ORACLE Data Analyst Online Training Course Content

Introduction to the Oracle database

  • Database Architecture
  • Relational model database
  • Users diagrams sessions
  • Tools

Introduction to the SELECT statement

  • Screening and selection (WHERE clause)
  • sorting
  • Data types, operators, and service NULL
  • Built-in scalar functions
  • Actions to date
  • National and regional settings in SQL

Regular expressions
The analysis of aggregated data

  • grouping Functions
  • DISTINCT clause
  • The GROUP BY clause and HAVING.
  • Summary (clauses ROLLUP, CUBE, GROUPING)

Retrieving data from multiple tables

  • Inner and outer joins (INNER JOIN, OUTER JOIN)
  • ANSI SQL syntax, and other methods connectors (SELF JOIN, NATURAL JOIN)
  • Collective operators (UNION, UNION ALL, INTERSECT, MINUS)

Subqueries

  • Subqueries simple
  • Correlated subqueries
  • Operators EXISTS and NOT EXISTS
  • Other types of subqueries

Inquiries hierarchical and samples

  • Construction of the tree (CONNECT BY PRIOR clause and START WITH)
  • The SYS_CONNECT_BY_PATH
  • Data samples (SAMPLE clause)

Analytic Functions

  • Generating summaries
  • Definition window
  • Statistical Functions
  • New features in Oracle 11g

Inquiries Pivot (PIVOT, UNPIVOT)
Tables and referential integrity

  • Managing tables (CREATE, ALTER, DROP, RENAME)
  • Referential integrity (constraints)

Data manipulation (DML)

  • INSTRUCCIONES INSERT, UPDATE, DELETE
  • Operacjanadużychzbiorach (INSERT FIRST, ALL INSERT, MERGE)

Concurrent users work

  • Transactions
  • Locks
  • FLASHBACK

Brief overview of schema objects

    • vistas
    • sequences
    • indexes