A DB2 bind is a process that builds an access path to DB2 tables.
Latest Answer : A BIND process establishes a relationship between an APPLICATION PROGRAM and its RELATIONAL DATA. ...
An access path is the method used to access data specified in DB2 sql statements.
An application plan or package is generated by the bind to define an access path.
Latest Answer : DB2 plan is executable form of sql staements(DBRM).you can define DB2 plan as set of pointers to packages. And package contains machine code of best access paths. ...
The explain statement provides information about the optimizer's choice of access path of the sql.
Latest Answer : The EXPLAIN statement obtains information about access path selection for an explainable statement. A statement is explainable if it is a SELECT or INSERT statement, or the searched form of an UPDATE or DELETE statement.The information obtained is placed ...
An embedded sql statement may return a number of rows while the programming language can only access one row at a time. The programming device called a cursor controls the position of the row.
Latest Answer : hi friends, In DB2 actually we use CURSOR when there are more than one row to be fetched in a SELECT statement. ...
I/O operations are usually most critical for DB2 performance (or any other database for that matter).
Latest Answer : I'm sorry, but the answer is a firm "It depends."Depending on various factors, most MVS boxes run short on either CPU or I/O. These factors include, workload, time of day, day of the week, etc. A capacity planner could give you a better list, but these ...
The database descriptor, DBD is the DB2 component that limits access to the database whenever objects are created, altered or dropped.
To maintain the integrity of DB2 objects the DBD permits access to only on object at a time. Lock contention happens if several objects are required by contending application processes simultaneously.
A lock is the mechanism that controls access to data pages and tablespaces.
Latest Answer : Lock is a DB2 mechanism by which DB2 can provide Concurrency and Consistency at the same time(not exactly). Based on the SQL statement DB2 provides different types of locks. They are 1. ...
a.TSOb.CICSc.IMSd.BATCHe.All the above can access DB2.
All the above can access DB2.
Latest Answer : all the given environments caln access db2 ...