Primary : a relational database constraint. Primary key consists of one or more columns that uniquely identify a row in the table. For a normalized relation, there is one designated primary key.
Unique index: a physical object that stores only unique values. There can be one or more unique indexes on a table
Suppose I am using the Switchboard Manager in MS Access. I am getting an error message "There was an error executing this command."?
Tell us The Steps For This Message Could Not Delete From The Specified Tables?
Tell us what is the tag property and how can it be used?
Tell me the tabledefs collection represents only open tables. (True or False)?
Tell me how do I add (or subtract) time differences to (or from) a date?
Explain me what is the size limitation of an Access database?
Tell me the form collection represents all forms in a database. (True or False)?
Tell us The Criteria Which A Trusted Publisher Should Meet Before Adding Him?
at least one use of the bookmark property of the form?
Explain me what Happens If The Both Source And Destination Are Named The Same?
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