What does a DB2 rebind do?

What does a DB2 rebind do?

The REBIND command will commit the transaction if auto-commit is enabled. This command: Provides a quick way to re-create a package. This enables the user to take advantage of a change in the system without a need for the original bind file.

What is BIND and REBIND in DB2?

You can bind or rebind the DB2® Plans, as needed, by selecting Option 5 on the main Install menu. The introduction of DB2 Package Versioning enables you to issue a PACKAGE BIND replace, without affecting the existing plan bind.

How do I bind a package?

To bind a package, we will use the parameter BIND PACKAGE along with the DBRM name in the MEMBER parameter. On the other hand, to bind a plan we will use BIND PLAN parameter along with the package name in PKLIST parameter.

What is BIND DB2?

DB2 Bind compiles all your sql statements(dbrm) into an executable format. It uses DB2 Optimizer to create the better access path.

What is db2rbind?

db2rbind – Rebind all Packages Examines all packages in a database, and rebinds those packages which are marked as invalid, so that they are not rebound implicitly during application execution.

What is Sqlca in Db2?

SQLCA. SQLCA is a SQL communication area through which DB2 passes the feedback of SQL execution to the program. It tells the program whether an execution was successful or not. There are a number of predefined variables under SQLCA like SQLCODE which contains the error code.

What is cursor in Db2?

Db2 has a mechanism called a cursor . Using a cursor is like keeping your finger on a particular line of text on a printed page. In Db2, an application program uses a cursor to point to one or more rows in a set of rows that are retrieved from a table.

What is package in mainframe?

A package contains control structures that Db2 uses when it runs SQL statements. An application plan relates an application process to a local instance of Db2 and specifies processing options. Packages are produced during program preparation.

What is binding in mainframe?

In the bind process, the SQL statements in the DBRM are put into an operational (“bound”) form, by being translated into the control structures that DB2 uses when it runs SQL statements.

What is DB2I?

DB2I is a series of ISPF panels and CLISTs that can increase the TSO DB2 developer’s productivity. DB2I provides many features that can be exploited by the TSO user to query and administer DB2 data.

How do I stop processing in DB2I?

Once DB2I begins to execute the functions you have selected, the only way to discontinue processing is to issue an INTERRUPT to the system by pressing the PA1 key. When you press Enter the first time, you are taken to PRECOMPILE. You could have also gone directly to the screen from the (PRIMARY OPTION MENU option 4.

What is the default number of DB2 connection retries per thread?

Item 2, DB2 CONNECTION RETRIES, can be the default, 0, for the number of retries to execute if thread connection to DB2 fails.

What is the difference between run and bind in SAP?

BIND is normally much preferred because with BIND, the checking is done once, at BIND time while with RUN, the checking is done each time the plan is executed. You will need to code RUN if the tables accessed in the plan do not yet exist, but we suggest that you then rebind it with BIND at PLAN VALIDATION TIME as soon as possible.