This Oracle tutorial explains how to use the IF-THEN-ELSE statement in Oracle with syntax and examples. In Oracle, the IF-THEN-ELSE statement is used to execute code when a condition is TRUE, or execute different code if the condition evaluates to FALSE.
In these examples, we decide as per the conditions. For example, if I get a bonus then only I will go for an international vacation else I will go for domestic vacations. We need to incorporate these conditions-based decisions in programming logic as well. SQL Server provides the capability...
SELECT @ID = CASE @contacttype WHEN 'Broker' THEN s.BrokerID WHEN 'FundAcct' THEN s.FundAccountantID' WHEN 'Custodian' THEN s.CustodianID ELSE NULL END FROM ... (rest of statement) - Craig Farrell Never stop learning, even if it hurts. Ego bruises are practically mandatory as you lea...
In this nested IF...ELSE statement example, we will print 'TechOnTheNet.com' if the variable @site_value is less than 25. Otherwise, the first ELSE condition will be executed. Within this ELSE condition, there is a nested IF...ELSE statement that will print 'CheckYourMath.com' if the...
Let’s illustrate with an example. The following SQL statement will return “Monday” if today is a Monday, otherwise it returns “Not a Monday”. SETDATEFIRST1-- first day of the week is a MondaySELECTCASEWHENDATEPART(WEEKDAY,GETDATE())=1THEN'Monday'ELSE'Not a Monday'END ...
存储程序的 IF 语句实现了一个基本的条件结构。注意还有一个 IF() 函数,它与这里描述的IF语句不同。IF语句可以有THEN、ELSE和ELSEIF子句,并以END IF结束。如果给定的search_condition计算结果为true,则执行相应的THEN或ELSEIF子句statement_list。如果没有匹配的search_condition,则执行ELSE子句statement_list。每个sta...
Imposes conditions on the execution of a Transact-SQL statement. The Transact-SQL statement (sql_statement) following the boolean_expression is executed if the boolean_expression evaluates to TRUE. The optional ELSE keyword is an alternate Transact-SQL statement that is executed when boolean_...
if/then else case statement query in SQL ServerThis creates start and end columns by doing a ...
The ELSE condition is optional to use Let’s explore SQL IF Statement using examples. Example 1: IF Statement with a numeric value in a Boolean expression In the following example, we specified a numeric value in the Boolean expression that is always TRUE. It prints the statement for If sta...
SQL Statement is: SELECT FROM subscribers WHERE (username='".$user1."' AND userpass='".$pass1."') Then I would like to have an IF statement that interrogates something that would be 0 or null if there were no records found on the select. ...