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Chapter 45 SQL command from (I)

Chapter 45 SQL command from (I) A select clause that specifies one or more tables to query. outline SELECT … FROM [optimize-option] table-ref [[AS] t-alias][,table-ref [[AS] t-alias]][,…] parameter optimize-optioN – optional – specifies a single keyword or a series of keywords separated by spaces for query optimization options (optimizer tips). The following keywords are supported:%ALLINDEX、%FIRSTTABLE […]