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AR Adv DB Unit 11
Advanced Database Unit 11
| Term | Definition |
|---|---|
| Select | a SQL command used to query a database |
| SQL | (Structured Query Language) one of the most popular and widely used languages for retrieving and manipulating database data |
| Update | a SQL command used to change a value in a table |
| Insert intro | a SQL command that adds rows to a table |
| Not null | a SQL clause used to specify that certain fields or columns in a record cannot contain null values or be left blank |
| Order by | a SQL statement used to sort data |
| Create table | an SQL command used to describe the layout of the table which after running creates the table |
| Delete | a SQL command used to delete data from a table |
| Drop table | a SQL command used to delete an entire table |