what scalar variable

See some of these hints in the PHP error log: [27-aug-2011 22:26:12] PHP Warning:cannot use a scalar value as an array in/www/hx/enjoy.php on line 14 [27-aug-2011 22:26:18] PHP Warning:cannot use a scalar value as an array in/www/hx/enjoy.php on

Preface: Definition:The concept of singular and plural: Scalar is a single thing. perl uses scalar (the simplest data type in perl) to call a single thing. For most scalar values, it is either a number or a string composed of characters (perl does

User-defined FunctionsWhen using SQL Server, in addition to its built-in functions, it allows the user to define functions as needed. A user-defined function can be divided into three categories based on the type of the value returned by the

1. Initialization of arrays(1) Create an array with arrayA: $products = array (' tires ', ' oil ', ' Spark plugs ');Array () is actually a language structure, not a function B: Initializing the related array$prices = Array (' Tires ' =>100, ' oil ' =

SQL Server Scalar Value Function instance and reason analysis cannot be called. If MSSQL scalar value function is used, add dbo before the function. Otherwise, the error "not a recognizable built-in function name" is reported. SQL server Scalar

bool is_scalar ( mixed $var ) If the given variable parameter var is a scalar,is_scalar () returns TRUE , otherwise returns FALSE .Scalar variables are variables that contain an integer,float,string, or Boolean, while array, object,and resource

Tag: Class gets fetch data value temp End build reference dep1 Overview of issuesIn the DAL layer, the following exception occurs when assigning a value to a variable by a scalarLet's take a look at the SQL statements in the data access layer://get

MLGB Microsoft sqlserver has a BUG. When using Table variables for modification, it will remind you that the scalar variable @ tempTable must be declared. First, * createtabletest (idintidentity (1,1), namevarchar (10)

Differences between SQL table valued functions and scalar functions    When writing SQL stored procedures, you often need to call some functions to make the processing process more reasonable and make the function more reusable. However,

Write SQL stored procedures often need to call some functions to make the process more reasonable, but also to make the function more reusable, but when writing SQL functions may find that some functions are written under the table-valued function,