Delete the EndDate column from the EMPLOYEES table.
To delete the column form the table query syntax is
ALTER TABLE "table_name" DROP COLUMN "column_name"
The query is
ALTER TABLE EMPLOYEES DROP column EndDate;
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Implement an eager delete() method for linear probing hash
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orders Modify Database sales CUSTOMERS CustStreetAddress CustCity ORDERS OrderNumber PK OrderDate ShipDate CustomeriD FK EmployeelD FK OrderTotal CustPhoneNumber EMPLOYEES EmployeelD PK EmplastName EmpCity ORDER DETAILS PRODUCTS OrderNumber CPK ProductNumber CPKO QuotedPrice QuantityOrdered EmpState EmpPhoneNumber CategorylDFK CATEGORIES CategorylD PK PRODUCT VENDORS VendoriD CPK DaysToDeliver ORDERS ARCHIVE ShipDate...
What will the following SQL script return? /* SELECT* FROM EMPLOYEES WHERE TYPE = 'CASHIER' */ A It will return all rows and columns from the EMPLOYEES table. B It will return the CASHIER column for all rows in the EMPLOYEES TABLE. C It will return all rows and columns from the EMPLOYEES table where the TYPE column = "CASHIER". D It will return nothing.
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A company maintains data on their employees in a table called employee. Write a query to find the highest paid employee in each department. The output should contain department_name, employee_name, and salary. Exclude employees with no department from your result. Input Format: employee table: Column Type employee_no Integer employee_name String department_no Integer salary Integer manager_no Integer department table: Column Type department_no String department_name String
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SQL From employees table, display the first_name, last_name, phone_number and Phone number Type. Phone number type should be "USA Phone Number" (Length=12) or "International Phone Number" (Length=18) or "Unknown" based on the length of the phone number. Sort the display in desc order of phone number type Use Either CASE or DECODE. Output Column Heading: First Name, Last Name, Phone Number, Phone Number Type
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in using Employees table given able Write a SELECT statement to get employees first name and starts with "A" 25). Write a SQL code for the following inquiries us reccords in the employees table where Write a SELECT statement to count the number of r lastname starts with "C" question "B" 2) If you have to write a SOL code to ioin between EMPLOY e will you join on? Provide the column name. ) I which col