- USE yourschema;
describe managers; - CREATE TABLE newtablename
SELECT * FROM existingtablename - By using a WHERE clause.
- TRUNCATE TABLE tablename;
- UPDATE table1 t1
INNER JOIN table2 t2
ON t1.id = t2.id
SET t1.col1 = t2.col1 - A grouping of one or more changes to the database.
- To start a transaction in MySQL, use the START TRANSACTION or BEGIN keywords. To commit the transaction, you use the COMMIT keyword. To roll back a transaction, use the ROLLBACK keyword.
- ALTER TABLE table1
ADD COLUMN col2 datatype constraint AFTER col1; - ALTER TABLE table1
CHANGE COLUMN col1 col1 newdatatype;
ALTER TABLE table1 - CHANGE COLUMN col1 col1a datatype;
-
Book Overview & Buying
-
Table Of Contents
Learn SQL Database Programming
By :
Learn SQL Database Programming
By:
Overview of this book
SQL is a powerful querying language that's used to store, manipulate, and retrieve data, and it is one of the most popular languages used by developers to query and analyze data efficiently.
If you're looking for a comprehensive introduction to SQL, Learn SQL Database Programming will help you to get up to speed with using SQL to streamline your work in no time. Starting with an overview of relational database management systems, this book will show you how to set up and use MySQL Workbench and design a database using practical examples. You'll also discover how to query and manipulate data with SQL programming using MySQL Workbench. As you advance, you’ll create a database, query single and multiple tables, and modify data using SQL querying. This SQL book covers advanced SQL techniques, including aggregate functions, flow control statements, error handling, and subqueries, and helps you process your data to present your findings. Finally, you’ll implement best practices for writing SQL and designing indexes and tables.
By the end of this SQL programming book, you’ll have gained the confidence to use SQL queries to retrieve and manipulate data.
Table of Contents (24 chapters)
Preface
Section 1: Database Fundamentals
Free Chapter
Introduction to Relational Database Management Systems
Installing and Using MySQL Workbench
Understanding Data Types
Designing and Creating a Database
Importing and Exporting Data
Section 2: Basic SQL Querying
Querying a Single Table
Querying Multiple Tables
Modifying Data and Table Structures
Section 3: Advanced SQL Querying
Working with Expressions
Grouping and Summarizing Data
Advanced Querying Techniques
Programmable Objects
Section 4: Presenting Your Findings
Exploring and Processing Your Data
Telling a Story with Your Data
Section 5: SQL Best Practices
Best Practices for Designing and Querying
SQL Appendix
Assessments
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