Write a Stored Procedure for the below given relation to validate the user credentials (User 1 and Password), if user input the incorrect User id or password than display error message "Incorrect User ID or Password otherwise show message “User Login Successful User Table Attribute Name id loginid password role id email id Datatype with Width int nyarchar(25) nyarchar(25) Constraint Primary Key Unique, Not Null int nyarchar(100)

Q: Write a SQL query that displays the number of customers who born on the 16th day of a month .  Write…

A: 1. select count(customerID) from Customers where to_char(custDOB,'DD') = 16; 2. select customerID…

Q: Considering Vaccination Database, write queries to: Display the Subject CNIC, Name, Contact, Dose1…

A: The subjects who have been vaccinated different types in Dose1 and Dose2. For instance, subjects who…

Q: What happens when a constraint is followed? Unique I Primary Key (ii), Default (iii), and Check (iv)…

A: Please find the detailed answer in the following steps.

Q: Q. Consider the following relations:  EMP_NO EMP_NAME EMP_GRADE  JOB_ID DEPTNO START_DATE EMP…

A: Since multiple questions are asked,solving 1,2,3 repost remaining. 1. SELECT EMP_NAME||', '||JOB_ID…

Q: A attribute in a relation is a foreign key if the _______ key from one relation is used as an…

A: A foreign key is a key used to link two tables together. This is sometimes also called as a…

Q: A relation cannot have: Multi-values attributes Several super-keys O Composite attributes Attributes…

A: Answer:

Q: Table: Task Primary key: TaskID Foreign key: Team MemberID TaskID 1 2 3 Description Build login…

A: INSERT Query: It used to insert new record in table. Syntax: INSERT INTO table_name (column1,…

Q: PLZ help with the following: Populate every relation with “sufficient” representative rows (at…

A: The given are the tables created in SQL database where details of Book, Client, Author are stored.…

Q: What is the distinction between a PRIMARY KEY and a UNIQUE constraint

A: In Step 2,   I  have  provided  distinction between a PRIMARY KEY and a UNIQUE  KEY---

Q: Using this unnormalized table and the five functional dependencies and third normal forms. In other…

A: To find the normal forms for the given functional dependencies, we need to check each normal form…

Q: A relation may not have a super key. (a) True (b)False

A: A super key is a set of one or more attributes (columns) within a relational database table…

Q: Explain references the primary key in the same relation?

A: The primary key constraint is that each row in the relational database management system table is…

Q: What are the references to the main key in the same relation?

A: Introduction: The primary key constraint requires that each row in the relational database…

Q: When an attribute of a primary key is null of new tuple then constraint violated is: Select one: a.…

A: A primary key is a set of attributes that uniquely identifies tuples in a relation. In other words,…

Q: 105. The type of constraint which states that not even a single value with primary key can be a null…

A: Please see the next step for answer.

Q: The first requirement: Using the SQL language, transform the following entity model into tables in…

A:

Q: The value of the candidate key cannot uniquely identify each tuple in a relation. True O False…

A: 1. The Value of the Candidate key is used to Identify the unique tuple in the relation. Your Answer…

Q: The degree is the number of tuples in a relation. Select one: a. False b. True

A: Relational Database: Table is called as relation or file. Row is called as tuple. Column is called…

Q: Course Offering StudentiD : number (10) InstructoriD : number (10) CourselD : number (10) O Time :…

A: SMALLINT, INTEGER, BIGINT, NUMERIC(p,s), and DECIMAL(p,s) are the exact numeric data types.…

Q: 13. Which one of the following uniquely identifies the elements in the relation? a. Secondary Key b.…

A: Given options -  a. Secondary Key b. Primary key c. Composite key d. Foreign key

Q: Normalise the data :

A: Q

Q: Indicate all the functional dependencies and the normal form for each relation. Decompose your…

A: Indicate all the functional dependencies and the normal form for each relation. Decomposeyour…

Q: . Foreign key is the one in which the ________ of one relation is referenced in another relation. a.…

A: In DBMS, keys are used to uniquely identify data in a table. Multiple keys from different tables can…

Q: Table name: Supplier Column Name Role Data Type Length Constraint supplierID Stores the ID of…

A: Syntax : Alter table table_name Add column_name datatype , foreign key(col_name) references…

Q: Write SQL statements to create at the two tables for the database. The tables must have at least…

A: Given:   We have to discuss SQL statements to create at the two tables for the database. The tables…

Q: Each relationship is mapped into a relation?

A: Relation: Relation indicates that how the elements of the sets associated with the other elements.…

Q: Indicate dependences and their type.

A: There are two data dependencies: on $6 between the SW and the add, and on $1 between the SWand lw.

Q: Candidate Key is a key that may have many duplicates may be absent may be…

A: Introduction: In this question, we are asked to answer the correct option regarding the candidate…

Q: ANSWER THE FOLLOWING QUESTIONS BASED ON THE GIVEN TABLE a) write the DDL statement to create the…

A: Here, Create statement is used to create a table and we can add all the columns with constraints…

Q: Any relation must have at least ONE Select one: a. Foreign Key b. Composite key  c. Alternate key…

A: A relation basically is a table containing rows of some properties called columns. So there must be…

Q: Write appropriate SQL DDL statements for declaring the database "Employee", assign admin privilege…

A: 1.Create DATABASE Employee; GRANT Employee ON Users To 'AMAL'@'localhost;

Q: The process of decomposing a relations into two relations is called: Select one: O Denormalization O…

A: Disclaimer: “Since you have asked multiple questions, we will solve the first question for you. If…