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Informix dba


IBM Informix is a product family within IBM's Information Management division that is centered on several relational database management system (RDBMS) offerings.IBM has several database products with capabilities which overlap in some areas. Informix is often compared to IBM's other major database product, DB2, which is offered on the mainframe zSeries platform as well as on Unix and Linux. Speculation that IBM would combine Informix with DB2, or with other database products has proven to be unfounded.


    should have a working knowledge of Structured Query Language (SQL).


  • It is a 16 days program and extends up to 2hrs each.
  • The format is 40% theory, 60% Hands-on.

  • It is a 4 days program and extends up to 8hrs each.
  • The format is 40% theory, 60% Hands-on.
    Private Classroom arrenged on request and minimum attendies for batch is 4.

course content

  • Introduction to IDS Terminology
    • Define basic Informix Dynamic Server terms
    • Query the sysmaster database for information about the server
  • IDS Data Types
    • Identify the Informix data types
    • Choose the appropriate data type for a data column
  • Creating Databases and Tables
  • Create databases and tables
    • Determine database logging and storage requirements
    • Locate where the database server stores a table on disk
    • Create temporary tables
    • Locate where the database server stores temporary tables
    • Use the system catalog tables to gather information
    • Use the dbschema utility
  • Altering and Deleting Databases and Tables
    • Drop a database
    • Drop a table
    • Alter a table
    • Convert a simple large object to a smart large object
  • Create, Alter, and Drop Indexes
    • Build an index
    • Alter, drop, and rename an index
    • Identify the four index characteristics
  • Managing and Maintaining Indexes
    • Explain the benefits of indexing
    • Evaluate the costs involved when indexing
    • Explain the maintenance necessary with indexes
    • Describe effective management of indexes
    • Enable or disable indexes
  • Table and Index Partitioning
    • List the ways to fragment a table
    • Create a fragmented table
    • Create a detached fragmented index
    • Describe temporary fragmented table and index usage
  • Maintaining Table and Index Partitioning
    • Alter a fragmented table
    • Alter a fragmented index
    • Explain how to skip inaccessible fragments
  • Cost-Based Query Optimizer
    • Write queries that produce the following index scans:
    • Sequential with a temporary table
    • Sequential scan with filter
    • Key-only index scan
    • Index Scan: lower and upper index filters
    • Dynamic Hash Join
    • Key-first index scans
  • Updating Statistics and Data Distributions
    • Execute the UPDATE STATISTICS statement and explain the results
    • Use the system catalogs to monitor data distributions
  • Managing the Optimizer
    • Describe the effect on the engine of the different values of OPTCOMPIND
    • Describe the effects of setting the OPT_GOAL parameter
    • Write optimizer directives to improve performance
  • Referential and Entity Integrity
    • Explain the benefits of referential and entity integrity
    • Specify default values, check constraints, and referential constraints
    • Determine when constraint checking occurs
  • Managing Constraints
    • Determine when constraint checking occurs
    • Drop a constraint
    • Delete and update a parent row
    • Insert and update a child row
  • Modes and Violation Detection
    • Enable and disable constraints and indexes
    • Use the filtering mode for constraints and the indexes
    • Reconcile the violations recorded in the database
  • Concurrency Control
    • Use the different concurrency controls
    • Monitor the concurrency controls for lock usage
    • Use the Retain Update Lock feature
  • Data Security
    • Use the database, table, and column level privileges
    • Use the GRANT and REVOKE statements
    • Use role-based authorization
  • Views
    • Create views
    • Use views to present derived and aggregate data
    • Use views to hide joins from users
  • Introduction to Stored Procedures
    • Explain the purpose of stored procedures
    • Explain advantages of using stored procedures
  • Triggers
    • Create and execute a trigger
    • Drop a trigger
    • Use the system catalogs to access trigger information


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