Can we return temporary table in stored procedure?
YES YOU CAN. In your stored procedure, you fill the table @tbRetour . The return type of a procedure is int.
How do I create a temporary table in Netezza?
40 second suggested clip0:384:02Let’s Learn Netezza! Lesson 32: Creating and Populating Temporary …YouTubeStart of suggested clipEnd of suggested clipKey the table is created empty. But then you have to do an insert select to populate the tableMoreKey the table is created empty. But then you have to do an insert select to populate the table that’s called materializing the table from that point further you query this table all session.
What is Reftable in Netezza?
Define your stored procedure with a return value of “RETURNS REFTABLE ()” to indicate that it returns a result set that looks like the specified table. Inside the body of the procedure, use the variable REFTABLENAME to refer to the results table.
Are temp tables required to drop a stored procedure?
If you are wondering why it is not required to drop the temp table at the end of the stored procedure, well, it is because when the stored procedure completes execution, it automatically drops the temp table when the connection/session is dropped which was executing it.
How long does a temp table last in SQL?
Temporary tables can have a Time Travel retention period of 1 day; however, a temporary table is purged once the session (in which the table was created) ends so the actual retention period is for 24 hours or the remainder of the session, whichever is shorter.
How do you access a temporary table in Netezza?
Use the SHOW TEMP TABLE command to display all of the temporary tables that currently exist on the system.
How do I create a table from one table to another in SQL?
Answer: To do this, the SQL CREATE TABLE syntax is: CREATE TABLE new_table AS (SELECT * FROM old_table WHERE 1=2); For example: CREATE TABLE suppliers AS (SELECT * FROM companies WHERE 1=2);
What happens if you don’t drop a temp table?
if you do not drop the temp table, then call the dbo. MyProc again in the same session, you will get an exception thrown when the code tries to create the temp table again.
Do you need to drop temp tables SQL?
No… you don’t need to drop temp tables. That notwithstanding, I tend to do a conditional drop at the beginning of a sproc and it has nothing to do with any effect on the spoc. Rather, they are an artifact from development and testing prior to conversion to a stored procedure.
How do I drop a temp table in SQL?
Using the DROP TABLE command on a temporary table, as with any table, will delete the table and remove all data. In an SQL server, when you create a temporary table, you need to use the # in front of the name of the table when dropping it, as this indicates the temporary table.
How to use Netezza temporary tables?
Netezza temporary tables are local to the user session. You can use temporary table repeatedly within a user session for multiple times. Like derived tables, temporary tables also use Netezza swap partition space. You can drop and recreate the temporary table within the user session.
What is Netezza stored procedures?
QA environment) other than in the development environment? IBM Netezza stored procedures combine the benefits of SQL to query and manipulate database information with the benefits of a procedural programming language to handle data processing, transaction logic, and application branching behaviors.
How to get the information of all objects in Netezza?
To do this, we have to introduce a user view named _v_relation_column. This is a Netezza user view that describes the information of all the objects in Netezza, which includes object name, owner, create date, object type, attribute number, attribute name, attribute type, and not null indicator.