D. String comparison with spaces The following queries illustrate the comparison between strings where one side contains spaces and the other doesn't: SQLCopy CREATETABLE#tmp (c1VARCHAR(10)); GOINSERTINTO#tmpVALUES('abc ');INSERTINTO#tmpVALUES('abc'); GOSELECTDATALEN...
This example illustrates a simple assignment of string data to a variable using the = operator. SQL Copy DECLARE @dbname VARCHAR(100); SET @dbname = 'Adventure'; D. String comparison with spaces The following queries illustrate the comparison between strings where one side contains spaces...
right)cases:StructTypeiforder.direction==Descending=>-s.interpretedOrdering.asInstanceOf[Ordering[Any]].compare(left,right)caseother=>thrownewIllegalArgumentException(s"Type $other does not support ordered operations")}if(comparison!=0){returncomparison}}i+=1}0}}...
SQL_CA1_POSITIONED_DELETE = 当游标是动态游标时,支持 DELETE WHERE CURRENT OF SQL 语句。 (SQL-92 符合入口级别的驱动程序将始终将此选项作为支持返回。SQL_CA1_SELECT_FOR_UPDATE = 当游标是动态游标时,支持 SELECT FOR UPDATE SQL 语句。 (SQL-92 符合入口级别的驱动程序将始终将此选项作为支持返回。SQL...
> CREATE TABLE person (id INT, name STRING, age INT); > INSERT INTO person VALUES (100, 'John', 30), (200, 'Mary', NULL), (300, 'Mike', 80), (400, 'Dan' , 50); -- Comparison operator in `WHERE` clause. > SELECT * FROM person WHERE id > 200 ORDER BY id; 300 Mik...
SQL_CA1_POSITIONED_UPDATE = 當數據指標是動態數據指標時,支援UPDATE WHERE CURRENT OF SQL 語句。 (SQL-92 符合入門層級的驅動程式一律會傳回此選項,如支援。SQL_CA1_POSITIONED_DELETE = 當數據指標是動態數據指標時,支援 DELETE WHERE CURRENT OF SQL 語句。 (SQL-92 符合入門層級的驅動程式一律會傳回此...
(WHEREwhere=booleanExpression)?(GROUPBYgroupBy)?(HAVINGhaving=booleanExpression)?(ORDERBYsortItem(','sortItem)*)?(clusterBy)?//PRESTO没有这种写法,添加clusterBy语法规则(LIMITlimit=INTEGER_VALUE)?;booleanExpression:predicated #booleanDefault|NOTbooleanExpression #logicalNot|left=booleanExpression operator=...
Case statement with Between in Where Clause Case statement with Date Comparison CASE statement with substring CASE WHEN - Adding collate into it. Case WHEN and concatenate string CASE WHEN isnumeric(ColValue) THEN ... ELSE ... END CASE WHEN MIN,SUM ETC. CASE WHEN Problem with CASE NULL cas...
comparisons so that their lengths match before comparing them. The padding directly affects the semantics of WHERE and HAVING clause predicates and other Transact-SQL string comparisons. For example, Transact-SQL considers the strings 'abc' and 'abc ' to be equivalent for most comparison operations...
String & binary Spatial geography & instances (geography Data Type) Spatial geometry & instances (geometry Data Type) Data types XML DBCC Functions Language elements Queries Queries General SELECT FROM plus JOIN, APPLY, PIVOT WHERE Hints Predicates ...