Implicit Cursor The system generates and uses these types of cursors to manipulate a DML query (INSERT, UPDATE, and DELETE). In addition, a system also generates an implicit cursor when a SELECT command selects a single row. Explicit Cursor This type of cursor is generated by the user using...
ERROR [42000] [Sybase][ODBC Driver][Adaptive Server Enterprise]Implicit conversion ERROR [42S02] [Microsoft][ODBC Excel Driver] The Microsoft Jet database engine could not find the object. ERROR [IM002] [Microsoft][ODBC Driver Manager] Data source name not found and no default driver specifie...
My doubt is how this condition work in background and what are all the pros while using the condition in ON clause and WHERE clause in sql server
CURSOR: cursor is a handle or pointer to the context area. Related Answered Questions PL/SQL block cursor Cursor and bulk collect Difference between impicit index and explicit cursor What is the use parameterized cursor in PL/SQL ? Oracle cursors in PL/SQL ...
Tutorial #5:Subprograms: PL SQL Procedures And Functions With Examples Tutorial #6:PL SQL Collections: Nested Table, Associative Array And Varray Tutorial #7:PL SQL Cursor And Strings: Tutorial With Code Examples Tutorial #8:PL SQL Records Tutorial With Examples ...
1 100 2 200 3 45 4 2 LIKE THIS MY STORED PROCEDURE IS LIKE THIS CREATE PROCEDURE BUYLOTTOGAME BEGIN TRANS SELECT @COUNT=COUNT FROM TABLENAME WITH UPDLOCK WHERE ID=@ID IF @COUNT>=@SOMECOUNT BEGIN ROLLBACK TRAN RETURN END UPDATE TABLENAME SET COUNT=COUNT+@INCONT WHERE ID=@ID ...
'cannot access the file' when run as an SQL Agent Job (works when executed from BIDS) 'DECODE' is not a recognized built-in function name. 'DTEXEC.EXE' is not recognized as an internal or external command, 'gacutil' is not recognized as an internal or external command 'http://schemas...
"Using Cursor Expressions" Multilevel Collections You can nest the collection types, for example to create aVARRAYof PL/SQL tables, aVARRAYofVARRAYs, or a PL/SQL table of PL/SQL tables. You can model complex data structures such as multidimensional arrays in a natural way. ...
drivers = [driver for driver in pyodbc.drivers()]print(drivers) Executing SQL Queries: After establishing a connection, SQL queries can be executed. cursor = conn.cursor()cursor.execute("SELECT * FROM table_name") Fetching Results: Retrieve all results or just one. rows = cursor.fetchall()...
If for some reason, we want to returncursor*to the client, the order of the cursor elements may differ depending on the collation and the encoding of the sorted column(s). Note: A query with a presentation ORDER BY clause i.e. the one that is not coupled with the TOP clause, returns...