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Which relational algebra operators can be applied to a pair of tables that are not union compatible?
Which relational algebra operators can be applied to a pair of tables that are not union compatible
What do you do in Algebra?
Solve for variables using equations graphs and tables. There is also a lot of substituting
WHAT relational algebra operators can be applied to pair of tables that are not union compatible?
SELECT, PROJECT, DIVIDE, PRODUCT, and JOIN
Why should you learn algebraic expressions?
Learning the expressions is the same thing as learning your multiplication tables - it helps you to understand algebra. And algebra allows you to understand things like logic, statistics, and all sorts of calculations where you don't know enough numbers to do a straight addition or multiplication or subtraction or division.
What are some math goals?
For primary school (elementary) students, you should have a goal of learning your multiplication tables. For secondary school (high school) students, you should have a goal of mastering algebra.
