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C1000-122 exam Format | C1000-122 Course Contents | C1000-122 Course Outline | C1000-122 exam Syllabus | C1000-122 exam Objectives

Exam Code: C1000-122

Exam Name: Db2 12 for z/OS DBA Fundamentals

Number of questions: 63

Number of questions to pass: 44

Time allowed: 90 minutes

Status: Live



Section 1: Planning (12%)



- Db2 12 system requirements and supported z/OS levels

- Processor requirements (z196 and later, z13, z14, z15, z16)

- Memory requirements and buffer pool planning

- Installation methods: SMP/E, DB2 Installation CLIST, new function mode (NFM), catalog migration

- Migration from Db2 11 or earlier versions, fallback and fallback SPE

- Enabling new function mode (ENFM), catalog changes in V12

- DSNZPARM (ZPARM) parameters relevant to installation

- Subsystem parameters (DSNTIJUZ, DSN6SYSP, DSN6ARVP, DSN6LOGP, DSN6SPRM)

- Buffer pool sizing and attributes (BP0 to BP49, BP32K, page sizes 4K, 8K, 16K, 32K)

- Use of zIIP processors for DB2 workload offloading

- High availability and disaster recovery planning (Data Sharing, HADR, GDPS)

- Distributed Data Facility (DDF) planning and DRDA

- Storage requirements and use of SMS, extended addressability

- Function levels in Db2 12 (V12R1M500, M501, M502, M505, etc.)

- DSNZPARM

- IRLM

- EDM pool

- RDS pool

- DDF

- ZPARM

- function level

- CATMAINT

- ENFM

- fallback SPE

- zIIP

- SMS

- extended addressability

- data sharing group

- coupling facility





Section 2: Working with SQL and XML (15%)



- Data types: CHAR, VARCHAR, INTEGER, DECIMAL, DATE, TIME, TIMESTAMP, CLOB, BLOB, XML

- Basic SQL: SELECT, INSERT, UPDATE, DELETE, MERGE

- Joins: inner join, left/right/full outer join, cross join

- Subqueries: scalar, correlated, non-correlated, EXISTS, NOT EXISTS

- Common table expressions (CTE), recursive CTE

- SQL functions: scalar (COALESCE, NULLIF, CASE), aggregate (SUM, AVG, COUNT, MIN, MAX), string functions

- Grouping and HAVING clause

- UNION, UNION ALL, INTERSECT, EXCEPT

- XML data type, XML columns, XML storage (XML tablespaces)

- XML parsing and validation (XMLPARSE, XMLVALIDATE)

- Querying XML with SQL/XML functions: XMLQUERY, XMLEXISTS, XMLTABLE

- XML indexes and XML schema registration (XSR)

- Dynamic vs static SQL, parameter markers, PREPARE, EXECUTE IMMEDIATE

- predicate

- sargable predicate

- stage 1 predicate

- stage 2 predicate

- indexable predicate

- XMLTABLE

- XMLEXISTS

- XMLQUERY

- XMLPARSE

- XSR (XML Schema Repository)

- pureXML



Section 3: Security (12%)



- Authentication methods: z/OS (RACF, ACF2, Top Secret), LDAP, Kerberos

- Authorization IDs: primary, secondary, role, trusted context

- DB2 privileges: SYSADM, SYSCTRL, SYSOPR, DBADM, DBCTRL, DBMAINT

- Object privileges: SELECT, INSERT, UPDATE, DELETE, ALTER, INDEX, TRIGGER, EXECUTE

- Administrative authorities: PACKADM, SQLADM, DATAACCESS, ACCESSCTRL

- Row and column access control (RCAC): row permissions, column masks

- Multilevel security (MLS) and security labels

- Audit policies and audit trace

- Trusted context and role-based access

- Encryption: data at rest (z/OS dataset encryption), in-flight (DRDA encryption), application-level encryption

- SECADM authority

- RACF

- SYSADM

- DBADM

- DATAACCESS

- ACCESSCTRL

- RCAC

- row permission

- column mask

- trusted context

- role

- SECADM

- audit policy

- multilevel security



Section 4: Operations (15%)



- Starting and stopping DB2: START DB2, STOP DB2, STOP DB2 MODE(FORCE)

- DISPLAY commands: DISPLAY DATABASE, DISPLAY THREAD, DISPLAY UTILITY, DISPLAY DDF

- DB2 commands: -START RLIMIT, -TERM UTILITY, -ALTER BUFFERPOOL, -REFRESH DB2

- Utility execution: RUNSTATS, REORG, COPY, RECOVER, LOAD, UNLOAD, REPAIR

- Online schema changes: ALTER TABLE, ALTER INDEX, pending changes

- Backup and recovery: image copies (full, incremental), QUIESCE, BACKUP SYSTEM, RESTORE SYSTEM

- Log management: active log, archive log, BSDS, log preformatting

- Monitoring: -DISPLAY LOG, -DISPLAY BUFFERPOOL, -ACCESS DATABASE

- BSDS

- active log

- archive log

- image copy

- QUIESCE

- online REORG

- pending definition

- materialization

- TERM UTILITY

- DISPLAY THREAD

- CANCEL THREAD



Section 5: Data Concurrency (14%)



- Locking: lock escalation, lock avoidance, lock modes (IS, IX, S, U, X)

- Isolation levels: CS (cursor stability), RS (read stability), RR (repeatable read), UR (uncommitted read)

- Claim and drain process

- Deadlock and timeout detection (IRLM parameters)

- Bind options: ACQUIRE(USE/ALLOCATE), RELEASE(COMMIT/DEALLOCATE), ISOLATION(CS/RS/RR/UR)

- Currentdata option and blocking

- Lock avoidance with CS and lock skipping

- LOB and XML locking behavior

- lock escalation

- lock avoidance

- claim

- drain

- deadlock

- timeout

- IRLM

- isolation level

- cursor stability

- read stability

- uncommitted read

- CURRENTDATA



Section 6: Application Design (15%)



- Bind options and package management

- REOPT(ONCE/ALWAYS/NEVER), PLANMGMT, APREUSE

- Static vs dynamic SQL performance considerations

- Use of global temporary tables (DGTT), declared temporary tables

- Sequence objects and identity columns

- Triggers: BEFORE, AFTER, INSTEAD OF

- Stored procedures: native SQL procedures, external procedures

- Versioning of packages (APPLCOMPAT)

- Concentration of packages and thread reuse

- High performance DBATs in DDF

- package

- collection

- version

- APPLCOMPAT

- REOPT

- PLANMGMT

- APREUSE

- DGTT

- sequence

- trigger

- native SQL procedure

- high performance DBAT



Section 7: Working with Database Objects (15%)



- Tablespaces: partitioned, universal (PBG, PBR), segmented, LOB tablespaces

- Indexes: unique, non-unique, partitioning index, index on expression, DPSI

- Index page sizes and compression

- Cloning tables and databases

- Temporal tables: system-period temporal, application-period temporal, bitemporal

- Views, materialized query tables (MQT), aliases

- Constraints: primary key, unique, foreign key, check constraint

- Storage groups (STOGROUP), volumes, VCAT vs SMS

- Altering objects: ALTER TABLESPACE, ALTER INDEX, deferred alters

- universal tablespace

- PBG

- PBR

- partition-by-growth

- partition-by-range

- DPSI

- expression-based index

- temporal table

- history table

- STOGROUP

- clone table

- pending alter

- immediate alter

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