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IF(type = 'P', amount, amount * -1) as amount. FROM report. See https://dev.mysql.com/doc/refman/8.0/en/flow-control-functions.html. Additionally, you could handle when the condition is null. In the case of a null amount: SELECT id, IF(type = 'P', IFNULL(amount,0), IFNULL(amount,0) * -1) as amount. FROM report.
21 Αυγ 2024 · MySQL IF-THEN-ELSE Statement: When the condition checks to be TRUE, the statements between IF-THEN and ELSE execute. On the other hand, the statements (else-statements) between the ELSE and END IF execute. Syntax: IF condition THEN. statements; ELSE. else-statements; END IF; Parameters Used:
10 Μαρ 2024 · It can involve single or multiple columns. For example: Checking whether the value against the column is > 100. Here, we can write a condition if column_name > 100. value_true: This is the String value which we would like to get displayed against the condition if it’s evaluated to true.
1 Ιουν 2022 · Conclusion. MySQL IF statements: syntax and examples. The IF statement allows you to verify a condition. There are three types of MySQL IF statements: IF-THEN-ELSEIF-ELSE. MySQL IF-THEN statement. You can use IF-THEN to run a collection of SQL queries based on a condition. Here is the statement syntax: IF condition THEN statements; END IF;
Use IF...THEN...ELSEIF...ELSE statement to evaluate multiple conditions sequentially and execute corresponding blocks of statements based on the first true condition, with an optional block of statements to execute if none of the conditions is true.
This tutorial shows how to use the IF / ELSE / END IF syntax followed by the alternative SELECT CASE syntax. For all but the simplest conditions the SELECT CASE format will give code which is easier to write, comment and understand.
5 Φεβ 2023 · VBA If, ElseIf, Else in Access VBA. The If, ElseIf and Else functions work exactly the same in Access VBA as in Excel VBA. You can use an If statement to check if there are records in a Recordset.
