c# script to check SQL server Service Status C# script to open email attachment(.msg) in a folder and download attachment. C# searching a Access Database C# see if files exist in SFTP directory C# Select .CSV F
I was trying to do some kind of query optimization tree using C# .reading any query statement from user and then do some operations over it. but what i can't did was to check if this query is valid or not in other wo...
You can use empty() function to check if the value is empty.https://docs.microsoft.com/en-us/azure/logic-apps/workflow-definition-language-functions-reference#emptyIt returns Boolean value. empty(body('Exceute_a_sql_query')?['ResultSets']) OR, you can also compare with null value equal...
T-SQL allows you to write in batches, which are sets of multiple statements performing a series of operations on your database. SQL Server can then compile the statements into one query. Fortunately, you’re also able to determine the order of batch statements. You could, for instance, writ...
I was wondering whether there is a way to check if LINQ query will be translated to single SQL query/statement or multiple SQL queries/statements when using AsSplitQuery() extension method or QuerySplittingBehavior.SplitQuery option in m...
Checklist: SQL Server PerformanceSend feedback to Scale@microsoft.compatterns & practices LibrarySummary: You can use SQL Query Analyzer to examine the query execution plan of Transact-SQL (T-SQL) queries. This How To describes how to optimize T-SQL queries by using SQL Query Analyzer, and ...
How To Check if MySQL Query Caching is Turned OnPublished on January 02, 2007By Pete FreitagNeed to know if the query cache is turned on in MySQL? Simply run the following SQL statement:SHOW VARIABLES LIKE 'query_cache_type'; If the query cache is turned on it should look something like...
To select everything from a table, use * (asterisk operator) Select * from employee; After writing the query, click on the execute button to check for errors Once the query is executed, the table appears Select Distinct in SQL A column often contains many duplicate values, and sometimes the...
Before we move forward to check the record in thetable. As an example, we will create a table program using the SQL statements contained in theBaeldung University schema. Now, to check if a record exists, we have to make a SELECT query targeting the relevant table and conditions. If the...
FROMsys.check_constraints WHEREOBJECT_NAME(parent_object_id)='CountryList' It means that the check constraint has not been verified by the system for all rows. SQL Server uses the check constraint to improve the performance of the query. Then the data engine will have to read the data from...