In case the arguments are not equal, the NULLIF() function returns the first argument. The following illustrates the syntax of the Oracle NULLIF() function: NULLIF(e1, e2);Code language: SQL (Structured Query Language) (sql) In this syntax, the e1 cannot be a literal NULL....
The NULLIF() function returns NULL if two expressions are equal, otherwise it returns the first expression.SyntaxNULLIF(expr1, expr2)Parameter ValuesParameterDescription expr1, expr2 Required. The two expressions to be compared Technical DetailsWorks in: SQL Server (starting with 2008), Azure SQL...
NULLIF function Focus mode Syntax The NULLIF expression compares two arguments and returns null if the arguments are equal. If they are not equal, the first argument is returned. This expression is the inverse of the NVL or COALESCE expression....
Function list in alphabetical order abs function acos function acosh function add_months function aes_decrypt function aes_encrypt function aggregate function ai_analyze_sentiment function ai_classify function ai_extract function ai_fix_grammar function ai_forecast function ai_gen function ai_generate_text...
MySQLNULLIF()Function ❮Previous❮ MySQL FunctionsNext❯ ExampleGet your own SQL Server Compare two expressions: SELECTNULLIF(25,25); Try it Yourself » Definition and Usage The NULLIF() function compares two expressions and returns NULL if they are equal. Otherwise, the first expression is...
SQL> create or replace function sleep_now return number is 2 i number; 3 begin 4 i :=0; 5 while8 6 i<=1000000 7 loop 8 i :=i+1; 9 end loop; 10 return i; 11 end; 12 / --创建一个sleep_now函数,目的是为了加长sql执行的时间 ...
NULLIF is equivalent to a searched CASE expression in which the two expressions are equal and the resulting expression is NULL.We recommend that you not use time-dependent functions, such as RAND(), within a NULLIF function. This could cause the function to be evaluated twice and to return ...
IBM Big SQL NULLIF scalar function The NULLIF function returns a null value if the arguments are equal, otherwise it returns the value of the first argument. NULLIF(expression1 ,expression2) The schema is SYSIBM. expression1 An expression that returns a value of any built-in or user-...
NULLIF is equivalent to a searched CASE expression in which the two expressions are equal and the resulting expression is NULL. We recommend that you not use time-dependent functions, such as RAND(), within a NULLIF function. This could cause the function to be evaluated twice and to return...
NULLIF is equivalent to a searched CASE expression in which the two expressions are equal and the resulting expression is NULL. We recommend that you not use time-dependent functions, such as RAND(), within a NULLIF function. This could cause the function to be evaluated twice and to return...