What is pipelined table function in Oracle example?

Pipelined table functions include the PIPELINED clause and use the PIPE ROW call to push rows out of the function as soon as they are created, rather than building up a table collection. Notice the empty RETURN call, since there is no collection to return from the function.

What is Pipe Line function in Plsql?

Pipelining enables a table function to return rows faster and can reduce the memory required to cache a table function’s results. A pipelined table function can return the table function’s result collection in subsets. The returned collection behaves like a stream that can be fetched from on demand.

How do I join a table in Oracle SQL Developer?

Introduction to Oracle INNER JOIN syntax

1. First, specify the main table in the FROM clause, T1 in this case.
2. Second, specify the joined table in the INNER JOIN clause followed by a join_predicate . The joined table is T2 in the above statement.
3. Third, a join predicate specifies the condition for joining tables.

How do you loop through a table in PL SQL?

To copy all rows from one table to another: insert into table2 (x,y) select a, b from table1; It is a simple SQL query, it can be used as is or inside a PL/SQL procedure. There is a lot of possibilities to iterate all rows of a table….1 Answer

1. Using cursors.
2. Using collections.
3. Using dynamic SQL and dbms_sql package.

Which of the below is the one of the benefits of using Plsql?

PL/SQL has these advantages:

• Tight Integration with SQL.
• High Performance.
• High Productivity.
• Portability.
• Scalability.
• Manageability.
• Support for Object-Oriented Programming.
• Support for Developing Web Applications.

What happens when rows are found using fetch statement?

The FETCH statement retrieves rows of data from the result set of a multiple-row query—one row at a time, several rows at a time, or all rows at once—and stores the data in variables, records, or collections.

What is a table-valued function in SQL Server?

A table-valued function is a user-defined function that returns data of a table type. The return type of a table-valued function is a table, therefore, you can use the table-valued function just like you would use a table.

How do you cross join in Oracle?

Oracle Cross Join (Cartesian Products) The CROSS JOIN specifies that all rows from first table join with all of the rows of second table. If there are “x” rows in table1 and “y” rows in table2 then the cross join result set have x*y rows. It normally happens when no matching join columns are specified.

What are the joins in Oracle?

There are 4 different types of Oracle joins:

• Oracle INNER JOIN (or sometimes called simple join)
• Oracle LEFT OUTER JOIN (or sometimes called LEFT JOIN)
• Oracle RIGHT OUTER JOIN (or sometimes called RIGHT JOIN)
• Oracle FULL OUTER JOIN (or sometimes called FULL JOIN)

How do you run a loop in SQL?

Syntax

1. The initial step is executed first, and only once. This step allows you to declare and initialize any loop control variables.
2. Next, the condition, i.e., initial_value ..
3. After the body of the for loop executes, the value of the counter variable is increased or decreased.
4. The condition is now evaluated again.

What happens when rows are found using a fetch statement?