Retrieving Data Using the SQL SELECT Statement(DRL/DQL)

  • List the capabilities of SQL SELECT statements
  • Execute a basic SELECT statement

Restricting and Sorting Data

  • Limit the rows that are retrieved by a query
  • Sort the rows that are retrieved by a query
  • Use ampersand substitution to restrict and sort output at runtime

Using Single-Row Functions to Customize Output

  • Describe various types of functions available in SQL
  • Use character, number, and date functions in SELECT statements

Using Conversion Functions and Conditional Expressions

  • Describe various types of functions available in SQL
  • Use character, number, and date functions in SELECT statements

Reporting Aggregated Data Using the Group Functions

  • Identify the available group functions
  • Describe the use of group functions
  • Group data by using the GROUP BY clause
  • Include or Exclude grouped rows by using the HAVING clause

Displaying Data from Multiple Tables

  • Write SELECT statements to access data from more than one table using Equijoins and

Non-Equijoins

  • Join a table to itself by using a Self-join
  • View data that generally does not meet a join condition by using outer joins
  • Generate a Cartesian product of all rows from two or more tables

Using Subqueries to Solve Queries

  • Define subqueries
  • Describe the types of problems that the subqueries can solve
  • List the types of subqueries
  • Write Single-row and Multiple-row subqueries

Using the Set Operators

  • Describe Set operators
  • Use a set operator to combine multiple queries into a single query
  • Control the order of rows returned

Manipulating Data

  • Describe each data manipulation language (DML) statement
  • Insert rows into a table
  • Update rows in a table
  • Delete rows from a table
  • Control transactions

Using DDL Statements to Create and Manage Tables

  • Using DDL Statements to Create and Manage Tables
  • 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

Creating Other Schema Objects

  • Create simple and complex views
  • Retrieve data from views
  • Create, maintain, and use sequences
  • Create and maintain indexes
  • Create private and public synonyms

Analytical Functions Examples (Optional)

Use of ALTER

Interview Preparations/Q&A