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Lecture Week 7 - ERD Diagram_Chapter4

Horizontales
The SQL command that selects all records in the table on the “many” side of a one-to-many relationship even if they do not have any matching records in the “one” table.
The rule that no column (attribute) that is part of the primary key may accept null values.
A very popular relational data definition and manipulation language that is used in many relational DBMSs.
The clause in an SQL CREATE TABLE or ALTER TABLE command that specifies referential integrity.
The part of an SQL SELECT command that indicates the condition rows must satisfy to be displayed in the query results.
Verticales
The SQL command that selects records that have matching values in both tables.
The part of SQL used for creating and altering database objects.
The part of an SQL SELECT command that indicates the columns to include in the query results.
The SQL clause that is used in a CREATE TABLE or ALTER TABLE command to set a table’s primary key field(s).
The SQL command that selects all records in the table on the “one” side of a one-to-many relationship even if they do not have any matching records in the “many” table.