Search results
The SQL cheat sheet provides you with the most commonly used SQL statements for your reference. You can download the SQL cheat sheet as follows: Download 3-page SQL cheat sheet in PDF format. Querying data from a table. Query data in columns c1, c2 from a table. SELECT c1, c2 FROM t; Code language: SQL (Structured Query Language) (sql)
The SQL LIKE Operator. The LIKE operator is used in a WHERE clause to search for a specified pattern in a column. There are two wildcards often used in conjunction with the LIKE operator: The percent sign % represents zero, one, or multiple characters; The underscore sign _ represents one, single character
Learning SQL eBook (PDF) Download this eBook for free. Chapters. Chapter 1: Getting started with SQL. Chapter 2: ALTER TABLE. Chapter 3: AND & OR Operators. Chapter 4: Cascading Delete. Chapter 5: CASE. Chapter 6: Clean Code in SQL.
11 paź 2011 · If the data is exactly "##-AAA", you can just use LIKE '[0-9][0-9]-[A-Z][A-Z][A-Z]'. If the data contains this sequence somewhere, use LIKE '%[0-9][0-9]-[A-Z][A-Z][A-Z]%'.
Basic SQL Queries. { Syntax of a basic SQL query. SELECT clause: specify columns to be retained in the result (projection in RA) FROM clause: specify a cross-product of tables. WHERE clause: optional; specify selection conditions on the tables in FROM clause. (selections in RA)
25 lut 2018 · No part of this publication may be reproduced, stored in a retrieval system or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, scanning or otherwise, except as permitted under Sections
This reference contains a complete description of the Structured Query Language (SQL) used to manage information in an Oracle Database. Oracle SQL is a superset of the American
