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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™.
DATABASE statementUse the DATABASE statement to open an accessible database as the current database. This statement is an extension to the ANSI/ISO standard for SQL.
SQLCA.SQLWARN Settings Immediately after DATABASE Executes (ESQL/C)

SQLCA.SQLWARN Settings Immediately after DATABASE Executes (ESQL/C)

Immediately after DATABASE executes, you can identify characteristics of the specified database by examining warning flags in the sqlca structure.

If the first field of sqlca.sqlwarn is blank, then no warnings were issued.
The second sqlca.sqlwarn field is set to the letter W if the database that was opened supports transaction logging.
The third field is set to W if database is an ANSI-compliant database.
The fourth field is set to W.
The fifth field is set to W if database converts all floating-point data to DECIMAL format. (System lacks FLOAT and SMALLFLOAT support.)
The seventh field is set to W if database is the secondary server (that is, running in read-only mode) in a data-replication pair.
The eighth field is set to W if database has DB_LOCALE set to a locale different from the DB_LOCALE setting on the client system.

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