Detaillierter Kursinhalt
Module 1: Introduction to SQL Relational Databases
- Definition of a relational database
- Components of a relational database table
- Forming relationships in a relational database
- Types of relationships
- Description of Structured Query Language: Data Definition Language, Data Manipulation Language, Data Control Language, and Transaction Control Language
- Characteristics of a Relational Database Management System (RDBMS)
- Lab exercise
Module: 2 Overview of SQL/MX Architecture
- SQL/MX Architecture
- SQL/MX System Metadata
- User Metadata (UMD) Tables
- User Catalog and Schemas
- SQL/MX User Tables, Objects, Tables, Indexes, Views, Constraints, Triggers, Object Namespaces-Object Type, Security Model, Process Architecture, Components, Catalog Manager, DDL Operations, Utilities
- NSM/web Architecture
- Lab exercise
Module: 3 Introduction to mxci
- SQL/MX Help Facilities
- Starting an mxci session
- mxci Prompts and Termination Character
- SQL/MX Identifiers
- Logical (ANSI) Names
- Specifying ANSI
- Using Logical Names in an mxci Session
- mxci: –SET NAMETYPE Command (ANSI) –SET CATALOG Command –SET SCHEMA Command
- mxci cd Command, Is Commands
- mxci—LOG Command
- Lab exercise
Module: 4 Query Writing Process
- Overview of query execution
- Overview of query development process
- Analyzing the query objective, Generating the query, Executing the query
- Verifying the results, Assessing performance
- Lab exercise
Module: 5 Retrieving Data from a Single Table
- Data Types, Character Data Types, Numeric Data Types-Exact and Approximate, Datetime Data Types, Interval Data Types
- INVOKE Command
- SELECT Statement-Clauses, Syntax, Select List
- SELECT-Select List, ALL or DISTINCT Rows, [ANY N] or [FIRST N]
- FROM and WHERE Clause
- Predicates
- Row-Value-Constructor
- Comparison Predicates-Syntax, Examples
- LIKE, BETWEEN, and IN Predicates
- Boolean Operators and Compound Predicates
- NULL Values
- IS [NOT] Predicate
- ORDER BY, GROUP By, HAVING Clause
- Lab exercise
Module: 6 Functions and Expressions
- Aggregate functions
- Character functions
- Datetime functions
- Mathematical functions
- Types of expressions
- Literal expressions
- Numeric expressions
- Lab exercise
Module: 7 Retrieving Data from Multiple Tables
- Generating the following types of joins: CROSS, NATURAL, INNER, EQUI, LEFT, RIGHT, Self
- Correlation Names
- Join with Additional Search Conditions
- UNION Operation
- Lab exercise
Module: 8 Query Expressions
- Query expression: Definition, Types, Joined Table, Syntax
- Non-Joined Query Expression Table: VALUES Statement, TABLE Statement, SELECT Query Specification
- Simple Table—SELECT expression
- Subquery: Definition, Non-Correlated, Correlated, Evaluation of a Correlated Subquery, Classification, SELECT Form of a subquery
- Predicates: Subquery, Comparison, BETWEEN, IN, and EXISTS, and EXISTS Examples
- Subqueries using the Comparison, BETWEEN, and IN Predicates
- Subquery key points
- Lab exercise
Module: 9 Creating SQL/MX Objects
- Creating SQL/MX Objects
- SQL/MX Object Naming
- CREATE CATALOG Command—Syntax, REGISTER CATALOG Command—Syntax, UNREGISTER CATALOG Command—Syntax, Catalog Considerations
- CREATE SCHEMA Command—Syntax
- Rules for Naming SQL/MX Schema Subvolumes, Schema Considerations, Creating a User Schema
- Creating a SQL/MX Table—Topics
- Column Definitions, Column Name Rules, Character Sets, Default Value, ISO88591 Character Set Examples
- SYSTEM_DEFAULTS Table— NOT_NULL_CONSTRAINT_DROPPABLE_OPTION
- Constraints, Constraints Names, Table Constraints
- Specifying Physical Location and Name for the Underlying Guardian File
- Specifying a Clustering Key, Specifying a Clustering Key—STORE BY Clause, Terminology
- Clustering Key—No STORE BY Clause and No Primary Key Specified, Clustering Key—STORE BY PRIMARY KEY: Primary Key Specified As DROPPABLE
- Specifying Guardian File Attributes
- CREATE INDEX—Syntax, CREATE VIEW—Syntax, CREATE VIEW—Example, Considerations for Creating a View
- Lab exercise
Module: 10 Inserting Data and Updating Statistics
- Methods for Loading Multiple Rows of Data
- Inserting Data into the Database, INSERT Statement—Syntax, Inserting a Single Row, Inserting Multiple Rows, INSERT Considerations
- SQL/MX Histogram Statistics, Statistics Tables, mxci UPDATE STATISTICS Utility, Examples of mxci UPDATE STATISTICS
- Lab exercise
Module: 11 Modifying Data
- Maintaining Database Consistency
- Transaction Management Statements
- Explicit Transaction: User-Defined Transaction, INSERT, UPDATE, DELETE
- Implicit Transaction: System-Defined Transactions, SELECT, INSERT, UPDATE, DELETE
- Modifying Existing Data
- UPDATE Statement—Syntax, Updating a Single Row, Updating Multiple Rows, UPDATE Statement—Scalar Subquery, UPDATE Considerations
- Removing Data from the Database
- DELETE Statement—Syntax, Deleting Data, DELETE Considerations
- Lab exercise
Module: 12 Access Options and Isolation Levels
- Concurrency Control and Contention
- Locking Considerations, Dirty Reads, Non-Repeatable Reads, Phantoms
- Access Options and Isolation Levels, READ UNCOMMITTED Access Option, READ COMMITTED Access Option, READ COMMITTED Considerations, SERIALIZABLE or REPEATABLE READ Access Option
- Lock Modes, Access Options and Lock Modes
- SET TRANSACTION Statement, SET TRANSACTION Statement—Example, Transaction Isolation-Level Rules
- DEADLOCK, Viewing Locks on a Table
- Lab exercise
Module: 13 Management Functions
- SQL/MX Object Dependencies
- SQL Authorization ID
- Object Ownership and Security Rules
- Granting Privileges to Users—Example
- Altering SQL/MX Objects in a SQL/MX Database
- Authorization Requirements for Altering Database Object
- Altering TABLE or INDEX FILE Attributes, Adding Columns to a Table, Altering Considerations
- Removing SQL/MX Database Objects, Dropping SQL/MX Objects From a SQL/MX Database, Removing Your Database Objects
- Managing Data
- mxtool VERIFY Utility, mxtool VERIFY Utility—Security Considerations, mxtool VERIFY Utility—Syntax
- Performance, Monitoring Performance
- Using the EXPLAIN Function with a Prepared Query
- EXPLAIN statement with OPTIONS ‘f’
- NSM/web Connectivity Services, Visual Query Planner DISPLAY STATISTICS
- Lab exercise
Module: 14 Advanced Topics
- Referential Integrity (RI)
- Trigger Definition
- Partitioning—Range Partitioning, Hash Partitioning
- Publish and Subscribe Services
- Rowsets
- Compound Statements
- SELECT statement—TRANSPOSE Clause, SAMPLE Clause
- Sequence Function
Module: 15 MXDM
- Features and requirements of MXDM
- Installing and Uninstalling MXDM
- Example screens