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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.
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.
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.
Our SQL Basics Resource offers a comprehensive overview of essential SQL concepts and commands—crucial for anyone looking to master database management and manipulation. Download our free SQL PDF and get started with SQL notes to help you understand the core of this essential query language.
17 lip 2024 · Key Highlights of SQL Tutorial PDF for Beginners: Author – Guru99; Pages – 220+ Format – PDF; Language – English; Access – LifeTime Download; Syllabus-Here is the link; eBook Preview – First Chapter FREE
Introduction. What Is SQL? Syntax & Structure. | 1 | Retrieving Data with SQL. The SELECT Statement. The FROM Clause. Limiting Data by Specifying Columns. SQL Predicates. Returning DISTINCT rows. TOP. The WHERE Clause. Table. 1 : List of conditional operators. Comparison Operators. Logical Operators.
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.
