SQL Query Language

Ebook "Learning PostgreSQL: Create, develop, and manage relational databases in real-world applications using PostgreSQL" help you learn about the PostgreSQL development life cycle including its testing and refactoring; build productive database solutions and use them in Java applications; a comprehensive guide to learn about SQL, PostgreSQL procedural language and PL/pgSQL.

464p tichhythan 17-08-2023 6 4   Download

This chapter presents the following content: Data definition, basic query structure, set operations, aggregate functions, null values, nested subqueries, complex queries, views, modification of the database.

68p haojiubujain04 27-07-2023 5 4   Download

In this chapter, we start by presenting the relational algebra, which forms the basis of the widely used SQL query language. We then cover the tuple relational calculus and the domain relational calculus, which are declarative query languages based on mathematical logic.

84p haojiubujain04 27-07-2023 5 4   Download

Chapter 3 introduction to SQL. This chapter presents the following content: Data definition, basic query structure, set operations, aggregate functions, null values, nested subqueries, complex queries, views, modification of the database.

78p haojiubujain04 27-07-2023 4 3   Download

Chapter 6 - Formal relational query languages. In this chapter, we start by presenting the relational algebra, which forms the basis of the widely used SQL query language. We then cover the tuple relational calculus and the domain relational calculus, which are declarative query languages based on mathematical logic.

88p haojiubujain04 27-07-2023 6 3   Download

Comorbidity adjustment is often performed during outcomes and health care resource utilization research. Our goal was to develop an efficient algorithm in structured query language (SQL) to determine the Elixhauser comorbidity index.

6p visteverogers 24-06-2023 2 2   Download

Ebook Database management systems/managing database: Part 1 presents the following content: Database Fundamentals; Database Relational Model; Structured Query Language; Advanced SQL; Integrity Constraints; Relational Language and Database Design. Please refer to the documentation for more details.

112p chankora 16-06-2023 5 2   Download

Ebook Database systems: Design, implementation, and management – Part 1 presents the following contents: Chapter 1: Database systems, Chapter 2: Data Models, Chapter 3: The Relational Database Model, Chapter 4: Entity Relationship (ER) Modeling, Chapter 5: Normalization of Database Tables, Chapter 6: Introduction to Structured Query Language (SQL), Chapter 7: Advanced SQL, Chapter 8: Database Design.

460p haojiubujain01 06-06-2023 8 3   Download

Web technologies and e-services: Lecture 4.1 provide students with knowledge about: what is SQL; how to access mySQL database; how to create a basic mySQL database; how to use some basic queries; how to use PHP and mySQL;... Please refer to the content of document.

16p tieuduongchi 24-10-2022 16 4   Download

This book "Database System Concepts (Sixth edition)" present the fundamental concepts of database management. These concepts include aspects of database design, database languages, and database-system implementation. Part 1 of book provide students with knowledge about: database-system applications; relational databases; structure of relational databases; introduction to SQL; intermediate SQL; advanced SQL; formal relational query languages; database design; database design and the E-R model; relational database design; data storage and querying;...

651p britaikridanik 05-07-2022 15 5   Download

Part 1 of book "Beginning T-SQL 2012 (Second edition)" provide students with knowledge about: getting started; writing simple select queries; using functions and expressions; querying multiple tables; grouping and summarizing data;...

202p britaikridanik 05-07-2022 16 5   Download

Continued part 1, part 2 of book "Beginning T-SQL 2012 (Second edition)" provide students with knowledge about: manipulating data; understanding T-SQ programming logic; working with XML; moving logic to the database; working with data types; writing advanced queries; where to go next;...

247p britaikridanik 05-07-2022 15 6   Download

Bài giảng Cơ sở dữ liệu - Chương 5: SQL (Structured Query Language) cung cấp cho học viên những kiến thức về định nghĩa dữ liệu; truy vấn dữ liệu; cập nhật dữ liệu; khung nhìn (view); chỉ mục (index);... Mời các bạn cùng tham khảo!

75p andromedashun 26-05-2022 29 4   Download

Lecture Database Systems - Chapter 6-7: SQL (Structured Query Language) has present the contents the company database; SQL developments: an overview; defining the company database schema; ambiguous attribute names; unspecified WHERE-clause; substring pattern matching and arithmetic operators;...

92p andromedashun 26-05-2022 15 4   Download

Lecture Database Systems - Chapter 0: Welcome has present the contents of the 14-week program of Database System; accompanied by reference materials for the course and the form of the final exam;...

5p andromedashun 26-05-2022 10 3   Download

Bài giảng Cơ sở dữ liệu (Database): Chương 4 - TS. Đặng Thị Thu Hiền cung cấp cho học viên các kiến thức về ngôn ngữ SQL - truy vấn, ràng buộc; câu lệnh mô tả dữ liệu DDL (Data Definition Language); câu lệnh thác tác dữ liệu DML (Data Manipulation Language); câu lệnh truy vấn dữ liệu SQL (Structured Query Language); câu lệnh quản lý dữ liệu DCL (Data Control Language);... Mời các bạn cùng tham khảo chi tiết nội dung bài giảng!

82p bachkhinhdaluu 10-12-2021 36 8   Download

Bài giảng Cơ sở dữ liệu: Chương 5 Ngôn ngữ SQL (Structured Query Language) cung cấp cho người học những kiến thức như: Giới thiệu; Một số quy ước cú pháp; Ngôn ngữ định nghĩa dữ liệu; Ngôn ngữ thao tác dữ liệu. Mời các bạn cùng tham khảo!

121p tomjerry005 17-11-2021 18 4   Download

"Giáo trình Quản trị cơ sở dữ liệu SQL - Đại học Kinh doanh và Công nghệ Hà Nội" được biên soạn nhằm giới thiệu về SQL Server 2005; Structured Query Language; ngôn ngữ thao tác dữ liệu – DML; ngôn ngữ định nghĩa dữ liệu – DDL; thủ tục lưu trữ, hàm và trigger; sao lưu và phục hồi dữ liệu; các hàm quan trọng trong T-SQL; kết nối vào SQL Server 2005 từ các ngôn ngữ lập trình để xây dựng các ứng dụng liên quan đến CSDL...

108p kequaidan11 08-04-2021 51 10   Download

In this chapter, the following content will be discussed: Relational databases, structured query language (SQL), database systems, database access from programming languages.

21p koxih_kothogmih3 24-08-2020 18 1   Download

Chapter 4 - Relational databases and enterprise systems. In this chapter students will be able to: Describe the advantages of relational databases, explain basic relational database principles, describe how to query using Structured Query Language (SQL), understand the purpose and basic framework for an enterprise system, assess how cloud computing facilitates enterprise systems.

21p shiwo_ding8 26-06-2019 20 5   Download