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13 Αυγ 2018 · I have a function (takes 2 parameters) that exists in my source DB and I am trying to call it from another DB using a DB Link. I am using the following code but I keep getting an error: SELECT SCHEMA.FUNC_NAME@DBLINK(PARAM1, PARAM2) FROM SCHEMA.TABLE_NAME@DBLINK;
A good way around this is to create a view in SCHEMA_B that exposes the table you want to access through the database link. This will also give you good control over who is allowed to select from the database link, as you can control the access to the view.
Linking tables, also known as junction tables or associative tables, play a key role in implementing many-to-many relationships between entities. Example. Let’s consider a scenario where you have two entities, such as “Students” and “Courses,” and each student can enroll in multiple courses, and each course can have multiple students.
SQL functions are used to perform calculations and manipulations on data stored in a relational database. There are many types of SQL functions, including aggregate functions, date functions, string functions, ranking functions, analytical functions, and math functions.
18 Φεβ 2003 · Hi, I want to use a PL/SQL function in a select from a table storaged in other = database: select item_type, item_key, STEP_NAME, ILO.GET_ROLE_USERS (assigned_user_display_name), ****************** activity_begin_date, ac….
Use the CREATE DATABASE LINK statement to create a database link. A database link is a schema object in one database that enables you to access objects on another database. The other database need not be an Oracle Database system.
SQL Server has many built-in functions. This reference contains string, numeric, date, conversion, and some advanced functions in SQL Server.
