Oracle SQL Intermediate Treningskurs

Last updated

Kurskode

osqlint

Varighet

14 timer (vanligvis 2 dag inkludert pauser)

Krav

Basic knowledge in Oracle SQL

Oversikt

Publikum

Alle som ønsker å forbedre sine grunnleggende ferdigheter i Oracle SQL og også systematisere allerede fått kunnskap.

Kursets format

25% forelesninger, 75% laboratorier

Machine Translated

Kursplan

Create complex queries to databases

  • Use available operators
  • Queries with multiple conditions

Creating tables and references

  • DDL commands (create, alter, and drop)
  • Create referential integrity
  • Normalization of tables (up to 3 normal form)
  • anomalies and ways to avoid them

Changes in the structure of existing tables

  • ALTER clause

Manipulation of data

  • DML commands (insert, update, delete)

Creating new users and granting permissions

  • DCL commands (grant, revoke)

Linking Tables

  • Internal and external joins

Data Aggregation

  • Features of grouping functions
  • Use the GROUP BY clause and HAVING
  • Grouping multiple column

Subqueries

  • multi-column
  • correlated
  • WITH clause

Testimonials

★★★★★
★★★★★

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