what is the necessary field in order table in access

Order of tuples in a table is irrelevant, true or false?

Under what circumstances should you not create an index for a table?

Emp:- Id is Primary keyProject:- EmpId foreign key.Find out the output of the left outer join, right outer join and inner join.Take the below columns in output:-Emp table ID, name.Project table projectID, NAME

What is the main difference between the set operators and the join?

For this problem create a (temporary) table called instructor_course_nums. Write a procedure that accepts an instructor ID as input. The procedure calculates the total number of course sections taught by that instructor, and adds a tuple to the temporary table consisting of the instructors ID number, name, and total courses taught - call these attributes: ID, name, and tot_courses. If the instructor already has an entry in the table,then the procedure makes sure the total number of courses taught in the temporary table is up-to-date. You must name your procedure: Written in PostgreSQL

I need help with an UPDATE statement that will change the CUST_EMAIL value to "unknown" for records in the CUSTOMERS table that have null values for the cust_email field

Which type of constraint can be used to make certain the category for a book is included when a new book is added to inventory? ( refer to the tables in the JustLee Books database).

help please Create a table named BRANCH. The table has the following structureBRANCH_NUM decimal(2,0) NOT NULL default '0'BRANCH_NAME char(50) default NULLBRANCH_LOCATION char(50) default NULLNUM_EMPLOYEES decimal(2,0) deault NULL PRIMARY KEY (`BRANCH_NUM`) (Please type answer no write by hand)

Could you do typing the query here please?