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Which SQL statement is used to remove detailed statistical information from the sysdistrib catalog table?
UPDATE STATISTICS DISTRIBUTIONS ONLY
UPDATE STATISTICS LOW DROP DISTRIBUTIONS
UPDATE STATISTICS LOW REMOVE DISTRIBUTIONS
UPDATE STATISTICS MEDIUM REMOVE DISTRIBUTIONS
Which feature can be enabled in Informix?
Automatic addition of a CPU VP.
Automatic addition of an ADM VP.
Automatic extension of storage spaces.
Automatic addition of message log files.
Which parameter can automatically adjust other configuration parameters that are not present in the configuration file?
Given an OLTP environment with a very large table, which configuration parameter can be set to allocate more memory for sorting when building an index on the large table?
What is the purpose of the GRANT ADMIN privilege?
Grants the admin privilege to create role separation.
Grants the admin privilege to perform DBSA functions.
Grants the admin privilege to use the Open Admin Tool.
Grants the admin privilege to run SQL administration API commands.
Which log file CANNOT be rotated using the default "message log rotate" SQL admin command?
onbar debug log
onbar activity log
You are running an UPDATE statement on a table using dbaccess. What kind of lock type is expected?
You have started a violations table for a target table with a non default name. (For example: "START VIOLATIONS TABLE FOR customer USING exceptions, reasons;"). How can you determine the relationship between the violations table and the target table later?
Using dbschema utility
Using 'oncheck -pT' command
Querying sysdepends system catalog table
Querying sysviolations system catalog table
The 'onstat -k' output is showing '56 lock table overflows'. Which catalog table can be used to display the relevant lock statistics?
Which Informix utility can be used to customize the onconfig file?
How can you ensure to hold the an update lock until the end of a transaction when fetching rows from a cursor?
Use the 'Committed Read' isolation level.
Use the RETAIN UPDATE LOCKS clause with isolation level.
Use the 'Cursor Stability' isolation level along the WITH HOLD clause.
Use the SET TRANSACTION command to with SERIALIZABLE clause.
Which command line utility does NOT have the equivalent functionality using the SQL Administration API?
Which operation can benefit from PDQ?
Login Log flushing
IBM C2090-619 Exam (IBM Certified System Admin. Informix Server 12.10) Detailed Information
C2090-619 Test Information / Examination Information
Number of questions : 70 Time allowed in minutes: 90 Required passing score : 68% Languages : English
Test C2090-619: IBM Informix 12.10 System Administrator
Overview- selected tab,
Sample / Assessment Test
This certification exam certifies that the successful candidate has important knowledge, skills, and abilities necessary to install, administer and tune, configure, monitor, and troubleshoot Informix v12.10.
Section 1 - Installation and Configuration (17%)
Determine appropriate connection types and communication protocols
Plan for Distributed System capabilities
Determine the number and size and placement of logical and physical logs to accommodate transaction activity
Set up Operating System files and parameters
Knowledge of migration and upgrading
Knowledge of installation options
Knowledge of activation of built-in technologies
Knowledge of Dynamic and automatic configuration parameters
Understanding different operating modes
Knowledge of data movement utilities
Knowledge of Mobile database
Section 2 - Space Management (11%)
Configure and manage dbspaces and sbspaces
Knowledge of Online Table Management
Knowledge of dynamic storage
Knowledge of pro-active/reactive space allocation
Knowledge of fragmentation and database design
Knowledge of compression
Section 3 - System Activity Monitoring and Troubleshooting (13%)
Monitor and isolate problems using system databases
Monitor the message log file for abnormal activity
Use the Informix utilities to view information about the database server
Use the admin API to view information about the database server
SQL concurrency and locking
Section 4 - Performance Tuning (16%)
Configure shared memory parameters
Best practices for logical and physical design of dbspaces
Utilize Parallel Database Query (PDQ) to optimize query performance
Use UPDATE STATISTICS to achieve optimal performance
Manage network parameters for optimal communication performance
Knowledge of DSS vs OLTP tuning differences
Manage temporary tables and files
Knowledge of autonomic features of the engine
Section 5 - OAT and Database Scheduler (4%)
Knowledge of general OAT functionality
Understanding, using and administering tasks and sensors
Section 6 - Backup and Restore (10%)
Understand the different backup and restore tools, functionality, and levels
Configure Onbar parameters for optimal backup and restore performance
Configure ontape parameters for optimal backup and restore performance
Knowledge of archecker functionality
Understanding various restore options
Understanding and using Informix Primary Storage Manager (PSM)
Section 7 - Replication and High Availability (16%)
Demonstrate the ability to manage and configure ER
Demonstrate the ability to manage and configure GRID
Demonstrate the ability to manage and configure an H/A cluster
Demonstrate knowledge of Connection Manager
Demonstrate the ability to manage and use ifxclone
Knowledge of new replication and H/A cluster features
Performing rolling application and database software upgrades
Section 8 - Warehousing (4%)
Knowledge of general warehousing functionality in the engine
Knowledge of Informix Warehouse Accellerator (IWA)
Section 9 - Security (9%)
Knowledge of Non OS users
Knowledge of auditing
Knowledge of trusted context and trusted connections
Knowledge of authentication and authorization
Knowledge of privileges and roles
Demonstrate knowledge of session, replication and ondisk encryption
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