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 .stats ?ARG? 开启或关闭统计 .system CMD ARGS... Run CMD...
Display or change the value of an SQLITE_LIMIT .lint OPTIONSReport potential schema issues. .load FILE ?ENTRY?加载一个扩展库 .log FILE|off开启或关闭日志,可以是stderr或stdout .mode MODE ?TABLE?设置输出模式 .nonce STRINGDisable safe mode for one command if the nonce matches .nullvalue STRING...
Display or change the value of an SQLITE_LIMIT 登录后复制.lint OPTIONSReport potential schema issues. 登录后复制.load FILE ?ENTRY?加载一个扩展库 登录后复制.log FILE|off开启或关闭日志,可以是stderr或stdout 登录后复制.mode MODE ?TABLE?设置输出模式 登录后复制.nonce STRINGDisable safe mode for one...
csv Comma-separated values( 以逗号分隔的值) column Left-aligned columns. (See .width)( 表头左对齐(参见 .width)) html HTML code(显示 HTML 代码) insert SQL insert statements for TABLE( SQL插入语句) line One value per line( 一行一个值) list Values delimited by separator string(值用 string...
{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...
item) return; // 加粗 qSetBold(item, true); activeDb = QSqlDatabase::connectionNames().value(tree->indexOfTopLevelItem(item)); } void ConnectionWidget::on_tree_itemActivated(QTreeWidgetItem *item, int /* column */) { qDebug() <<__LINE__<< "on_tree_itemActivated" <<__TIME__ ...
//下面这句很重要,设置数据库修改后保存的方式,默认应该是OnFieldChange,即编辑完就保存修改至数据库,OnManualSubmit是需要手动提交时 model->setEditStrategy(QSqlTableModel::OnManualSubmit); //刷新任务列表 ui->tableView->setModel(model); ui->tableView->resizeColumnsToContents();//自动调整列宽 ...
.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 ...
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|...
18、. table-name (column-list) VALUES(value-list) |INSERT OR conflict-algorithm INTO database-name . table-name (column-list) select-statement 2.UPDATE:更新表中的现有数据。 语法:sql-statement := UPDAT 19、E OR conflict-algorithm database-name . table-nameSET assignment , assignment*WHERE ...