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SQL

Course Overview


SQL Training is designed to give delegates practical experience in using ANSI standard SQL. As SQL is a generic course, some of the differences between different vendors' implementations will be noted.

Course Content


Introduction

  • Describing the Life Cycle Development Phases.
  • Defining a Database.
  • Discussing the Theoretical Conceptual and Physical Aspects of a Relational Database.
  • Describing how a Relational Database Management System is used to manage a Relational Database.
  • Describing the oracle implementation of both the RDBMS and the Object Relational Database Management System (ORDBMS).
  • Describing how SQL is used in the Oracle product set.

Writing a basic SQL statement

  • Describing the SQL select capabilities.
  • Executing a basic Select statement with the mandatory clauses.
  • Differentiating between SQL and iSQL*Plus commands.

Restricting and Sorting data

  • Limiting the rows retrieved by a Query.
  • Sorting the rows retrieved by a query.

Single Row functions

  • Describing various types of functions available in SQL.
  • Using a variety of character, number, and date functions in SELECT statements.
  • Explaining what the conversion functions are and how they are used.
  • Using control statements.

Displaying data from multiple tables

  • Writing SELECT statements to access data from than one table.
  • Describing the Cartesian product.
  • Describing and using the different types of joins.
  • Writing joins using the tips provided.
  • Aggregating data by using group functions.
  • Identifying the different group functions available.
  • Explaining the use of group functions.
  • Grouping data by using the GROUP BY clause.
  • Filtering the groups using the HAVING clause.

Writing Subqueries

  • Describing the types of problems that subqueries can solve.
  • Describing subqueries.
  • Listing the types of subqueries.
  • Writing single-row and multiple-row.
  • Describing and explaining the behavior of subqueries when NULL values are retrieved.

Producing the readable output with iSQL*Plus

  • Producing queries that require an input variable.
  • Customizing the iSQL*Plus environment.
  • Producing more readable output.
  • Creating and executing the script files.

Manipulating the data

  • Describing each Data Manipulation Language (DML) command.
  • Inserting rows into a table.
  • Updating rows in a table.
  • Deleting rows from a table.
  • Merging rows from two or more tables.
  • Controlling transactions.
  • Describing the transaction processing.
  • Describing the read consistency, implicit and explicit locking.

Creating and managing tables

  • Describing the main database objects.
  • Creating tables.
  • Describing the Oracle data types.
  • Altering table definitions.
  • Dropping, Renaming, and Truncating tables.

Including Constraints

  • Describing Constraints.
  • Creating and Maintaining Constraints.

Creating Views

  • Describing views and their uses.
  • Creating a view.
  • Retrieving data by means of a view.
  • Inserting, Updating, and Deleting data through views.
  • Dropping views.
  • Altering the definition of a view.
  • Inline views.
  • Top 'N' Analysis.

Other Database Objects

  • Creating, maintaining, and using Sequences.
  • Creating and maintaining Indexes.
  • Creating Private and Public Synonyms.
  • Controlling user access.
  • Understanding the concepts of Users, Roles and Privileges.
  • Granting and revoking object privileges.
  • Creating roles and granting privileges to Roles.
  • Creating Synonyms for ease of table access.

Using Set Operators

  • Describing the Set operators.
  • Obeying the Set operators Rules and Guidelines.
  • Using a Set operator to combine multiple queries into a single subquery.
  • Controlling the order of rows returned.

Oracle 9i/10g Single Row functions

  • Using DATETIME functions.
  • Using the NVL2 function to handle NULL values.

Enhancements to the GROUP BY clause

  • Using the ROLLUP as an extension to the GROUP BY clause to produce subtotal values.
  • Using the CUBE as an extension to the GROUP BY clause to cross-product tabulation values.
  • Using the GROUPING Function to Identify the Row Values Created by ROLLUP or CUBE Operators.
  • Using GROUPING SETS to Produce a Single Result Set.
  • That Is Equivalent to a UNION ALL Approach.
  • Using the WITH Clause.

Advanced Subqueries

  • Updating and deleting rows by using Correlated Subqueries.
  • Writing a multicolumn subquery.
  • Describing and explaining the behavior of Subqueries when NULL values are retrieved.
  • Writing a subquery in a FROM clause.
  • Describing the types of problems that can be solved with a correlated subquery.
  • Describing a correlated subquery.
  • Writing correlated Subqueries.
  • Using the EXISTS and NOT EXISTS operators.

Hierarchical Retrieval

  • Discussing the benefits of the Hierarchical Query.
  • Ordering the rows retrieved by a query in hierarchical manner.
  • Formatting hierarchical data so that it is easy to read.
  • Excluding branches from the tree structure.

Extensions to DML and DDL statements

  • Discussing multi-table inserts.
  • Creating and using external tables.
  • Naming the index and using the CREATE INDEX command at the time of creating Primary Key constraint.

Writing scripts to generate scripts

  • Describing the types of problems that are solved by writing SQL scripts that generate other SQL scripts.
  • Writing and executing scripts that generate scripts with commands to create and drop tables.
  • Writing and executing a script that generates a script of INSERT INTO commands.

SQL Workshop

  • Applying techniques learned in this course.
  • Preparing for future Oracle courses.

Customer Reviews


Thanks to Xpertised and the tutor who walked me through all the topics with Practical exposure which is helping me in my current project.
-Waseem

Course was quite helpful in terms of understanding of concepts and practicality. Its really a very friendly environment to learn. The timing were mutually chosen, as we both are working professional. I am quite satisfied with the course.
-Tanmoy

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