, the database can be stored in different files and filegroups. If your database is small (100 MB or less), you do not need to worry too much about files and filegroups. But if you have a ...
The SQL Developer unit testing framework involves a set of sequential steps for each test case. The steps are as follows, including the user input for before the step is run and the framework ...
The structured query language is a powerful tool for connecting to many database systems that store data in tables organized into rows and columns. It's often used on the backend of business websites ...
JDBC (Java Database Connectivity) is the generalised Java to RDBMS interconnection layer, analagous to ODBC in the Windows world, or Perl's DBI framework if you prefer. Using JDBC with an appropriate ...
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