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  1. The DROP INDEX statement allows you to drop an existing index. The syntax of the DROP INDEX statement is as simple as follows: DROP INDEX [schema_name.]index_name; Code language: JavaScript (javascript) In this syntax: First, specify an optional schema name to which the index belongs.

  2. Summary: in this tutorial, you will learn how to use the Oracle DROP TABLE statement to remove an existing table. Introduction to Oracle DROP TABLE statement. To move a table to the recycle bin or remove it entirely from the database, you use the DROP TABLE statement: DROP TABLE schema_name.table_name [CASCADE CONSTRAINTS | PURGE]; Code ...

  3. 2 cze 2014 · In Oracle, you can't mix both DDL and DML. In order to do so, you need to work it around with the EXECUTE IMMEDIATE statement. So, first check for the existence of the index. Second, drop the index through the EXECUTE IMMEDIATE statement.

  4. This Oracle tutorial explains how to use the Oracle DROP TABLE statement with syntax and examples. The Oracle DROP TABLE statement allows you to remove or delete a table from the Oracle database.

  5. 16 lut 2024 · Drop Index in Oracle SQL. To drop an index in Oracle SQL, you can use the following syntax: sql DROP INDEX index_name; Where index_name is the name of the index you want to drop. For example, to drop the index idx_customer_name, you would use the following command: sql DROP INDEX idx_customer_name; Output. The following is the output of the ...

  6. The SQL DROP INDEX command is a DDL (Data Definition Language) operation that is used to mark the index for deletion by removing one or more object unnecessary indexes from the database dictionary. This can be beneficial to free up some space in the system or when the index is no longer needed.

  7. Use the DROP TABLE statement to drop a blockchain or immutable table. It is recommended that you include the PURGE option while dropping these tables. Dropping a blockchain or immutable table removes its definition from the data dictionary, deletes all its rows, and deletes any indexes and triggers defined on the table.