How do I drop multiple tables in SQL Developer?

How do I drop multiple tables in SQL?

You can drop one or more tables by using the DROP TABLE command, which can be executed from the Analyze page or any connected SQL client. To drop a single table, enter DROP TABLE “S”. “X” , where S is the schema and X is the table name. To drop several tables, enter DROP TABLE “S”.

How do I drop all tables in SQL Developer?

select ‘drop table ‘||table_name||’ cascade constraints;’ from user_tables; This will print out a series of drop commands for all tables in the schema. Spool the result of this query and execute it.

How do I export multiple tables in SQL Developer?

Exporting Multiple Tables To A Single Excel File… Using SQL Developer’s Cart

  1. Step 1: Open the Cart. Open the Cart.
  2. Step 2: Add your objects. Add your objects.
  3. Step 3: Tell us what you want. Uncheck DDL, check Data. …
  4. Step 4: Export. Click the export button.
  5. Step 5: Set your export options. …
  6. Step 6: Open the Excel file.
THIS MEANING:  Can I learn JavaScript before HTML and CSS?

How do I drop multiple tables at a time?

We can use the following syntax to drop multiple tables: DROP TABLE IF EXISTS B,C,A; This can be placed in the beginning of the script instead of individually dropping each table. Maybe it’s worth pointing out that the tables don’t need to have any relationship at all.

Can we drop a table or column which has primary key?

We can remove PRIMARY KEY constraint from a column of an existing table by using DROP keyword along with ALTER TABLE statement.

How can I delete two tables in one query?

To delete rows from both tables where there are matching id values, name them both after the DELETE keyword: DELETE t1, t2 FROM t1 INNER JOIN t2 ON t1.id = t2.id; What if you want to delete nonmatching rows?

How do I force a table to drop in Oracle?

Syntax

  1. DROP [schema_name]. TABLE table_name.
  2. [ CASCADE CONSTRAINTS ]
  3. [ PURGE ];

How can I see all tables in Oracle?

The easiest way to see all tables in the database is to query the all_tables view: SELECT owner, table_name FROM all_tables; This will show the owner (the user) and the name of the table. You don’t need any special privileges to see this view, but it only shows tables that are accessible to you.

What Cannot have a trigger associated with it?

Since triggers execute as part of a transaction, the following statements are not allowed in a trigger: All create commands, including create database, create table, create index, create procedure, create default, create rule, create trigger, and create view. All drop commands. alter table and alter database.

THIS MEANING:  What is backup and types of backup in SQL Server?

How do I export multiple tables in SQL Server?

Exporting Tables Using SQL Server Management Studio

  1. Right-click on the database that contains tables you wish to export. …
  2. Click Next > on the Introduction page. …
  3. On the Choose Objects page, select all of the tables you wish to export. …
  4. On the Set Scripting Options page, select Save scripts to a specific location.

Which command will return a list of triggers?

SHOW TRIGGERS lists the triggers currently defined for tables in a database (the default database unless a FROM clause is given). This statement returns results only for databases and tables for which you have the TRIGGER privilege.

Can we drop multiple tables at a time in Oracle?

Simply click the tables (using shift and ctrl if you like), then click Drop.

How do you drop multiple tables with common prefix in one query?

How to drop multiple tables with common prefix in one query?

  1. DECLARE @query NVARCHAR(MAX) = N”;
  2. SELECT @query += ‘
  3. DROP TABLE ‘
  4. + QUOTENAME(s. name)
  5. + ‘.’ + QUOTENAME(t. name) + ‘;’
  6. FROM sys. tables AS t.
  7. INNER JOIN sys. schemas AS s.
  8. ON t.[ schema_id] = s.[ schema_id]