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1 cze 2021 · USEFUL FUNCTIONS. Get the count of characters in a string: SELECT LENGTH('LearnSQL.com'); -- result: 12. Convert all letters to lowercase: SELECT LOWER('LEARNSQL.COM'); -- result: learnsql.com. Convert all letters to uppercase: SELECT UPPER('LearnSQL.com'); -- result: LEARNSQL.COM.
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 »
1 cze 2021 · USEFUL FUNCTIONS. Get the count of characters in a string: SELECT LENGTH('LearnSQL.com'); -- result: 12. Convert all letters to lowercase: SELECT LOWER('LEARNSQL.COM'); -- result: learnsql.com. Convert all letters to uppercase: SELECT UPPER('LearnSQL.com'); -- result: LEARNSQL.COM.
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.
Fast and Easy Conversion. Upload your SQL files, set table style if needed, choose the save format type and click on "Convert" button. You will get the download link as soon as the file is converted.
This document summarizes built-in SQL functions in Oracle. It covers character functions that return character and numeric values, numeric functions, date functions, conversion functions, group functions, and other miscellaneous functions.
Conholdate SQL to PDF Conversion is cross platform and cross browser conversion app that allow you to convert SQL to PDF in any modern browser (Chrome, Safari, Firefox, Opera, Tor, etc) and on any OS (Windows, Unix and MacOS) despite your PC specifications.
