Can a function return 2 values Oracle?
A function always returns one value. Now you can of course go ahead and ‘encode’ two values into one. That is have the function return one value that basically represents (in some way) two concatenated values.
Can we return table from function in Oracle?
With collections and the table() function, a function can return a table that can be queried in an SQL statement.
What is Sys_refcursor?
SYS_REFCURSOR. Specifies that the data type of the cursor variable is the built-in SYS_REFCURSOR data type.
What are ref CURSORs in Oracle?
A REF CURSOR is a PL/SQL data type whose value is the memory address of a query work area on the database. In essence, a REF CURSOR is a pointer or a handle to a result set on the database. REF CURSOR s are represented through the OracleRefCursor ODP.NET class.
How can a function return multiple values in Oracle?
SQL> create or replace 2 type three_values as object 3 ( val_1 int, 4 val_2 date, 5 val_3 varchar2(10) 6 ); 7 / Type created. SQL> SQL> create or replace 2 function f return three_values is 3 begin 4 return 5 three_values(1,sysdate,’hello’); 6 end; 7 / Function created.
How can I return multiple values from a function in SQL?
For this question answer will be Yes functions will return either single or multiple values. Generally SQL Server functions will return only one parameter value if we want to return multiple values from function then we need to send multiple values in table format by using table valued functions.
Can a function return a table?
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.
What is out Sys_refcursor in Oracle?
SYS_REFCURSOR is a predefined weak ref cursor which means we do not have to define it into our code like we did with the explicit weak ref cursor in the previous tutorial. As we learnt in that tutorial that creating a weak ref cursor is a two-step process.
How many values can a function return Oracle?
Can Oracle PL/SQL function return more than 1 value? Function by its property can return only one value, whatever programming language you use.