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SQL Server Databases


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SQL
__________ is the standard language for inserting, updating, and deleting data in a database
Database management system
a system software component that manages and controls one or more databases
Referential Integrity Constraint
A referential integrity constraint is a statement that limits the values of the foreign key to those already existing as primary key values in the corresponding table.
database
A collection of data organized in a manner that allows access, retrieval, and use of that data.
Contents of a Database
Tables of user data
Entity Relationship Diagram
A graphical representation of all entity relationships (Data Model)
Relational Database Model
The dominant database model is the relational database model—all current major DBMS products are based on it.