a$.$ True$/$False

$1.$ SQL stands for Standard Query Language.

$2.$ In a relational database, a table can have multiple primary keys.

$3.$ Relational algebra provides a foundation for the relational database model and is procedural in nature.

$4.$ One advantage of using views is that they can restrict access to specific rows or columns of a table.

$5.$ SQL is case$-$sensitive