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1 cze 2021 · Fetch all names that start with any letter followed by 'atherine': SELECT name FROM names WHERE name LIKE '_atherine'; Fetch all names that end with 'a': SELECT name FROM n ames WHERE Sname LIKE '%a'; USEFUL FUNCTIONS Get the count of characters in a string: SELECT. LENGTH('LearnSQL.com');-- result: 12 Convert all letters to lowercase: SELECT ...
SQL is a standard language for storing, manipulating and retrieving data in databases. Our SQL tutorial will teach you how to use SQL in: MySQL, SQL Server, MS Access, Oracle, Sybase, Informix, Postgres, and other database systems. Start learning SQL now » Examples in Each Chapter.
The SQL Cookbook moves quickly from problem to solution, saving you time each step of the way.... Table of Contents. 1. Working with Ranges. 1.1. Locating a Range of Consecutive Values. 1.2. Finding Differences Between Rows in the Same Group or Partition. 1.3. Locating the Beginning and End of a Range of Consecutive Values. 1.4.
This book starts with a theoretical background to T-SQL querying and programming in Chapter 1, laying the foundations for the rest of the book, and basic coverage of creating tables and defining data integrity.
LIKE OPERATOR – PATTERN MATCHING. Use the _ character to replace any single character. Use the % character to replace any number of characters (including 0 characters). Fetch all names that start with any letter followed by 'atherine':
This book provides the tools you need to understand,modify,and create SQL queries. — Keith W. Hare,Convenor,ISO/IEC JTC1 SC32 WG3 — the International SQL Standards Committee.
SQL 3 Books 1 the Ultimate Beginner Intermediate Expert Guides to Master SQL Programming Quickly With Practical Exercises Mark Reed - Free ebook download as PDF File (.pdf), Text File (.txt) or read book online for free.
