Oracle Database PL/SQL Developer Certified Professional Course (1Z0-149)

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Oracle Database PL/SQL Developer Certified Professional (1Z0-149)

Oracle Database PL/SQL Developer Certified Professional Course 1Z0-149 training, Oracle certified expert instructors will help you explore the advanced features of PL/SQL to design and tune PL/SQL. You’ll learn how it interfaces with the database and other applications in the most efficient manner.

Course Key Topics

Declaring PL/SQL Variables

• Introduction of variables
• Types of variables in PL/SQL
• Declaring PL/SQL Variables

Recognize valid and invalid identifiers

• List the uses of variables, declare and initialize variables, use bind variables
• List and describe various data types using the %TYPE and %ROWTYPE attributes
• Writing Executable Statements

Identify lexical units in a PL/SQL block

• Use built-in SQL functions in PL/SQL and sequences in PL/SQL expressions
• Describe when implicit conversions take place and when explicit conversions have to be dealt with Write nested blocks and qualify variables with labels
• Write readable code with appropriate indentation
• Writing SQL in PL/SQL

Create PL/SQL executable blocks using DML and transaction control statements

• Make use of the INTO clause to hold the values returned by a SQL statement
• Writing Control Structures

Identify the uses and types of control structures (IF, CASE statements and expressions)

• Construct and identify loop statements
• Use EXIT and CONTINUE statements inside loops
• Working with Composite Data Types

Create user-defined PL/SQL records

• Create a record with the %ROWTYPE attribute
  Create an INDEX BY table and INDEX BY table of records
  Describe the differences among records, collections, and collections of records
  Initialize collections and records
  Using Explicit Cursors

Distinguish between implicit and explicit cursors and use SQL cursor attributes

• Declare and control explicit cursors, use simple loops and cursor FOR loops to fetch data
• Declare and use cursors with parameters
• Lock rows with the FOR UPDATE clause and reference the current row with the WHERE CURRENT OF clause
• Handling Exceptions

Define PL/SQL exceptions

• Recognize unhandled exceptions
• Handle different types of exceptions (internally defined exceptions, predefined exceptions and user-defined exceptions)
• Propagate exceptions
• Using PL/SQL Subprograms

Differentiate between anonymous blocks and subprograms

• Create a simple procedure and invoke it from an anonymous block
• Identify benefits of subprograms
• Creating Procedures and Using Parameters

Create a procedure with parameterrs

• Use named notation
• Work with procedures (create, invoke and remove procedures)
• Handle exceptions in procedures and display a procedure’s information
• Creating Functions

Differentiate between a procedure and a function

• Describe the uses of functions
• Work with functions (create, invoke and remove functions)
• Creating Packages

Identify the benefits and the components of packages

• Work with packages (create package specification and body, invoke package subprograms, remove a package and display package information)
• Overload package subprograms and use forward declarations
• Working with Packages

Use package types and variables

• Use packaged constants and functions in SQL
• Use ACCESSIBLE BY to restrict access to package subprograms
• Using Dynamic SQL

Describe the execution flow of SQL statements

• Use Native Dynamic SQL (NDS)
• Bind PL/SQL types in SQL statements
• Design Considerations for PL/SQL Code

Create standard constants and exceptions

• Write and call local subprograms
• Control the run-time privileges of a subprogram
• Perform autonomous transactions
• Use NOCOPY hint, PARALLEL ENABLE hint and DETERMINISTIC clause
• Use bulk binding and the RETURNING clause with DML
• Creating Compound, DDL, and Event Database Triggers

Create triggers on DDL statements

• Create triggers on system events
• Describe different types of triggers and their uses
• Using the PL/SQL Compiler

Describe the PL/SQL compiler and features

• Use the PL/SQL compiler initialization parameters
• Use the PL/SQL compile time warnings
• Managing PL/SQL Code

Describe and use conditional compilation

• Code-based access control: granting roles to program units
• Whitelist code access with the ACCESSIBLE BY clause
• Mark code as deprecated
• Managing Dependencies

Track and manage procedural dependencies

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