Webshow all values if parameter is blank otherwise what is in the parameter Hi, it is a bit problematic recreate the same what I have in my viz because I use 2 data sources and one of them is live conection becuase of custom function I use to separate delimited string and some other processing of the string as input in the parameter. WebJun 3, 2016 · SQL Server will evaluate Field2 = @parameter2 when @parameter1 IS NULL. When '@Parameter1` is not null SQL Server will only return rows that match it. If you have a lot of rows in the source table, you may want to use a stored procedure to help optimize the possible choices.
Importance of Using Parameters (Multiple) in Oracle BI Publisher
WebSep 16, 2024 · Do not use the null on the SQL. You can set option1 and values of the special list values of the drop down properties Set Value1 to 0 and Option1 to your text of choice. When selecting the value the parameter specified as Variable will be set to null identifier. WebSep 15, 2024 · The IsNull function for each SqlType returns a SqlBoolean and can be used to check for null values. The following truth tables show how the AND, OR, and NOT operators function in the presence of a null value. (T=true, F=false, and U=unknown, or null.) Understanding the ANSI_NULLS Option spot pond boating
列、参数或变量 #10: 无法找到数据类型 - IT宝库
WebEnable or Disable the second level cache, which is enabled by default for classes which specifies a cache mapping. This is disabled by default as Oracle Utilities Application Fram WebAug 30, 2012 · NULLIF Syntax: 1 NULLIF(expr1, expr2) NULLIF returns NULL if expr1 is equal to expr2. If they are not equal expr1 is returned. Expressions must be of the same data type, There is no implicit conversion performed. Examples: NULLIF (‘A’,’B’) results in A NULLIF (‘A’,’A’) results in NULL NULLIF (2,3) results in 2 NULLIF (2,2) results in NULL WebMar 6, 2024 · At run-time, the user will be asked to provide a value for this parameter (or accept a default value if it is available). This works fine. What I want is to let the user choose whether to provide a value, or leave the parameter empty. In latter case, the reports should not take the parameter into account and display all available data. shen haixiong\u0027s wife