SQL Server Cursor – Examples Let’s now take a look at two cursor examples. While they are pretty simple, they nicely explain how cursors work. In the first example, we want to get all cities ids and names, together with their related country names. We’ll use the PRINT command to ...
All access to cursors in PL/pgSQL is performed through cursor variables, which are always of the refcursor data type. Examples Declare a Cursor The following table includes the DECLARE..CURSOR options that are Transact-SQL extended syntax have no equivalent in P...
In Aurora MySQL, cursor declarations appear before handler declarations and after variable and condition declarations. Similar to SQL Server, you can declare cursors with the DECLARE CURSOR statement. To open a cursor, use the OPEN statement. To fetch a cursor, use the...
The future The initial release will see read-only cursors, but we're looking into extending that down the road with updateable cursors. Immediately I want to state the obvious, that this will have similar restrictions to the RequestLive property in TnxQuery: not all sql statements can be upda...
Applies to: SQL ServerReturns information about the cursors that are open in various databases.SyntaxCopiere dm_exec_cursors (session_id | 0 ) Argumentssession_id | 0 ID of the session. If session_id is specified, this function returns information about cursors in the s...
loops when it comes to row-by-row processingI would ask you what you are doing with that ...
Guide to Cursors in PostgreSQL. Here we discuss the Cursors actions in PostgreSQL along with the Examples and importance.
Oracle 11g allows the two-way conversion between ref cursors toDBMS_SQLcursors, as describedhere. 12c Updates Oracle 12c allows implicit statements results, similar to that seen in Transact-SQL, as describedhere. For more information see:
Requires VIEW SERVER STATE permission on the server. Examples A. Detecting old cursors This example returns information about cursors that have been open on the server longer than the specified time of 36 hours. SELECT creation_time, cursor_id, name, c.session_id, login_name FROM sys.dm_exec...
Specifies that the scope of the cursor is local to the batch, stored procedure, or trigger in which the cursor was created. Global Specifies that the scope of the cursor is global to the connection.ExamplesA. Detecting old cursorsThis example returns information about cursors that have been ope...