.save FILEWrite in-memory database into FILE .scanstats on|offTurn sqlite3_stmt_scanstatus() metrics on or off .schema ?PATTERN?Show the CREATE statements matching PATTERN .selftest ?OPTIONS?Run tests defined in the SELFTEST table .separator COL ?ROW?Change the column and row separators .se...
.cdDIRECTORY Change the working directory to DIRECTORY .changes on|off Show number of rows changed by SQL .check GLOB Failifoutput since .testcase does not match .cloneNEWDB Clone data into NEWDB from the existing database .connection [close] [#] Open or close an auxiliary database connect...
.save FILEWrite in-memory database into FILE .scanstats on|offTurn sqlite3_stmt_scanstatus() metrics on or off .schema ?PATTERN?Show the CREATE statements matching PATTERN .selftest ?OPTIONS?Run tests defined in the SELFTEST table .separator COL ?ROW?Change the column and row separators .se...
.connection [close] [#] Open or close an auxiliary database connection .databases列出数据库的名称及其所依附的文件 .dbconfig ?op? ?val? List or change sqlite3_db_config() options .dbinfo ?DB? Show status information about the data...
{35try{36db.execSQL("ALTER TABLE " + TB_NAME + " CHANGE " + oldColumn + " "37+ newColumn + " " +typeColumn);38}catch(SQLException e) {39//TODO Auto-generated catch block40e.printStackTrace();41}42}43} 数据库第一次创建时onCreate方法会被调用,我们可以执行创建表的语句,当系统发现...
.separator COL ?ROW?Change the column and row separators .session ?NAME? CMD ...Create or control sessions .sha3sum ...Compute a SHA3 hash of database content .shell CMD ARGS...Run CMD ARGS... in a system shell .show显示各种设置的当前值 ...
execSQL("ALTER TABLE " + TB_NAME + " CHANGE " + oldColumn + " "+ newColumn + " " + typeColumn ); }catch(Exception e){ e.printStackTrace(); } } } 使用这个类: 当我们在一个activity类中使用这个数据库的时候 步奏如下: 1.必须先定义一个类的成员变量 申明数据库名字 声明数据库的...
You can use the ".separator" dot command to change the separator for list mode. For example, to change the separator to a comma and a space, you could do this: sqlite>.separator ", "sqlite>select * from tbl1; In "line" mode, each column in a row of the database is shown on ...
函数typeof ( column_name ),返回指定字段每行使用的存储类。 值存入字段的过程: null、blob:优先存储在每行中,不做任何转换。 整数: 在real类型中保存为real;在text类型中保存为text; 在int、numeric、blob类型中保存为integer。 实数: 在text类型中保存为text, ...
Change the column and row separators #改变输出模式和 .import 所使用的分隔符。.sha3sum ... Compute a SHA3 hash of database content.shell CMD ARGS... Run CMD ARGS... in a system shell.show Show the current values for various settings #显示各种设置的当前值。.stats ?on|...