ExampleGet your own SQL Server DROP DATABASE testDB; Tip: Make sure you have admin privilege before dropping any database. Once a database is dropped, you can check it in the list of databases with the following SQL command: SHOW DATABASES;...
DROPTABLEShippers; SQL TRUNCATE TABLE TheTRUNCATE TABLEstatement is used to delete the data inside a table, but not the table itself. Syntax TRUNCATETABLEtable_name; ❮ PreviousNext ❯ Track your progress - it's free! Log inSign Up
https://www.youtube.com/watch?v=VQpmOmZO2mo We can create and drop view using below commands. Create Command CREATE VIEW view_name AS SELECT column1, column2,column3, column4 FROM table_name WHERE condition; Drop Command DROP VIEW view_name; Accepted ...
SQL Server / Oracle / MS Access: ALTERTABLEPersons ALTERCOLUMNCityDROPDEFAULT; MySQL: ALTERTABLEPersons ALTERCityDROPDEFAULT; DROP INDEX TheDROP INDEXcommand is used to delete an index in a table. MS Access: DROPINDEXindex_nameONtable_name; ...
SQL Dropping a View A view is deleted with theDROP VIEWstatement. SQL DROP VIEW Syntax DROPVIEWview_name; The following SQL drops the "Brazil Customers" view: Example DROPVIEW[Brazil Customers]; Track your progress - it's free! Log inSign Up...
The CREATE TABLE command creates a new table in the database.The following SQL creates a table called "Persons" that contains five columns: PersonID, LastName, FirstName, Address, and City:ExampleGet your own SQL Server CREATE TABLE Persons ( PersonID int, LastName varchar(255), FirstName...
DROP COLUMN command is used to delete a column in an existing table. The following SQL deletes the "ContactName" column from the "Customers" table:Example ALTER TABLE CustomersDROP COLUMN ContactName; ❮ Previous ❮ SQL Keywords Reference Next ❯ ...
SQL Server / Oracle / MS Access: ALTERTABLEPersons ALTERCOLUMNCityDROPDEFAULT; MySQL: ALTERTABLEPersons ALTERCityDROPDEFAULT; DROP INDEX TheDROP INDEXcommand is used to delete an index in a table. MS Access: DROPINDEXindex_nameONtable_name; ...
The following SQL deletes the table "Shippers": Example DROPTABLEShippers; Note:Be careful before deleting a table. Deleting a table results in loss of all information stored in the table! TRUNCATE TABLE TheTRUNCATE TABLEcommand deletes the data inside a table, but not the table itself. ...
DROP VIEW command deletes a view. The following SQL drops the "Brazil Customers" view:ExampleGet your own SQL Server DROP VIEW [Brazil Customers]; ❮ Previous ❮ SQL Keywords Reference Next ❯ Track your progress - it's free! Log in Sign Up ...