When do you use cursors in IBM DB2?

When do you use cursors in IBM DB2?

IBM Db2 Cursors A cursoris used in an application program to select a set of rows and then process that returned data one row at a time. When a SELECT statement in an embedded SQL application returns multiple rows of data, you need a mechanism that makes this returned data or result set available to your application program, one row after another.

When to use cursors in an embedded SQL program?

When a SELECT statement in an embedded SQL application returns multiple rows of data, you need a mechanism that makes this returned data or result set available to your application program, one row after another. Cursors | IBM Db2 United States EnglishEnglish IBM® Site map SearchSearch in Db2 version 11.5 KC Db2 product hub Home Db2 Roles

When does the cursor close in SQL Server?

All other open cursors in an SQL procedure are closed when the SQL procedure ends. Within an external procedure (one not defined using LANGUAGE SQL), the default for all cursors is WITH RETURN TO CALLER.

Can a cursor be declared as a result set in SQL?

Within an external procedure (one not defined using LANGUAGE SQL), the default for all cursors is WITH RETURN TO CALLER. Therefore, all cursors that are open when the procedure ends will be considered result sets. Cursors that are returned from a procedure cannot be declared as scrollable cursors.

Can you have more than one XML column in DB2?

This remains a restriction in Db2-Linux/Unix/Windows up to and including Db2 v11.5. This restriction only applies to tables with more than one XML column. You can workaround in various ways, for example create a new table and copy the existing data into it etc, or arrange your physical data model differently.

How to solve for loop in DB2 stored procedure?

The loop works correct with the example below: When I instead try this below it fails. I want to extract results from a certain table with the help of the variables I declared, and only DO something (in this example case an insert) if the result contain any rows: How can I solve this?