Write to create table 1 km field of type integer km_id text km_name statement


2 write save km form for km_bak statement which write delete this table


Write in the table insert records' 1 ' 'English' | '2' 'Chinese' | '3' 'mathematics'; The statement of


Write to record 3 'mathematics' update into' physical 'statement


3 write to create table cj field cj_id integer, cj_km integer, cj_user text type, cj_df numerical statement, and write in the table to insert the following statement: '1', '1' 80 'zhang' | '2' '2' zhang '90' | '3' 3 ' 'zhang' 95 '|' 4 ' '1' and '85' | '5' '2' and '99',


Write a schedule of the student (name), (name) score (corresponding to each class grades) statement


Students write the summary table (name) grade (each class grade) statement;

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