In sql get to know the HR database, its tables, and their contents. Show the SQL query and the output. Display job Title, the difference between minimum and maximum salaries for jobs with max salary in the range 10000 to 20000 Display employees where the first name or last name starts with S.

Q: List the years and their total gross earnings (sum of earnings per year), but do not include gross…

A: ANSWER:-

Q: Write the SQL code that will compute the total number of hours worked and total amount billed by all…

A: To compute the total number of hours worked and total amount billed by all workers, we need to have…

Q: Display names of all those students who have “A”

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Q: Display employees where the first name or last name starts with S. using sql plus hr user

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A: In sql, we use SELECT statement to display the table details according to the requirement. We will…

Q: In SQL Server, there are three forms of character data: NVARCHAR, NVARCHAR, and NVARCHAR.

A: Introduction: The information that will be kept in each column must be chosen by a SQL developer…

Q: Write an SQL statement that combine the courses and teachers tables to query the n ames of all…

A: Given : Tables : teachers , courses

Q: the SQL code that will create the table structure for table: PRODUCT. Note: P_CODE is the Primary…

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Q: 9. Determine the calendar date of the next occurrence of Wednesday, based on today’s date. SQL…

A: Solution: Introduction: Sql - structured query language  To Determine the calendar date of the next…

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Q: Write the T-SQL scripts for the following tasks: Write a query to select the count of employees…

A: SELECT     COUNT(*)FROM    employees_tableWHERE    department = "Marketing";

Q: Which function would you use to concatenate strings in SQL, and how does it differ from string…

A: In the SQL, string manipulation is a fundamental aspect of database  querying and reporting. When it…

Q: 5. Add a column to the query described in exercise 2 that uses the RANK() function to return a…

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

Q: a) Find department_id for departments that do not contain the job id ST_CLERK a) lists the employee…

A: In this question we have to provide the SQL code for the following queries. Let's query and hope…

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Q: Write the SQL code to add sample data (1 row for each table).

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Q: obtain the name and credit limit of the customer whose number currently is stored in I_CUSTOMER_NUM.…

A: I have answered this question in step 2.

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

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A: Given: To write the SQL query.

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Q: Using DML SQL, write the appropriate SQL query for each of the following: Insert A new customer…

A: In SQL, DML stands for Data manipulation language which contains Select, Insert, Delete and Update…

Q: 1. Retrieve the SSN_NUMBER of all employees whose name starts with N. Attribute First Name Last Name…

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Q: Which SQL statement will return the same results as the following SQL statement? SELECT * FROM…

A: Answer: Option 2,3, and 4 are having the where conditions will give the different results

Q: C) Which employees earn less salary than the average salary for the consultants who perform the same…

A: According to the information given:- We have to consider the instruction to write queries on the…

Q: Obtain the name and credit limit of the customer whose number currently is stored in I_CUSTOMER_NUM.…

A: Answer:-

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Q: write an sql query that displays the parking space number location as well as the name of the staff…

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Q: If the DOCTORS table has the following columns, and you want to write a SELECT statement to return…

A: If the DOCTORS table has the following columns, and you want to write a SELECT statement to return…

Q: Write a PL/SQL block that would go through all the job details from JOBS table and make sure min…

A: The PLSQL code is given below

Q: code BANK name address accountNo branches N ACCOUNT offers balance tyne address BRANCH 1 loans…

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

Intermediate SQL Concepts

A query is a request for data or information from one or more database tables. This information could be presented in the form of pictorials, graphs, or complicated findings which helps in easy interpretation. Structured Query Language (SQL) is the most widely used programming language for retrieving and organizing data from relational databases. Collection of tables with rows and columns is referred to as a database. SQL is the language of databases. It makes it easier to extract specific data from databases, which can then be used for analysis.