Sometimes, ClearSQL is very particular about keyword usage. Why?
Both ANSI SQL and Oracle SQL use two types of keywords – reserved and non-reserved. For example, the keyword SELECT is considered reserved in both ANSI SQL and Oracle SQL, and – as a consequence – you cannot name any entity (program variable, table name, column name ..) SELECT. With some keywords, ANSI SQL and Oracle SQL disagree about a particular keyword’s reserved status. For example the keyword MEMBER, e.g. is reserved in ANSI SQL but non-reserved in Oracle. ClearSQL’s own parser has been constantly improved and enhanced over its 7 years of development and being in use.
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