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1. Access will draw a line, called______a, between matching fields in two tables, indicating that the tables are related. You can then select fields from either table. Access joins the tables automatically.
2. means that thcrc is more than one criterion that the data for which you are searching must satisfy.
Attachment:- Access.rar
What is the key for R? Decompose R into 2NF, then 3NF relations and what you know about the relation to show that this MD cannot violate 4NF
Sort ascending by consultant ID and Date Opened. Don't show tickets with category ID of 0. HINT: You will require to use SELECT query with an alias in builder for the column.
Express given five loosely described problems carefully in { Instance, Question } form as utilized in "Computers and Intractability". Determine that a list of n numbers has no duplicates.
In 250 - 300 words describe role of a database administrator and the tasks performed by this role. Also, describe why this role is important in Database Management.
Relational database is based on fact that data in one table can be tied, or related to data in another table. To do this, database utilizes various types of keys to form or define these relationships.
All primary keys are underlined. All foreign keys have same name as primary key that they are referencing. Determine the names of all Tracks which are more than 10 minutes (600,000 ms) long.
Consider a relation schema r(A,B,C,D,E, F) and a set of functional dependencies {A BCD,BCDE,BD,DA}. Determine whether or not (A,E, F) is in BCNF and justify your answer. If (A,E, F) is not in BCNF,find a BCNF decomposition of it.
Find the average number of books borrowed per member. Take into account that if a member does not borrow any books, then that member does not appear in the borrowed relation at all.
Write the CREATE INDEX statements to create a clustered index on the GroupID column and a nonclustered index on the IndividuallD column of the GroupMembership table.
Complete following task. In each exercise, represent answer in both DBDL and with diagram. You may use any of styles for diagram. Create database to produce following reports. Do not use any surrogate keys in design.
Prepare the relational schema for database
Construct a query that can be used on a report for determining how many days the customer's invoice will require payment if total amount due is within 45 days. Provide a copy of your working code as part of the paper.
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