Write a query to change the datatype of the column starttime to datetime in the table 'bookings' and make it as Not null column
Question
Solution 1
To change the datatype of a column in SQL, you can use the ALTER TABLE command. Here's how you can change the datatype of the column 'starttime' to datetime and make it a NOT NULL column in the 'bookings' table:
Step 1: First, you need to ensure that all existing data in the 'starttime' column can Knowee AI StudyGPT is a powerful AI-powered study tool designed to help you to solve study prob
Knowee AI StudyGPT is a powerful AI-powered study tool designed to help you to solve study problem.
Knowee AI StudyGPT is a powerful AI-powered study tool designed to help you to solve study problem.
Knowee AI StudyGPT is a powerful AI-powered study tool designed to help you to solve study problem.
Knowee AI StudyGPT is a powerful AI-powered study tool designed to help you to solv
Similar Questions
Write a query to change the datatype of the column starttime to datetime in the table 'bookings' and make it as Not null column
Write a query to modify the datatype of the column departmentId from VARCHAR(30) to INT in the table 'department'.Refer to the existing table DLL given below:
Alter building(Add Column)Write a query to add new column "description" of type varchar(255) add not null constraint to building table.
Question 4Fill in the blank: Aliasing involves _____ naming a table or column to make a query easier to read and write.
Table building_type(Update)Write a query to change the name 'Pharmacy' to 'Hospital' in the building_type table.