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SQL programmingYou can use the HCL OneDB™ implementation of the SQL language to develop applications for HCL OneDB™ database servers.
Guide to SQL: SyntaxThe HCL OneDB™ Guide to SQL: Syntax describes the syntax of the statements, data types, expressions, operators, and built-in functions of the HCL OneDB™ dialect of the SQL language.
SQL statementsThis chapter describes the syntax and semantics of SQL statements that are recognized by HCL OneDB™.
OPEN statementUse the OPEN statement to activate a cursor.
Specifying a Pointer to an sqlda Structure (ESQL/C)

Specifying a Pointer to an sqlda Structure (ESQL/C)

If you do not know the number of parameters to be supplied at runtime, or their data types, you can associate input values from an sqlda structure. An sqlda structure lists the data type and memory location of one or more values to replace question-mark ( ? ) placeholders.

Use the DESCRIPTOR keyword to introduce a pointer to the sqlda structure as the location of the parameters.

The sqlda value specifies the number of input values that are described in occurrences of sqlvar. This number must correspond to the number of dynamic parameters in the prepared statement.