Write a SQL statement to create a table job_history including columns employee_id, start_date, end_date, job_id and department_id and make sure that, the employee_id column does not contain any duplicate value at the time of insertion and the foreign key column job_id contain only those values which are exists in the jobs table. Field EMPLOYEE_ID START_DATE END DATE JOB ID DEPARTMENT ID Type Decimal(6,0) Date Date Null Key Default Extra No pk Null No Null No Varchar(10) No Decimal(4,0) Yes fk Null Null Null ...

Q: I need help with the SQL query for the following question: 1. Get top 5 list of products liked in…

A: QUERY: Creating table: CREATE TABLE Reviews(     ProductModelName text,     ProductCategory text,…

Q: Statement: The columns listed in a GROUP BY command must come from the columns listed in the SELECT…

A: Statement: The column listed in the GROUP BY command must come from the columns listed in the SELECT…

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A: --table CarCREATE TABLE Car(vehicle_ID Number(20),manufacturer varchar(100),year Number(4),model…

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A: Query: The below query is used to create a table named “new_Invoice” which is exactly the same as…

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A: Essential statements used in query: select: The select  statement is used to select data from a…

Q: The attributes that may be searched in the SELECT statement will be limited if a GROUP BY clause is…

A: The above question is solved in step 2 :-

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: 1. Use the following table to answer the questions below. Table name: Products Column Role Data Type…

A: We have to extract year from the Date filed and then the year has to be 2021  Now, we have to count…

Q: Table: Import Primary key: ImportID Foreign key: CountryID ImportID 1 2 3 Description Electronics…

A: The answer is given below

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A: How to Add a New Column with ALTER TABLE To add a new column, you first need to select the table…

Q: Write a single SQL query statement that lists the work id, worker name, task id, task name and,…

A: Definition: Designed for handling data stored in a relational database management system, SQL is a…

Q: 6. Write a SQL statement to create a simple table named teams including columns team_id int,…

A: Given:

Q: Database introduction based question

A: Let us see the database details below. Note: In the question countryID table related details and…

Q: a Write in SQL a command that creates the table Products according to the above description a. Write…

A: Given :

Q: Given two database table i_users(userid,username,email address,isActive,gender) stores the users…

A: Structured Query Language is abbreviated as SQL or also pronounced as See-Qwell. It is developed for…

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A: In step 2, I will create the SQL statement to add a CHECK constraint on the ROOM_STATUS column in…

Q: 7. Insert the contents of the hash table in the boxes below given the following conditions: The size…

A: Below is the required hash table:

Q: Create a SQL statement to Display the RID, RType, Rate, and Room_Status of all ROOMS whose RID is…

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Q: Assume that you have a table ABC that contains two columns: employee name e_name and the salary sal.…

A: We first create the table and fill some values. Next, we query for the required result.

Q: Write a SQL statement to create a foreign key in table Invoice_Detail that refers to the…

A: Write a SQL statement to create a foreign key in table Invoice_Detail that refers to the…

Q: Show the total number of reviews of most liked product per retailer in every city  Here is the…

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Q: PL/SQL script

A: Given :- An Entity relation diagram is mention in the above given question   Need to write a PL/SQL…

Q: Answer SQL Question according to above Tables. What is the result of the following query? SELECT…

A: The result of inner query Select gender where dept = software is Male.  Now from employee table we…

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A: Description:   1- No, don't need to create a DEPTNAME column in two places.  2- Create a column name…

Q: Normalise the data :

A: Q

Q: Question 3 refers to two data tables giving the details of a company's employees and company's job…

A: Please find the detailed query in the below solution.

Q: Write an SQL statement to create tables with details given below Table: LIBRARY Book_ID Book_Name…

A: Here, We have to create two tables.

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Q: Write a SQL statement that will display the product ID, product name and another column that will…

A: SELECT is the keyword used to display any column data

SQL Query

Structured Query Language is the full form of SQL. It is one of the standard languages to deal with the relational database. It is used to insert, update, delete, and search the records stored in a RDBMS. The relational databases are created and managed by using SQL.