May 27, 2021 Website construction guide
SQL is the standard computer language for accessing and processing databases.
Common database management systems: MySQL, SQL Server, Access, Oracle, Sybase, and DB2
FOR those who want to store and get data in a database, SQL's knowledge is insa measured value.
A database typically contains one or more tables. E ach table is identified by a name (for example, "Customer" or "Order"). T he table contains records (rows) with data.
The following example is a table called "Peoples":
The table above contains three records (one person for each) and four columns (last name, first name, address, and city).
With SQL, we can query a database and get a result set returned.
The query program is something like this:
The result set is something like this:
Visit our complete SQL tutorial