![]() ![]() MariaDB was originally-created as a drop-in replacement to MySQL, so MariaDB and MySQL are particularly close. This means that when you learn SQL while using MariaDB, almost all of it is not specific to MariaDB and can be used with other relational databases as well, such as PostgreSQL, MySQL, Oracle and SQL Server. This displays all of the defined relationships in your database. On the Design tab, in the Relationships group, click All Relationships. On the Database Tools tab, in the Relationships group, click Relationships. Almost all DBMSs use SQL, although many have added their own enhancements to it. Click File, click Open, and then select and open the database. SQL (structured query language) is a powerful way to search for records or make changes. Relational databases are a type of database that store and organise data points with defined relationships for fast access. Given this kind of structure, the database gives you a way to manipulate this data: SQL. The terms attribute and field are interchangeable. ![]() For example, the data in the Description column in Table 1 are fields. An attribute, when referring to a database table, is called a field. Examples of attributes are the quantity of an item sold or the price of a product. Each column (also called an attribute) contains one piece of data that relates to the record, called a tuple.The terms row and record are interchangeable. For example, the first row in Table 1 is a record it describes the A416 product, which is a box of nails that costs fourteen cents. ![]()
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