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WebMar 2, 2011 · In SQL you may only use table type which is defined at schema level (not at package or procedure level), and index-by table (associative array) cannot be defined at … WebOct 12, 2011 · In this case, ORACLE appends size-len spaces to the string for datatypes CHAR and VARCHAR and stores size characters. The VARCHAR2 datatype comes without padding, only len characters are stored. CREATE TABLE Demo (col1 CHAR (4), col2 VARCHAR2 (4)); INSERT INTO Demo (col1, col2) VALUES ('c', 'v'); As a result, the purpose of one to one learning
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