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...
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; Then you list all the available...
The reason why you can’t outright drop all tables in a single line of code is that in a sizeable and well-designed database, there will likely be a lot of foreign key constraints. SQL Query to Drop All Tables The first thing to do is to make it so that dropping tables do not nee...
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 ...
Keep in mind that if there are tables with foreign keys that reference the soon-to-be deleted table, you should first drop these keys or remove the relationship between tables. Recommended courses: The Basics of Creating Tables Data Types in SQL SQL Constraints Recommended articles: What Is the...
I have a schema with many tables and I want to get rid of some of them. How in Workbench (trying out the 5.2beta) do I select then drop multiple tables? In the SQL Editor viewing the tables in the schema, I can select the ones I want to drop, but I cannot see how to actually...
How to Alter Table In SQL? We use the ALTER table statement to modify the columns which exist in the tables currently. Also, with this same statement, we can drop or add different constraints to the table. Below is the syntax to add a new column to the existing table: ...
Create a Database in SQL in Minutes Table in SQL – Learn about Records and Fields SQL Data Types: A Beginner’s Guide How to Create and Drop Tables in SQL? SELECT Query in SQL – Master the Basics SQL SELECT DISTINCT SQL INSERT INTO Statement ...
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: Now we will drop the stored procedure we created at the start of the...
Additional Learning You can add to your grasp of the subject with the lesson entitled SQL DROP Temp Table: Tutorial & Explanation. The lesson will cover the following: When it is necessary to create a temp table Why temp tables are useful Deleting dataPractice Exams You...