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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™.
SET TRANSACTION statementUse the SET TRANSACTION statement to define the isolation level and to specify whether the access mode of a transaction is read-only or read-write.
HCL OneDB™ Isolation Levels

HCL OneDB Isolation Levels

The following definitions explain the critical characteristics of each isolation level, from the lowest level of isolation to the highest.