When must you define constraints at the table level rather than the column level? ( refer to the tables in the JustLee Books database).

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

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).

How do we decide which model to generate when creating tables in Microsoft Access?

How do we decide which model to create in Microsoft Access as our table creation environment?

Define the term referential integrity constraint. Give an example of a referential integrity constraint for the tables you created for question 1.8.

plz help with the following: When joining three or more tables, you need to specify a join condition for one pair of tables. Select one: a. True b. False

PLZ help with the following: The manager wants to add a new painter as an artist in the database. What would the insert statement look like? For a painter to be considered in the Artist database, the painter must have painted at least one painting, however, a painting might not be exhibited in a gallery. Based on these business rules, please insert one painting for the painter that you inserted in Q1. sql file CREATE TABLE GALLERY (GAL_NUM char(4),GAL_OWNER varchar(35),GAL_AREACODE char(3),GAL_PHONE char(8),GAL_RATE number);INSERT INTO GALLERY VALUES('5','L. R. Gilliam','901','123-4456',0.37);INSERT INTO GALLERY VALUES('6','G. G. Waters','405','353-2243',0.45 );INSERT INTO GALLERY VALUES('1','N. D. Cosner','203','123-9956',0.67);INSERT INTO GALLERY VALUES('2','S. H. Artwork','415','154-3243',0.30); /* -- */ CREATE TABLE PAINTER (PTR_NUM char(4),PTR_LASTNAME varchar(15) NOT NULL,PTR_FIRSTNAME varchar(15) NOT NULL,PTR_AREACODE char(3),PTR_PHONE char(8));INSERT INTO PAINTER…