Webb11 maj 2024 · 5 -- 1 -- select data we need SELECT * FROM call; SELECT * FROM call_outcome; SELECT * FROM customer; SELECT * FROM city; These queries are as simple as they could be, so there is nothing special to comment regarding their syntax. Regarding the data returned, we should be aware of the following: WebbYou can learn and practice the SQL queries from educba.com a very easy and simple understanding way. 1. IF () Function If the condition is the TRUE result is “YES” and if the condition is FALSE then “NO”. Syntax: IF( condition, value_if_true, value_if_false) SQL Statement: SELECT IF(400<2000, "YES", "NO"); Output: 2. COALESCE () Function
How to use If Statement in Where Clause in SQL?
WebbFirst variant of IF statement: Simple IF THEN This is a single level conditional statement. This conditional structure is commonly used to manipulate the data in the tables from the command prompt. Top courses in SQL SQL and PostgreSQL: The Complete Developer's Guide Stephen Grider 4.7 (6,560) The Complete SQL For Absolute Beginners Course Webb1 dec. 2024 · In this brief article we will explore the CASE statement which is equivalent to an IF-ELSE statement. The CASE statement checks each time conditions and returns a … raggs the 50 states that rhyme videos
SQL IF Statement introduction and overview - SQL Shack
Webb29 apr. 2024 · Following are Conditional Expressions in SQL. The CASE Expression: Let you use IF-THEN-ELSE statements without having to invoke procedures. In a simple CASE … WebbThis tutorial demonstrates how to write a query combining the AND condition with the OR condition in a single SQL query. We also explain how to let the database know which order to evaluate... Webb7 mars 2024 · CASE in SELECT SQL statements Let's start with the CASE expression. The CASE expression is used to evaluate a condition and return a value based on the result: SELECT id, name, CASE users.status WHEN 'pending' THEN false WHEN 'verified' THEN true END AS status FROM users; Output: id name status ----+-------+-------- 1 test f 2 test2 t raggs the 50 states that rhyme listen