Write a select statement to form the union of the twos table and the threes table.
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- Write a select statement to form the union of the twos table and the threes table.
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- Q3: Can WHERE clause be used without GROUP BY clause? Explain your answer.The Movie table has the following columns: ID - integer, primary key Title - variable-length string Genre - variable-length string RatingCode - variable-length string Year - integer Write a SELECT statement to select the year and the total number of movies for that year. Hint: Use the COUNT() function and GROUP BY clause. NOTE: Starter code has been provided. Simply change the blanks ("_") to the appropriate entity/value.Write a SELECT statement that returns all rows with salary, last name, street address and ZIP code (SALARY, LAST_NAME, STREET, ZIP_CODE) from the EMPLOYEE and ADDRESS tables, sorted by SALARY from largest to smallest. STREET and ZIP_CODE are in the ADDRESS table, while the other fields are in the EMPLOYEE table. The common key is EMPLOYEE_ID.
- According to tables below, write 3 SELECT statements to exemplify LEFT, RIGHT and FULL OUTER JOIN statements.Question 15 Suppose that you have the following table created as: CREATE TABLE TAB1 (NAME VARCHAR2 (100)); INSERT INTO TAB1 VALUES ('Ahmed Raoof Hasan'); Use one SELECT statement to decompose the NAME into first, second, and last names. e.g. Name: Ahmed Raoof Hasan 1. first: Ahmed 2. second: Raoof 3. last: Hasan Hint: use the following syntax if needed: INSTR (string, substring, start_position, occurrences) SUBSTR (string, start_pos, length) Use the editor to format your answerPlease write the answer in table first and then at the end of the question.
- Write a SELECT statement that returns CustomerId and average Total from the Invoice table grouped by customerId. Use the CONCAT function to insert a ‘$’ in the front of the average total and the FORMAT function to to display it with commas and 2 decimal places.Question 15 Suppose that you have the following table created as CREATE TABLE TAB1 (NAME VARCHAR2 (100) ); INSERT INTO TAB1 VALUES ('Ahmed Raoof Hasan'); Use one SELECT statement to decompose the NAME into first, second, and last names. e.g. Name: Ahmed Raoof Hasan 1. first: Ahmed 2. second: Raoof 3. last: Hasan Hint: use the following syntax if needed: INSTR (string, substring, start position, occurrences) SUBSTR (string, start_pos, length) Usethe editor to format your.answerRename the EMPLOYEES table as JL_EMPS.