Αποτελέσματα Αναζήτησης
15 Σεπ 2008 · Simple if-else statement in SQL Server: DECLARE @val INT; SET @val = 15; IF @val < 25 PRINT 'Hi Ravi Anand'; ELSE PRINT 'By Ravi Anand.'; GO Nested If...else statement in SQL Server - DECLARE @val INT; SET @val = 15; IF @val < 25 PRINT 'Hi Ravi Anand.'; ELSE BEGIN IF @val < 50 PRINT 'what''s up?'; ELSE PRINT 'Bye Ravi Anand.'; END; GO
28 Μαΐ 2024 · We can use either a CASE statement or an IIF() function to implement IF-THEN logic in SQL. In this tutorial, we’ll explore how to implement IF-THEN logic in SQL across various dialects such as SQL Server, MySQL, and PostgreSQL.
12 Σεπ 2022 · The following example SELECT statement checks to see if a customer id exists in the customer table. IF statements combined with the EXISTS function are common to validate parameter values.
30 Οκτ 2023 · The SQL IF statement in SELECT queries is utilized to introduce conditional logic, allowing for more dynamic and flexible data retrieval. Essentially, it lets you specify conditions to dictate which data should be fetched or how it should be displayed.
20 Μαΐ 2019 · The condition in SQL IF Statement should return a Boolean value to evaluate. We can specify a Select statement as well in a Boolean expression, but it should enclose in parentheses. We can use BEGIN and END in the IF Statement to identify a statement block. The ELSE condition is optional to use.
4 Νοε 2022 · In this Article of SQL If Statement, first we covered an overview and key point of SQL if statement, Syntax and syntax argument has been explained, Practical examples of SQL If Statement has been discussed with variable value in condition, constant value has been compared, SQL If with Select query to executed and at the end of the article ...
The SQL SELECT Statement. The SELECT statement is used to select data from a database. Example. Return data from the Customers table: SELECT CustomerName, City FROM Customers; Try it Yourself » Syntax. SELECT column1, column2, ... FROM table_name; Here, column1, column2, ... are the field names of the table you want to select data from.
