Αποτελέσματα Αναζήτησης
This tutorial shows you how to use the CREATE GLOBAL TEMPORARY TABLE to create a new transaction or session-specific global temporary table.
- Private Temporary Table
Oracle Private Temporary Table. Summary: in this tutorial,...
- Private Temporary Table
Oracle 18c added private temporary tables, which are single-session in-memory objects. See the documentation for more details. Private temporary tables can be dynamically created and dropped. CREATE PRIVATE TEMPORARY TABLE ora$ptt_today_sales AS SELECT * FROM orders WHERE order_date = SYSDATE;
Oracle Private Temporary Table. Summary: in this tutorial, you will learn about Oracle private temporary table and how to use the CREATE PRIVATE TEMPORARY TABLE statement to create a new private temporary table. Introduction to Oracle private temporary tables.
Private Temporary Tables (PTTs) are local to a specific session. In contrast with Global Temporary Tables, the definition and content are local to the session that creates the PTT only and are not visible to other sessions.
Global Temporary Tables. Applications often use some form of temporary data store for processes that are to complicated to complete in a single pass. Often, these temporary stores are defined as database tables or PL/SQL tables.
In Oracle a Global Temporary Table (GTT) is a permanent metadata object that holds rows in temporary segments on a transaction-specfic or session-specific basis. It is not considered normal to create and drop GTTs on the fly.
A session becomes bound to a temporary table with an INSERT operation on the table. A session becomes unbound to a temporary table with a TRUNCATE statement or at session termination, or, for a transaction-specific temporary table, by issuing a COMMIT or ROLLBACK statement.
