Creating Database Objects Flashcards
Data Types
specifies the type of a piece of data and what can be done to it
Integer
a whole number
Float
any real number
Character
Stores A-Z and 0-9
Boolean
True or False, 1 or 0
ANSI SQL
grammar and rules of structure and content of statements
View
a saved query that creates a virtual table from the result of the query
Query
Specific set of instructions
Graphical Designer
object oriented, drag and drop application
T-SQL
Transact SQL, Microsoft extension to SQL
Functions
One word command that return a single value
Aggregate Functions
return a single value, calculated from values in a column
Scalar Functions
returns a single value based on the input value of a single field
User-Defined Functions
Compact Segments of user written SQL code
Stored Procedure
precompiled groups of SQL statements saved in a database