Tool:PL/SQL developer Syntax:SELECT 'DROP TABLE ' || table_name || ';' FROM user_tables; 1.then you can copy select result in command widows. 2.you can export select result and editor script import database. weblink:https://stackoverflow.com/questions/26968999/oracle-drop-multiple-table...
Comparing TRUNCATE TABLE, DELETE, and DROP TABLE in SQL What Is the DELETE Statement in SQL? See also: How to Remove a Primary Key in SQL How to remove a unique constraint in SQL? How to Delete a Column in SQL How to Delete a Foreign Key Constraint in SQL How to Delete a Row in...
The above query will drop the table ‘STUDENTS,’ i.e., the data and table definition for the table will be removed. So we need to be careful before executing a drop statement, as all the information related to the table will be removed from the database. How to Delete Table in SQL?
Write a SQL query to drop multiple tables within a single transaction to ensure atomicity. Write a SQL query to drop a temporary table, checking its existence first to avoid runtime errors. Write a SQL query to drop a schema-qualified table with special characters in its name using proper ...
1. Using SQL Query: Having some foreign key constraints might prevent you from executing drop table, so the first thing you should do is to temporarily disable all the foreign key constraints in order for the drop statements work: SET FOREIGN_KEY_CHECKS = 0; ...
Proceed to dump the database usingmysqldumpand drop the tables mysqldump --add-drop-table --no-data -u rootuser -p database_name|grep'DROP TABLE'>>./temp.sql Re-enable foreign key checking in the console. echo"SET FOREIGN_KEY_CHECKS = 1;">>./temp.sql ...
1. What happens to the data in a temporary table after you use the DROP TABLE command? It is deleted It is saved to another system table It is copied to a temporary file and deleted It is saved for 30 days. 2. Examine the following code. What type of table is orders_temp? Lo...
SQL UNION – Syntax, Examples, and Use Cases SQL Functions: What is It and Exploring Its Various Types How to Run Function in SQL? Replace in SQL: Usage and Implementation of REPLACE() Function ALTER TABLE Statement in SQL – ADD, DROP, MODIFY, RENAME ...
Drop table if exists: We can write a statement as below in SQL Server 2016 to remove a stored table if it exists. DROP TABLE IF EXISTS dbo.temp The output will be like this. Drop table by using the new method Drop procedure if exists: ...
EXECUTE(@sql_3) GO /* Drop tables */ EXECsp_MSForEachTable'DROP TABLE ?' GO Method 2: Here is the old method which I’ve used before. This method does not consider system versioned tables (temporal tables). Otherwise, it’s similar to the first method. Here I’ve used cursors. ...