Almost every piece of code you write will requireconditional control, that is, the ability to direct the flow of execution through your program, based on a condition. You do this with IF-THEN-ELSE and CASE statements. There are also CASEexpressions; although not the same as CASEstatements, ...
The control-of-flow language is similar between PL/SQL and Transact-SQL. The control-of-flow language controls the flow of execution of SQL statements, statement blocks, and stored procedures.See Also In Other Volumes "Control-of-Flow" in Microsoft SQL Server Database Developer's Companion ...
statement does not. The result set from a SELECT statement can contain zero rows, one row, or many rows. Stored procedures can also return an integer value, called a return code, that indicates the execution status of the procedure. In that case, the result set consists of a single row....
However, dbproc2 is effectively blocked on dbproc1 at the application layer as the single thread of execution for the application is in use by dbproc1. This results in a deadlock that SQL Server can't detect or resolve because only one of the resources involved is a SQL Server resource...
Example 4: The following example illustrates the flow of execution in a hypothetical case where an UNDO handler is activated from another condition as the result of RESIGNAL: CREATE PROCEDURE A() LANGUAGE SQL CS1: BEGIN ATOMIC DECLARE C CONDITION FOR SQLSTATE '12345'; DECLARE D CONDITION FOR ...
Changing the Flow of Execution To change the flow of execution, GOTO can be used within a TRY block or a CATCH block. GOTO can also be used to exit a TRY block or a CATCH block; however, GOTO cannot be used to enter a TRY block or a CATCH block. ...
The data flow task in SSIS (SQL Server Integration Services) sends data in series of buffers. How...Date: 05/11/2007Implement Parallel Execution in SSISSQL Server Integration Services (SSIS) allows parallel execution in two different ways. These are...Date: 05/11/2007...
Category Execution: Rpc_completed Rpc_starting Sql_batch_completed Sql_batch_starting Category Lock Lock_deadlock Category Session Existing_connection Login LogoutIdentify and resolve common blocking scenariosBy examining the above information, you can determine the cause of most blocking problems. The ...
The beauty of this design is that all exception-related activity is concentrated in one area in the PL/SQL block, making it easy for developers to understand and maintain all error management logic. Let’s look at the flow of execution in a block when an error occurs (seeFigure 1). The...
Thejava.sql.SQLSyntaxErrorExceptionis a subclass of thejava.sql.SQLExceptionclass, which represents an error that occurred during SQL statement execution. The specific error messageTable 'flowable.act_ge_property' doesn't existindicates that the table namedact_ge_propertyis missing in theflowabledata...