In Oracle/PLSQL, thedecodefunction has the functionality of an IF-THEN-ELSE statement. The syntax for thedecodefunction is: decode( expression , search , result [, search , result]… [, default] ) expressionis the value to compare. searchis the value that is compared againstexpression. res...
The DECODE function in Oracle is a versatile and powerful tool that allows users to perform conditional transformations on data within an SQL query. It is similar to the CASE statement, but it offers a more compact syntax, making it a popular choice for simplifying complex queries and improving...
Oracle DECODE() function syntax The following illustrates the syntax of the OracleDECODE()function: Arguments e The first argument e is the value to be searched. The function automatically converts e to the data type of s1 before comparing. ...
InOracle/PLSQL,theinstrfunctionreturnsthelocationofasubstringinastring. Thesyntaxfortheinstrfunctionis: instr(string1,string2,[start_position],[nth_appearance]) string1isthestringtosearch. string2isthesubstringtosearchforinstring1. start_positionisthepositioninstring1wherethesearchwill start.Thisargumentis...
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Oracle/PLSQL syntax of the DECODE functionDECODE( expression_id , search_id , result_id [, search , result]... [, default] )Parameters or argumentsexpression_id –is an expression for comparison. search_id –value that is compared to. result_id –value returned if the expression coincided...
Simple CASE expressions use expressions to determine the returned value and have the following syntax: CASE search_expression WHEN expression1 THEN result1 WHEN expression2 THEN result2 ... WHEN expressionN THEN resultN ELSE default_result
In Oracle/PLSQL, the decode function has the functionality of an IF-THEN-ELSE statement. The syntax for the decode function is: decode( expression , search , result [, search , result]... [, defaul ...
The decode function can be used in SQL for and IF-THEN-ELSE construction. It's an alternative for the CASE statement which was introduced in Oracle 8. Syntax: decode( expression , compare_value, return_value, [,compare, return_value] ... [,default_return_value] ) ...
oracle max(decode用法 In Oracle, the MAX function can be used in combination with the DECODE function to return the maximum value from a set of different values based on specified conditions. The syntax for using MAX and DECODE together is: ``` SELECT MAX(DECODE(condition, value, expression...