SQL Fundamentals培训

课程编码

sqlfun

课程时长

14 小时 通常来说是2天,包括中间休息。

要求

Basic computer skills.

课程概览

此SQL培训课程适用于希望获得从任何数据库中提取和分析数据并创建报告所需技能的人员。课程成员将学习:

  • 如何编写SQL查询
  • 什么是关系数据库以及我们如何使用它们
  • 什么是关系以及如何创建它们
  • 数据结构
  • SQL方言之间的差异(Oracle,T-SQL,ANSI)
  • 编写查询的实用技巧

此SQL课程处理通用ANSI SQL。它可以在任何数据库中使用,包括Oracle,MySQL,Microsoft Access,Microsoft SQL Server,DB2,Informix,PostgreSQL等任何其他关系数据库。

Machine Translated

课程大纲

RDBMS (Relational DataBase Management System)

Relational Operators

SQL as Declarative Language

SQL Syntax

SQL Sublanguages DQL, DML, DDL, DCL

DQL (Data Query Language) in Detail

  • SELECT clause
  • Column aliases
  • Table aliases
  • Date types and Date functions
  • Group function
  • Table joins
  • JOIN clause
  • UNION operator
  • Nested queries
  • Correlated subqueries

DML (Data Manipulation Language) Overview

  • Inserting rows (INSERT)
  • Inserting rows using subquery
  • Updating rows (UPDATE)
  • Deleting rows (DELETE)

DDL (Data Definition Language) Overview

  • Creating, altering and dropping objects (CREATE, ALTER, DROP)
  • Creating tables using subquery (CREATE TABLE .... AS SELECT...)

CONSTRAINTS Overview

  • NULL i NOT NULL
  • CONSTRAINT clause
  • ENUM type
  • SET type
  • PRIMARY KEY
  • UNIQUE
  • FOREIGN KEY
  • DEFAULT clause

Transactions Overview

  • COMMIT
  • ROLLBACK
  • SAVEPOINT
  • Implicit and explicit rollbacks and commits

SQL Dialects Overview

  • MySQL
  • Microsoft Access and SQL Server
  • Oracle and PostgreSQL

客户评论

★★★★★
★★★★★

课程分类

促销课程

订阅促销课程

为尊重您的隐私,我公司不会把您的邮箱地址提供给任何人。您可以享有优先权和随时取消订阅的权利。

我们的客户

is growing fast!

We are looking to expand our presence in China!

As a Business Development Manager you will:

  • expand business in China
  • recruit local talent (sales, agents, trainers, consultants)
  • recruit local trainers and consultants

We offer:

  • Artificial Intelligence and Big Data systems to support your local operation
  • high-tech automation
  • continuously upgraded course catalogue and content
  • good fun in international team

If you are interested in running a high-tech, high-quality training and consulting business.

Apply now!