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www.directhit.com/ansres/PERL-Grep.html
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The parentheses change the context in which the grep is evaluated from scalar context to list context. In scalar context grep returns the number of times the expression was true.
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www.ask.com/faqcentral/perl_t.html
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The parentheses change the context in which the grep is evaluated from scalar context to list context. In scalar context grep returns the number of times the expression was true.
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msdn.microsoft.com/en-us/library/ms144886.aspx
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In Multidimensional Expressions (MDX), a scalar expression is an element of MDX syntax that, when evaluated, returns a single value within the context of ...
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connect.microsoft.com/SQLServer/feedback/details/273443...
connect.microsoft.com/SQLServer/feedback/details/273443/the-scalar-expression-function-would-speed-performance-while-keeping-the-benefits-of-functions
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Apr 25, 2007 ... SQL Server scalar User-Defined Functions (UDFs) have a performance problem that could be solved with an enhancement to the SQL Server ...
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www.dbforums.com/microsoft-sql-server/1001810-subquerie...
www.dbforums.com/microsoft-sql-server/1001810-subqueries-not-allowed-context-only-scalar-expressions-allowed.html
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Hi, I was trying to run an insert statement which has subquery, But it is returning the error like this.. Subqueries are not allowed in this context.
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documentation.softwareag.com/natural/nat426mf/sm/scalar...
documentation.softwareag.com/natural/nat426mf/sm/scalar.htm
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A scalar-expression consists of a factor or other scalar expressions including scalar ... Concerning reference priority, scalar expressions behave as follows: ...
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www.firstsql.com/tutor3.htm
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Predicate Subqueries -- subqueries in logical expressions; Scalar Subqueries -- subqueries in scalar expressions; Table Subqueries -- subqueries in the FROM ...
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www.boost.org/doc/libs/1_48_0/libs/numeric/ublas/doc/ex...
www.boost.org/doc/libs/1_48_0/libs/numeric/ublas/doc/expression_concept.htm
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A Scalar Expression is an expression convertible to a scalar type. ... The run-time complexity of the evaluation is specific for the evaluated scalar expression.
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perl.plover.com/context.html
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Every Perl expression is in one of two `contexts', either `list context' or `scalar context', depending on whether it is expected to produce a list or a scalar.
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