syntaxsql 复制 <order_clause> ::= { <column_name_in_clr_table_type_definition> [ ASC | DESC ] } [ , ...n ] <method_specifier> ::= assembly_name.class_name.method_name <clr_function_option> ::= { [ RETURNS NULL O
If theoutparameter is used as the output parameter in an expression, the expression does not take effect in the following scenarios: (a) The execute immediate sqlv using func syntax is used to execute a function. (b) The select func into syntax is used to execute a function. (c) DML ...
syntaxsql 複製 <order_clause> ::= { <column_name_in_clr_table_type_definition> [ ASC | DESC ] } [ , ...n ] <method_specifier> ::= assembly_name.class_name.method_name <clr_function_option> ::= { [ RETURNS NULL ON NULL INPUT | CALLED ON NULL INPUT ] | [ EXECUTE_AS_Claus...
String concatenation refers to combining two or more strings into a single string. The Coalesce function in SQL, typically used for handling NULL values, can also be used for concatenating strings in certain database systems. When utilizing Coalesce for string concatenation, it assists in combining...
SQLFetch fetches the next rowset of data from the result set and returns data for all bound columns. Syntax C++ Copy SQLRETURN SQLFetch( SQLHSTMT StatementHandle); Arguments StatementHandle [Input] Statement handle. Returns SQL_SUCCESS, SQL_SUCCESS_WITH_INFO, SQL_NO_DATA, SQL_STILL_EXECUTI...
Syntax C++ Copy SQLRETURN SQLConnect( SQLHDBC ConnectionHandle, SQLCHAR * ServerName, SQLSMALLINT NameLength1, SQLCHAR * UserName, SQLSMALLINT NameLength2, SQLCHAR * Authentication, SQLSMALLINT NameLength3); Arguments ConnectionHandle [Input] Connection handle. ServerName [Input] Data source...
SQLExecDirect executes a preparable statement, using the current values of the parameter marker variables if any parameters exist in the statement. SQLExecDirect is the fastest way to submit a SQL statement for one-time execution. Syntax C++ Copy SQLRETURN SQLExecDirect( SQLHSTMT StatementHandle...
Both forms define how the window function should process query rows. They differ in whether the window is defined directly in theOVERclause, or supplied by a reference to a named window defined elsewhere in the query: ForOVER (window_spec)syntax, the window specification has several parts, all...
The Oracle/PLSQL LPAD function pads the left-side of a string with a specific set of characters (whenstring1is not null). Syntax The syntax for the LPAD function in Oracle/PLSQL is: LPAD( string1, padded_length [, pad_string] ) ...
The Oracle/PLSQL INSTR function returns the location of a substring in a string. Syntax The syntax for the INSTR function in Oracle/PLSQL is: INSTR( string, substring [, start_position [, nth_appearance ] ] ) Parameters or Arguments ...