sqlite3的几个主要方法

• sqlite3_open()- Opens specified database file. If the database file does not already exist,it is created.
• sqlite3_close()- Closes a previously opened database file.
• sqlite3_prepare_v2()- Prepares a SQL statement ready for execution.
• sqlite3_step()- Executes a SQL statement previously prepared by the sqlite3_prepare_v2() function.
• sqlite3_column_<type>()- Returns a data field from the results of a SQL retrieval operation where <type> is replaced by the data type of the data to be extracted (text,blob,bytes,int,int16 etc).
• sqlite3_finalize()- Deletes a previously prepared SQL statement from memory.
• 'sqlite3_exec()- Combines the functionality of sqlite3_prepare_v2(),sqlite3_step() and sqlite3_finalize() into a single function call.

（编辑：李大同）

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