ORACLE PL SQL

• Introduction to Oracle SQL
  • What is RDBMS, Oracle versions, Architecture of Oracle Database Server, Installation of Oracle 12c
  • Hands-on Exercise – Install Oracle 12c
• Using DDL Statements to Create and Manage Tables
  • Categorize the main database objects, Review the table structure, List the data types that are available for columns, Create a simple table, Explain how constraints are created at the time of table creation, Describe how schema objects work
  • Hands-on Exercise – Create a database table Person with two columns (Name, Age) with a constraint on age not greater than 100, Insert records using insert query
• Retrieving Data Using the SQL SELECT Statement
  • List the capabilities of SQL SELECT statements, Execute a basic SELECT statement
  • Hands-on Exercise – Use a basic select statement to retrieve all the records in the Person table
• Restricting and Sorting Data
  • Limit the rows that are retrieved by a query, Sort the rows that are retrieved by a query, Ampersand substitution to restrict and sort output at runtime
  • Hands-on Exercise – Write a select query to retrieve records where age is more than 60 yrs, Write a select query to sort the records by name, Write a select query to sort the records by age in descending order, Use ampersand substitution to restrict and sort output at runtime
• General functions
  • The general functions in SQL, working with any data type and handling Null values, using COALESCE() and Null function, Constructing and executing SQL query that applies the NUL, NUL1, NUL2 and COALESCE
  • Hands-on Exercise – Use NULL function to deal with null values in data
• Using Single-Row Functions to Customize Output
  • Describe various types of functions (character, number, date, string etc.) available in SQL
  • Hands-on Exercise – Create a table with columns of type char, number and date, Use character, number, and date functions in SELECT statements
• Large Object Functions
  • Large object functions – BFILENAME, EMPTY_BLOB, EMPTY_CLOB, Aggregate or Group functions – COUNT, COUNT(*),MIN,MAX,SUM,AVG,etc…,Group BY Clause, HAVING Clause
  • Hands-on Exercise – Count records based on a condition, Use Count(*) to know the count of all records, Find Max, Min, Sum, Avg
• OLAP Functions
  • The various OLAP functions, cube, model clause, roll up and grouping functions
  • Hands-on Exercise – Working with OLAP commands – Cube, Roll Up, etc.
• Using Conversion Functions and Conditional Expressions
  • Describe various types of conversion functions that are available in SQL, Conditional expressions in a SELECT statement
  • Hands-on Exercise – Group data by using the GROUP BY clause, Include or exclude grouped rows by using the HAVING clause
• Database Transactions
  • What is a database transaction, Properties of a transaction (Atomic, Consistent, Isolated, Durable – ACID), Avoiding error/fault in manipulating database records using transaction
  • Hands-on Exercise – Begin a transaction, Execute queries to update or insert or delete records, If no error, commit the transaction Else roll back the transaction and end it
• Creating Other Schema Objects
  • Views – simple and complex, Sequences, Index, Synonym
  • Hands-on Exercise – Create simple and complex views, Retrieve data from views, Create, maintain, and use sequences, Create and maintain indexes, Create private and public synonyms
• Writing Cursor and Conditional Statement
  • SQL Cursor, SQL Cursor Attributes., Controlling PL/SQL flow of executions, IF Statement, Simple IF Statement, IF-THAN-ELSE Statement Execution Flow, IF-THAN-ELSE Statement, IF-THAN-ELSIF Statement, Logic Tables, Boolean Conditions., Iterative controlling loop statement, Nested Loops and Labels.
  • Hands-on Exercise – Use Boolean condition on a select query, Use logic table, Create nested loops and labels
• Introduction to Explicit Cursor
  • Writing Explicit cursors, About cursors, Explicit cursor functions, Controlling explicit cursor, Opening the cursor, Fetching Data cursor, Cursor and records, Cursor for loop using sub queries
  • Hands-on Exercise – Write an explicit cursor, Use cursor function, Fetch data cursor
• Advance concepts of explicit Cursor
  • Advance Explicit cursor, Cursor with parameters, For update Clause, Where current of Clause, Cursor with sub queries

• • Hands-on Exercise – Use cursor with subquery, Use Where Current clause to retrieve data
• Exception Handling
  • Handling Exception, Handling Exception with PL/SQLPredefined Exceptions, User Defined Exceptions, Non-Predefined Error, Function for trapping Exception, Trapping user-defined Exception, Raise Application Error Procedure
  • Hands-on Exercise – Use Predefined exception, Write user defined exception, Generate and handle exception, Use a function for trapping an exception
• Writing Subprogram, Procedure and passing parameters
  • Overview of subprograms, PL/SQL Subprograms, What is Procedure, Syntax for creating Procedure, Creating Procedure with parameter, Example of Passing parameters, Referencing a public variable from a standalone procedure, Declaring Subprogram
  • Hands-on Exercise – Create a parameterized procedure, Pass parameters in a procedure call, Access a public variable from a standalone procedure
• Creating PL/SQL Package
  • PL/SQL records, Using Pl/SQL Table method and example, Creating PL/SQL Table, Packages – Objective, overview, component, developing, removing, advantages, Creating the package specification/example, Declaring Public construct, Public and private construct, Invoking package construct, Guide lines for deploying packages
  • Hands-on Exercise – Create a package, Deploy the created package
• Advance Package Concepts and functions
  • Overloading, Using forward declaration, One time only procedure, Package functions, User define package function, Persistent state of package function, Persistent state of package variable, Controlling the persistent state of package cursor, Purity end, Using supplied package, Using native dynamic SQL, Execution flow, Using DBMS-SQL package, Using DBMS-DDL package, Submitting jobs, Interacting with operating system links
  • Hands-on Exercise – Use supplied package, Use native dynamic SQL, Use DBMS-SQL package, Use DBMS-DDL package, Submit a job
• Introduction and writing Triggers
  • Triggers – Definition, objective and its event type, Application & database triggers, Business application scenarios for implementing triggers, Define DML triggers, Define Non – DML triggers, Triggers event type & body, Creating DML triggers using the create triggers statement, Define statement level triggers v/s low level triggers, Triggers firing sequence: single row manipulation, Creating a DML statement triggers, Using old and new qualifiers, Old and new qualifiers, Instead of triggers, Managing triggers using the alter & drop SQL statement, Testing triggers
  • Hands-on Exercise – Create a DML statement trigger, Use old and new qualifiers, Manage a trigger using the alter & drop SQL statement, Test the created triggers
• Compound Triggers
  • Viewing trigger information, Describe user triggers, What is a compound trigger and working with it, Compound trigger structure for tables, Timing-point sections of a table compound trigger, Compound trigger structure for views, Trigger restrictions on mutating tables, Compound trigger restrictions, Using a compound trigger to resolve the mutating table error, Creating triggers on system events, LOGON and LOGOFF triggers example, Call statements in triggers, Benefits of database-event triggers, System privileges required to manage triggers
  • Hands-on Exercise – View a trigger’s information, Use a compound trigger structure for views, Use a compound trigger to resolve the mutating table error, Create triggers on system events, Use LOGON and LOGOFF triggers, Call statements in triggers
• Working with Dynamic SQL
  • Dynamic SQL-objectives, Describe execution flow of SQL statements, Dynamic SQL with a DDL statement-example, Working with dynamic SQL, Native Dynamic SQL(NDS), Using the executive immediate statement-example, Using native dynamic SQL to compile PL/SQL code, Using DBMS-SQL with a DML statement, Using the DBMS-SQL package subprograms, Parameterized DML statement
• Advance level- Scripting
  • Managing Dependencies, Objectives, overview of schema object dependencies, Direct local dependencies, Querying direct object dependencies, Displaying direct and indirect dependencies, Fine-Grained dependency management, Changes to synonym dependencies, Maintaining valid PL/SQL program units and views, Object re-validation, Concepts of remote dependencies, Setting the remote dependencies mode parameter, Recompiling PL/SQL program unit, Packages and Dependencies, Successful and unsuccessful recompilation, Recompiling procedures
  • Hands-on Exercise – Query direct object dependencies, Display direct and indirect dependencies, Set the remote dependencies mode parameter, Recompile PL/SQL program unit, Edit a procedure and recompile it
• Oracle PL SQL Projects

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