Q1. Write a SELECT statement that returns these columns from the Invoices table: The invoice _total column A column that uses the ROUND function to return the invoice_total column with 1 decimal digit A column that uses the ROUND function to return the invoice_total column with no decimal digits

Which operator should you use to find NULL values?

Sql server

If we implement a queue using an array where we treat the array as if its two ends are "taped together", we call that a linear array. O True False

Fill in the blanks with the appropriate words from the options given. Aggregate functions can be used in the select list or the____clause of a select statement or subquery. They cannot be used in a _clause. Group by, where O Where, having O Having, where Group by, having

The Horse table has the following columns: ID - integer, primary key RegisteredName - variable-length string Breed - variable-length string Height - decimal number BirthDate - date Write a SELECT statement to select the registered name, height, and birth date for only horses that have a height between 15.0 and 16.0 (inclusive) or have a birth date on or after January 1, 2020.   -- Your SELECT statement goes hereSELECT *FROM HorseWHERE (Height >= '15.0' AND Height <= '16.0')    OR BirthDate >= '2020-01-01';

SQL procedure    a. Write a procedure in SQL that inserts a new customer record into the "Customers" table.   b. Create a procedure that updates the quantity of a product in the "Inventory" table based on the product ID.   c. Write a procedure that calculates the average salary of all employees in the "Employees" table and displays the result.

he Horse table has the following columns: ID - integer, primary key RegisteredName - variable-length string Breed - variable-length string Height - decimal number BirthDate - date Write a SELECT statement to select the registered name, height, and birth date for only horses that have a height between 15.0 and 16.0 (inclusive) or have a birth date on or after January 1, 2020.

Write a SELECT statement that returns the following columns from the PRODUCT_INFORMATION table. Sort the results by PRODUCT_ID in ascending order. 1. PRODUCT_ID 2. PRODUCT_NAME 3. LIST_PRICE ○ Use the TO_CHAR function to convert LIST_PRICE to a character string with the currency formatting Give this field an alias of PRICE

31 Refer to the given SQL statement. SELECT PRODNUM, PRODNAME FROM PRODUCT: Which line designates a product number of at least 300 when added to the end of this statement? O WHERE PRODNUM>=300 WHERE PRODNUM=300+ O WHERE PRODNUM=(300; unlimited) WHERE PRODNUM=>300