How do I Drop multiple tables at once?

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”.

Can you Drop multiple tables in the same statement?

Example 2: Drop multiple tables together using the SQL DROP Table statement. We can drop multiple tables together using a single DROP Table statement as well.

How do I Drop all the tables?

How to drop all tables in MySQL?

  1. SET FOREIGN_KEY_CHECKS = 0;
  2. SELECT table_name FROM information_schema.tables WHERE table_schema = db_name;
  3. DROP TABLE IF EXISTS table1; DROP TABLE IF EXISTS table2; DROP TABLE IF EXISTS table3;
  4. SET FOREIGN_KEY_CHECKS = 1;
  5. echo “SET FOREIGN_KEY_CHECKS = 0;” > ./temp.sql.

How do I Drop multiple tables in hive?

8 Answers

  1. With a shell script : hive -e “show tables ‘temp_*'” | xargs -I ‘{}’ hive -e ‘drop table {}’
  2. Or by putting your tables in a specific database and dropping the whole database. Create table temp.table_name; Drop database temp cascade;

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]

How do I delete multiple tables in a single query?

Your eventID in all table will make it work. For deleting records from multiple tables: You could define Foreign Key constraints (which you have defined as EventID) for the other tables that reference the master table’s ID with ON DELETE CASCADE. This would cause the related rows in those tables to be deleted.

Can we delete multiple tables in SQL?

You can specify multiple tables in a DELETE statement to delete rows from one or more tables depending on the condition in the WHERE clause.

How do I drop all databases?

Drop All Databases in MySQL

  1. connect to a mysql dbms server and execute the command for showing all databases.
  2. Omit lines that match “Database” while printing.
  3. Omit lines with mysql,infomation_schema and test.

How do I drop multiple databases in Hive?

1 Answer. hive> drop databases like ‘s*’;

How do I DELETE multiple tables in a single query?

How do I drop multiple tables in SQL Developer?

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