+++++++++ NOTE ++++++++++ This course content is applicable to versions 11c, 12c, 18c, and 19c.
Description
+++++++++ NOTE ++++++++++
This course content is applicable to versions 11c, 12c, 18c, and 19c.
Learning the SQL language is one of the most basic tasks required for the use of a relational database. SQL proficiency is essential for business users, database developers, database administrators and any other database professional. This course introduces the basics of the SQL language and the Oracle Relational Database Management System (RDBMS). One will become acquainted with the differences in the working environment between a traditional on-premise database installation and the Oracle database service cloud-computing platform. This course also considers intermediate-level SQL topics such as writing database queries using the SQL-99 syntax and exploiting the power of built-in functions that extend the capabilities of SQL.
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Since SQL is an industry standard language, many of the topics presented and many of the skills you will acquire will be applicable to other database platforms, such as Microsoft SQL Server, IBM DB2, the open-source databases MySQL and PostgreSQL, and others.
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This course takes a unique approach to SQL training in that it incorporates data modeling theory, relational database theory, graphical depictions of theoretical concepts and numerous examples of actual SQL syntax into one learning vehicle.
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You will learn how to complete of an application schema definition by creating database objects such as relational views, sequences, synonyms, indexes and others to compliment the table definitions. The crucial topic of data integrity and how this is protected using declarative constraints is covered.
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With this course we will also leave the idyllic realm of the learning environment and begin to explore such practical real-world considerations as database object security and database performance.
Course Outline
RELATIONAL DATABASES & DATA MODELS
• ABOUT DATA MODELS
• ABOUT THE RELATIONAL MODEL
• THE ELECTRONICS DATA MODEL
• ABOUT THE RELATIONAL DBMS
SELECTION & SETUP OF THE DATABASE INTERFACE
• CONSIDERING AVAILABLE TOOLS
• SELECTING THE APPROPRIATE TOOL
• ORACLE NET DATABASE CONNECTIONS
• ORACLE PAAS DATABASE CONNECTIONS
• SETUP SQL DEVELOPER
• SETUP SQL*PLUS
• SETUP JDEVELOPER
USING THE DATABASE INTERFACE
• ABOUT BIND & SUBSTITUTION VARIABLES
• USING SQL DEVELOPER
• USING SQL*PLUS
INTRODUCTION TO THE SQL LANGUAGE
• ABOUT THE SQL LANGUAGE
• CHARACTERISTICS OF SQL
• INTRODUCING SQL USING SELECT
• SQL RULES
THE SELECT STATEMENT
• THE SELECT STATEMENT
• DISTINCT / UNIQUE Keyword
• USING ALIAS NAMES
RESTRICTING RESULTS WITH THE WHERE CLAUSE
• ABOUT LOGICAL OPERATORS
• EQUALITY OPERATOR
• BOOLEAN OPERATORS
• REGEXP_LIKE()
• IN OPERATOR
SORTING DATA WITH THE ORDER BY CLAUSE
• ABOUT THE ORDER BY CLAUSE
• MULTIPLE COLUMN SORTS
• SPECIFY THE SORT SEQUENCE
• ABOUT NULL VALUES WITHIN SORTS
• USING COLUMN ALIASES
PSEUDO COLUMNS, FUNCTIONS & TOP-N QUERIES
• ROWID PSEUDO COLUMN
• ORA_ROWSCN PSEUDO COLUMN
• ROWNUM PSEUDO COLUMN
• ABOUT THE BUILT-IN FUNCTIONS
• SYSDATE
• USER & UID
• SESSIONTIMEZONE Function
• USING THE DUAL TABLE
• ROW LIMITING & TOP-N QUERIES
• FETCH FIRST x ROWS ONLY Clause
• OFFSET x ROWS Clause
• FETCH ... PERCENT Clause
• The WITH TIES Option
JOINING TABLES
• ABOUT JOINS
• INNER JOIN
• REFLEXIVE JOIN
• NON-KEY JOIN
• OUTER JOIN
USING THE SET OPERATORS
• ABOUT THE SET OPERATORS
• SQL SET OPERATOR EXAMPLES
• UNION Example
• INTERSECT Example
• MINUS Example
• UNION ALL
SUMMARY FUNCTIONS
USING SUB-QUERIES
• FINDING DATA WITH SUB-QUERIES
• STANDARD SUB-QUERIES
• CORRELATED SUB-QUERIES
• The EXISTS Operator
AGGREGATING DATA WITHIN GROUPS
• ABOUT SUMMARY GROUPS
• FIND GROUPS WITHIN THE TABLES
• SELECT DATA FROM THE BASE TABLES
• SELECT GROUPS FROM THE RESULTS
USE DDL TO CREATE & MANAGE TABLES
• CREATE TABLE STATEMENT
• COLUMN DATA TYPES
• NOT NULL
• DEFAULT
• DESCRIBE
• ALTER TABLE STATEMENT
• DROP TABLE STATEMENT
• TABLE DDL USING SQL DEVELOPER
• ALTER USER STATEMENT
• ALTER SESSION STATEMENT
• NLS_LANGUAGE
• NLS_DATE
• UNUSED
• TEMPORARY TABLES
• EXTERNAL TABLES
• INTERVAL DATATYPES
• CURRENT_DATE, CURRENT_TIMESTAMP, LOCALTIMESTAMP
USE DML TO MANIPULATE DATA
• THE INSERT STATEMENT
• THE DELETE STATEMENT
• THE UPDATE STATEMENT
• ABOUT TRANSACTIONS
• TRANSACTION ROLLBACK
• TRANSACTION COMMIT
• TRANSACTION SAVEPOINT
• THE SET TRANSACTION STATEMENT
• SET TRANSACTION READ ONLY Statement Rules
UNDERSTANDING THE DATA MODELS
• THE COMPANY DATA MODEL
• THE ELECTRONICS DATA MODEL
ABOUT THE SQL-99 STANDARD
• SQL-92 & SQL-99
• CROSS JOINS
• NATURAL JOINS
• INNER JOINS
• Implicit INNER JOIN
• OUTER JOINS
• ANTI JOINS
• NAMED SUB-QUERIES
ENHANCING GROUPS WITH ROLLUP & CUBE
• USING ROLLUP
• The GROUPING() Function
• USING CUBE
USING THE CASE EXPRESSION
SQL FUNCTIONS: CHARACTER HANDLING
• WHAT ARE THE SQL FUNCTIONS?
• STRING FORMATTING FUNCTIONS
• UPPER(), LOWER() Example
• INITCAP() Example
• CHARACTER CODES FUNCTIONS
• CHR(), ASCII() Examples
• PAD & TRIM FUNCTIONS
• RPAD() Example
• RTRIM() Example
• TRIM() Example
• STRING MANIPULATION FUNCTIONS
• DECODE() Example
• SUBSTR() Example
• INSTR() Example
• TRANSLATE() Example
• REPLACE() Example
• STRING COMPARISON FUNCTIONS
• LEAST() Example
• PHONETIC SEARCH FUNCTION
• SOUNDEX() Example
SQL FUNCTIONS: NUMERIC HANDLING
• ABOUT THE NUMERIC DATA FUNCTIONS
• GREATEST() Example
• ABS() Example
• ROUND() Example
• TRUNC() Example
• SIGN() Example
• TO_NUMBER() Example & Data Type Conversions
• NULL VALUES FUNCTIONS
• NVL() & NVL2() Function
• NVL() Example (Character)
• NVL() Example (Numeric Loss Of Data)
• NVL() Example (Numeric Output)
• NVL2() Example
• COALESCE() Function
• NULLIF() Function
SQL FUNCTIONS: DATE HANDLING
• DATE FORMATTING FUNCTIONS
• TO_CHAR() & TO_DATE() Format Patterns
• TO_CHAR() Examples
• TO_DATE() Examples
• EXTRACT() Example
• DATE ARITHMETIC FUNCTIONS
• MONTHS_BETWEEN() Example
• ADD_MONTHS() Example
• LAST_DAY() Example
• NEXT_DAY() Example
• TRUNC(), ROUND() Dates Example
• NEW_TIME() Example
• About V$TIMEZONE_NAMES
• CAST() FUNCTION & TIME ZONES
DATABASE OBJECTS: ABOUT DATABASE OBJECTS
• ABOUT DATABASE OBJECTS
• ABOUT SCHEMAS
• MAKING OBJECT REFERENCES
DATABASE OBJECTS: RELATIONAL VIEWS
• ABOUT RELATIONAL VIEWS
• THE CREATE VIEW STATEMENT
• WHY USE VIEWS?
• ACCESSING VIEWS WITH DML
• MAINTAINING VIEW DEFINITIONS
• ALTER VIEW
• DROP VIEW
• DDL Using SQL Developer
DATABASE OBJECTS: INDEXES
• ABOUT INDEXES
• CREATE & DROP INDEX STATEMENTS
• INDEXES & PERFORMANCE
• DATA DICTIONARY STORAGE
DATABASE OBJECTS: CREATING OTHER OBJECTS
• ABOUT SEQUENCES
• Referencing NEXTVAL
• Referencing CURRVAL
• Within The DEFAULT Clause
• ALTER SEQUENCE & DROP SEQUENCE
• ALTER SEQUENCE
• DROP SEQUENCE
• ABOUT IDENTITY COLUMNS
• CREATE TABLE ... GENERATED AS IDENTITY
• ALTER TABLE ... GENERATED AS IDENTITY
• START WITH LIMIT VALUE
• ALTER TABLE ... DROP IDENTITY
• ABOUT SYNONYMS
• CREATE & DROP SYNONYM Statements
• CREATE SYNONYM
• DROP SYNONYM
• Public Vs. Private Synonyms
• CREATE SCHEMA AUTHORIZATION
DATABASE OBJECTS: OBJECT MANAGEMENT USING DDL
• THE RENAME STATEMENT
• TABLESPACE PLACEMENT
• CREATE TABLE ... TABLESPACE
• THE COMMENT STATEMENT
• THE TRUNCATE TABLE STATEMENT
DATABASE OBJECTS: SECURITY
• ABOUT OBJECT SECURITY
• GRANT OBJECT PRIVILEGES
• REVOKE OBJECT PRIVILEGES
• OBJECT PRIVILEGES & SQL DEVELOPER
• OBJECT VERSUS SYSTEM PRIVILEGES
• CREATING ROLES
DATA INTEGRITY USING CONSTRAINTS
• ABOUT CONSTRAINTS
• NOT NULL CONSTRAINT
• NOT NULL Example
• CHECK CONSTRAINT
• UNIQUE CONSTRAINT
• PRIMARY KEY CONSTRAINT
• REFERENCES CONSTRAINT
• ON DELETE CASCADE Example
• ON DELETE SET NULL Example
• CONSTRAINTS ON EXISTING TABLES
RECENT ENHANCEMENTS
• Relating Clauses in SQL Select Statement to Components of an ER diagram
• DEFINE and VERIFY
• MERGE STATEMENT
• UNUSED COLUMNS
• TEMPORARY tables
• EXTERNAL tables
• INTERVAL datatype
• Using CURRENT_DATE, CURRENT_TIMESTAMP and LOCALTIMESTAMP