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🔵 In this live session on the SQL Functions and clause, you will learn basic functions In SQL, string functions, Case Statement, If, Function, user-defined...
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 names WHERE name LIKE '%a'; USEFUL FUNCTIONS. Get the count of characters in a string: SELECT LENGTH('LearnSQL.com');-- result: 12 Convert all letters to lowercase: SELECT ...
19 mar 2019 · Master SQL – an essential skill for AI, machine learning, data analysis, and more! 📚 This beginner-friendly course teaches you SQL from scratch.🚀 Want a co...
In this step-by-step tutorial, learn how you can write your own SQL queries. You don't need any prior knowledge and we're going to use all free tools. By the end of this video, you'll know...
25 sie 2021 · This comprehensive cheat sheet is packed with syntax for different text and numeric functions, CASE WHEN statements, handling NULL, date and time types, INTERVALs, and aggregate functions. It also features a troubleshooting section to help you navigate through common issues seamlessly.
By definition, in Oracle SQL an expression is a SQL code command or even another function. SQL functions may accept arguments and always retum a value. Most of the functions described in this lesson are specific to Oracle's versions.
17 sie 2023 · We’ll soon show you 20 basic SQL query examples to start talking with the database. All these queries are taught in our SQL Basics course. This course will give you even more structure, examples, and challenges to solve.
