Search for tag: "db fundamentals"

Modernize legacy applications with 31-bit COBOL and 64-bit Java interoperability

IMS clients can now modernize legacy applications using Java and COBOL. This video showcases how IMS customers use 31-bit COBOL and 64-bit Java interoperability to leverage their existing modern…

From  5500031CVP 5500031CVP

IBM IMS V15.3 Featured Product Enhancements

Check out the latest IBM IMS product enhancements released in V15.3: IMS Support for Z Security & Compliance Center 31-bit COBOL and 64-bit Java ™ Interoperability Performance…

From  5500031CVP 5500031CVP

Unit 0: Introduction to IBM Information Management System (IMS)

This video provides a brief overview of IMS components and architecture.

From  5500031CVP 5500031CVP

Unit 3, Section 7: HIDAM and PHIDAM Storage Format

This video discusses HIDAM databases, which provide all the function of HISAM but without the space-management drawbacks.

From  5500031CVP 5500031CVP

Unit 8, Section 13: Dynamic Resource Definition (DRD) Process Flow

This video describes DRD, which you can use to issue commands to create, update, and delete MODBLKS resources dynamically and to create programs or transactions, instead of running an IMS Gen.

From  5500031CVP 5500031CVP

Unit 8, Section 12: IMS Single Point of Control (SPOC) 

This video describes TSO SPOC, which is an ISPF application that is invoked by using the command DFSSPOC and can be used to control one or more IMS DBCTL, IMS DB/DC, or IMS DBCTL systems.

From  5500031CVP 5500031CVP

Unit 8, Section 11: Type 2 Commands: UPD and QRY TRAN Examples

This video describes several type-2 commands including the update resource and query transaction commands.

From  5500031CVP 5500031CVP

Unit 8, Section 10: IMSPlex Type 2 Commands Overview

This video introduces IMSplex-related Type 2 commands. These commands can be entered only through the OM interface.

From  5500031CVP 5500031CVP

Unit 8, Section 9: Operations Manager (OM)

This video describes the Operations Manager (OM), which is a server address space in the IMSplex. It acts as a common point of command entry into the IMSplex.

From  5500031CVP 5500031CVP

Unit 8, Section 8: Managing Shared IMS Resources and Common Service Layer (CSL)

This video describes how shared resources are managed in an IMSplex and the Common Service Layer, or CSL, that consists of additional address spaces providing systems management functions not…

From  5500031CVP 5500031CVP

Unit 8, Section 7: IMS Failure with Data Sharing and Fast Database Recovery (FDBR)

This video describes generally how failures are handled in a data sharing environment.

From  5500031CVP 5500031CVP

Unit 8, Section 6: Shared Virtual Storage Option (VSO)

This video describes Shared VSO that also uses a cache structure to store the contents of some or all of a DEDB area and the data stored in the CF is the “official” copy. The contents of…

From  5500031CVP 5500031CVP

Unit 8, Section 5: N-way Data Sharing and OSAM Caching

This video describes n-way data sharing, which allows up to 255 IMSs in up to 32 z/OSs to share the same set of databases with complete update authority (SHARELVL permitting). This technology…

From  5500031CVP 5500031CVP

Unit 8, Section 4: Data Sharing, Part 3 (Block-Level Data Sharing and Data Sharing Summary)

This video describes block-level sharing in more detail. IRLM coordinates lock requests between (and within) IMS systems to ensure that lock requests for any specific block at any given time are…

From  5500031CVP 5500031CVP

Unit 8, Section 3: Data Sharing, Part 2 (DBRC Share-Level Options)

This video describes how DBRC controls data sharing with share-level options. Unless a database is registered to DBRC with a SHARELVL set to 1, 2, or 3, IMS and DBRC code will prevent a database from…

From  5500031CVP 5500031CVP

Unit 8, Section 2: Data Sharing, Part 1 (Data Sharing Requirement and DBRC Share-Level Options)

This video introduces data sharing, which provides two levels of sharing: database-level sharing and block-level sharing.

From  5500031CVP 5500031CVP