Search for tag: "database"

What is a Database?

In this video, Aisha Syed explains what a database is and what their benefits are, as well as a discussion of database architectures and the database-as-a-service (DBaaS).

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From  chq_master_librarians

Move data of any size across any distance with IBM Aspera

If you could move your data anywhere in the world 100 times faster than today, how would it transform your business? This video will show how IBM Aspera can help you move large…

From  chq_master_librarians

What is a Database?

In this video, Aisha Syed explains what a database is and what their benefits are, as well as a discussion of database architectures and the database-as-a-service (DBaaS).

+5 More
From  chq_master_librarians

Unit 5, Section 9: Bidirectional Implementation Comparison and Conversion

This video describes cost and benefits of physical versus virtual bidirectional pairing. The video also describes what changes are required if you convert virtual pairing to physical pairing.

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From  698000F1VG 698000F1VG

Unit 11, Section 8: Virtual Pairing to Physical Pairing Conversion

This video describes what conversions are possible and costs to doing such conversions.

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Unit 11, Section 7: Changing Pointers, Segments, and Database Structures

This video describes when you might change pointer types, segment layouts, and database structures.

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Unit 11, Section 6: Reasons to Change Databases

This video looks at reasons to change and not to change database types. For example, you might change databases if new functions are required by an application. However, you likely don’t need…

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From  698000F1VG 698000F1VG

Unit 11, Section 5: Physical versus Virtual Implementation Design Summary

This video describes performance design considerations as discussed in previous videos for both physical and virtual implementations.

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Unit 11, Section 4: Sequence Field Considerations

This video describes In general, application programs are coded to expect there to be sequence fields. However, if applications don’t require them, avoid the use of sequence fields…

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Unit 11, Section 3: Pointer Selection

This video looks at the pointer selection process and the content of logical child segments depending on the choice selected for LP pointers.

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Unit 11, Section 2: Physical versus Virtual Pairing

This video compares the main differences between physical and virtual bidirectional pairing.

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Unit 11, Section 1: Physical Implementation and Alternatives and Rules

This video reviews the different types of IMS logical relationships and physical implementation rules.

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Unit 10, Section 17: DL/I Call Image Trace

The DL/I call Image Trace is useful for performance and regression testing. When activated, it will capture the calls executed by an IMS application program to some data set and optionally format…

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Unit 10, Section 16: High Speed Sequential Retrieve (HSSR)

Similar to PSSR, using HSSR is not specific to databases with logical relationships. Its purpose is to optimize sequential access of a database, including those with logical relationships, by…

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Unit 10, Section 15: HDAM Physical Sequence Sort/Reload (PSSR)

PSSR is not really a logical relationship-specific tool. For HDAM or PHDAM databases, HD Programs, such as the HD Unload Utility or HP Unload, will sequence roots and their dependent segments, in…

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Unit 10, Section 14: IMS High Performance Load

Similar to the Pointer Checker tool, High Performance Load is an add-on cost tool available from IBM for which other vendors provide similar functionality. The High Performance Load tool can reload…

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