Database Terms From The Book Flashcards
The information about database and table, layout, and properties is called
Schema
A type of allowed data in a column is called
Datatype
It’s restricts the type of data that can be stored in a column
A column or instead of columns, whose value uniquely identify every role in the table is called
Primary key
It’s used to refer to a specific row
SQL stands for
Structured Query Language
Two Keyboard key that can be used to execute statement
F5 and Ctrl+E
When a column contains no value, it’s said to contain a________value.
NULL value
A special keyword used to join or change clause with a WHERE clause is
Operator . Also known as logical operator
Joining values together ( by appending them to each other) to form a single value is called
Concatenate