click below
click below
Normal Size Small Size show me how
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 |