Condition query to parameter only if parameter has "usable" value? CONDITIONAL failed because the following SET options have incorrect settings: 'ANSI_PADDING'. V Conditional If in Where Clause Conditional Joining tables based on param value Conditional Unique Constraint Conditionally CREATE a VIEW in...
First off, when I say “conditional logic”, I am talking about something like this: “If A then B” where A and B are both conditions. For example, in a WHERE clause, you might want to implement a condition like this: “If (@ReturnAll <>1) THEN (EmpID = @EmpID)” In other w...
Specify a conditional orderCASEexpression Use ORDER BY in a ranking functionRanking functions Limit the number of rows returnedOFFSETandFETCH Use ORDER BY with UNION, EXCEPT, and INTERSECTUNION Basic syntax Examples in this section demonstrate the basic functionality of theORDER BYclause using the min...
o TheWHEREclause,ifgiven, indicates the conditionorconditions that rows must satisfytobe selected. where_conditionisan expression that evaluatestotrueforeach rowtobe selected. The statement selectsallrowsifthereisnoWHEREclause.IntheWHEREexpression, you canuseanyofthe functionsandoperators that MySQL suppo...
continue; } // Determine if this is a step that we need to surround with a conditional statement DeploymentScriptDomStep domStep = currentStep as DeploymentScriptDomStep; if (domStep == null) { // This step is not a step that we know how to modify, // so skip to the ...
Conditional WHERE clauses using “OR ... IS NULL” cause SQL performance problems. Don’t try to outsmart the database.
/* mssqltips.com */SELECT[LastName],[FirstName],[MiddleName]FROM[Person].[Person]WHERE[LastName]NOTLIKE'ac%'ORDERBY[LastName];GO Copy OR OR returns true if any criteria in the clause is met. This query returns records that either match the last name ‘Zwilling’ or the first name ...
The conditional behavior described for the MERGE statement works best when the two tables have a complex mixture of matching characteristics. For example, inserting a row if it doesn't exist, or updating a row if it matches. When simply updating one table based on the rows of another table,...
A conditional wrapper can be convenient if the only reason you are using a wrapper is to avoid raising an error and you do not need to distinguish those error cases from non-error cases. If your application is looking for a single object or array and the data matched by a pat...
This error may indicate data corruption or that the log file (.ldf) does not match the data file (.mdf). If this error occurred during replication, re-create the publication. Otherwise, restore from backup if the problem results in a failure during startup. 9004 21 Yes...