function also provides a way to replace a value with the null if the result is true. Here @Param is a nullable parameter and isnull checks the parameter is a null value or not. If it is a null, it replaces it w
INSERT INTO #TESTTABLE (VALID_FROM, VALID_TILL) VALUES (GETDATE(), GETDATE()) INSERT INTO #TESTTABLE (VALID_FROM, VALID_TILL) VALUES (GETDATE(), NULL) SELECT * FROM #TESTTABLE WHERE ISNULL(VALID_TILL, GETDATE()) = CAST(GETDATE() AS DATE) SELECT * FROM #TESTTABLE WHERE VALID_T...
It helps to examine how changes in the independent variables impact the dependent variable. By fitting a mathematical model to the data, regression allows us to make predictions or estimate values for the dependent variable. This is based on the values of the independent variables. It is widely ...
(provider: TCP Provider, error: 0 - The semaphore timeout period has expired.) A USE database statement is not allowed in a procedure, function or trigger. A week this year Against a week this time last year in SQL (NOT MDX) A WITH keyword and parenthesis are now required Accent ...
and marks participants that have not yet completed a given schema operation as failed when detecting timeout. It also provides suitable warnings whenever a schema operation timeout occurs. (It should be noted that, after such a timeout is detected, the schema operation itself continues.) Addition...
Many people have used a "Numbers" or "Tally" table without really knowing what it does. This is an introduction as to how a Tally table replaces a loop.
char *str = NULL; // Implicit conversion from void * to char * int i = NULL; // OK, but `i` is not pointer type 2️⃣ Function calling ambiguity void func(int) {} void func(int*){} void func(bool){} func(NULL); // Which one to call? Compilation produces the following ...
'cannot access the file' when run as an SQL Agent Job (works when executed from BIDS) 'DECODE' is not a recognized built-in function name. 'DTEXEC.EXE' is not recognized as an internal or external command, 'gacutil' is not recognized as an internal or external command 'http://schemas...
SQL Server maintenance activity is extremely important for the databases to run smoothly. However, when it comes to performing maintenance activity on Azure...
""This function takes a DataFrame(df) as input and returns two columns, total missing values and total missing values percentage""" total = df.isnull().sum().sort_values(ascending= False percent = round(df.isnull().sum().sort_values(ascending= False/len(df)*100,2) return pd....