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sqlite查询判断语句

SELECT * FROM tableName WHERE condition; //简单的查询语句

UPDATE tableName SET col1=value1,col2= value2.. WHERE condition; //更新数据表中的记录

INSERT INTO tableName(col1,col2...) VALUES(val1,val2...); //向表中插入新记录

DELETE FROM tableName WHERE condition; //删除表中符合条件的记录