The expression can be a noncomputed column name, constant, function, variable, and any combination of these connected by one or more operators. The expression can't be a subquery or contain alias data types. Computed columns can be used in select lists, WHERE clauses, ORDER BY clauses, ...
CREATE SCHEMA CREATE SERVER CREATE SHARE CREATE STREAMING TABLE CREATE TABLE 數據表屬性和數據表選項 CREATE TABLE 使用 Hive 格式 CREATE TABLE CONSTRAINT CREATE TABLE 使用中 CREATE TABLE LIKE CREATE VIEW CREATE VOLUME DECLARE VARIABLE DROP CATALOG ...
Unlike the majority of the other data types in SQL Server, you cannot use a table variable as an input or an output parameter. In fact, a table variable is scoped to the stored procedure, batch, or user-defined function just like any local variable you create with a DECLARE statement. T...
An alias type based on a SQL Server system data type. Alias data types are created with the CREATE TYPE statement before they can be used in a table definition. The NULL or NOT NULL assignment for an alias data type can be overridden during the CREATE TABLE statement. However, the length...
1 This definition of session variable is specific to this context, as part of non-deterministic-expression. column-constraint: CONSTRAINTconstraint-namePRIMARY KEYUNIQUEreferences-clauseCHECK(check-condition) period-definition: PERIOD FOR SYSTEM_TIME(begin-column-name,end-column-name)BUSINESS_TIME(begi...
SubCreateTableX6()OnErrorResumeNextApplication.CurrentDb.Execute"Drop Table [~~Kitsch'n Sync];"OnErrorGoTo0'This example uses ADODB instead of the DAO shown in the previous'ones because DAO does not support the DECIMAL and GUID data typesDimconAsADODB.ConnectionSetcon = CurrentProject.Connection ...
CREATE [ OR ALTER ] FUNCTION [ schema_name. ] function_name ( [ { @parameter_name [ AS ] [ type_schema_name. ] parameter_data_type [ NULL ] [ = default ] [ READONLY ] } [ , ...n ] ] ) RETURNS @return_variable TABLE <table_type_definition> [ WITH <function_option> [ ,...
ITableVariableCreateTableVariable(stringname, ITableDataType dataType) 参数 name 类型:System. . :: . .String The name of the variable to create. dataType 类型:Microsoft.SqlServer.Management.SqlParser.Metadata. . :: . .ITableDataType
tree_train(training_table_name,output_table_name,id_col_name,dependent_variable,list_of_features,list_of_features_to_exclude,split_criterion,grouping_cols,weights,max_depth,min_split,min_bucket,num_splits,pruning_params,surrogate_params,verbosity) ...
PL/SQL programming language allows to define various types of variables, such as date time data types, records, collections, etc. which we will cover in subsequent chapters. For this chapter, let us study only basic variable types. Variable Declaration in PL/SQL ...