在使用PL/SQL Developer时,为了工作方便希望PL/SQL Developer记住登录Oracle的用户名和密码; 设置方法:PL/SQL Developer 7.1.2 ->tools->Preferences->Oracle->Logon History , “Store history”是默认勾选的,勾上“Store with password” 即可,重新登录在输入一次密码则记住了。(我的好像不行哦) 7、执行单条SQ...
V$SQL_HISTORYは、SQL履歴監視によって追跡されるSQL文を表示します。 このビューは、SQL_HISTORY初期化パラメータがtrueに設定されている場合のみ、移入されます。 列データ型 説明 KEY NUMBER 特定のSQL履歴データ入力を効率的に読み取るための人工キー 内部使用のみに対応しています。 SQL...
首先需要找到结果集异常的 SQL 语句,可以通过 LOGCOMMIT 日志、V$SQL_HISTORY 视图等来查找。 一般情况下,结果集异常是由于优化器对查询语句的错误改写或者优化导致,在提取 SQL 时尽量保证提取到的语句和实际执行的语句严格一致,要求绑定参数相同、数据库参数一致,这样可以在进行验证时的语句执行计划和出错时一致。 在...
run SQL, PL/SQL and SQL*Plus statements, execute SQL scripts, and edit and debug PL/SQL statements. This initial release also provide a suite of reports to further interrogate the dictionary. SQL Developer 1.0 was quickly followed by 2 patch releases and the SQL Developer 1.1 in December 200...
SQL History helps you to keep track of the queries that you use in SQL Server Management Studio, plus the history of those queries. As you type SQL in a query window SQL History will record what you are doing, allowing you to browse and search through the history of your work. ...
Modern, in-line editing of your SQL and PL/SQL statements and scripts Tab completion for Oracle keywords, commands, and object names SQL History - access to all of the queries and scripts you've already ran Automatic Query Result Formatting - easy to read SQL results or format to JSON, XM...
To find the edition of your SQL Server instance, you can use one of the procedures in Method 2 through Method 5 in the Determine which version and edition of SQL Server Database Engine is running section. Note The version information and edition information are in the same output string. No...
oceanbase:DescribeOasSQLHistoryList get *全部资源 * 无 无 请求参数 名称类型必填描述示例值 InstanceId string 是 OceanBase 集群 ID。 ob317v4uif*** TenantId string 是 租户ID。 t4louaeei*** StartTime string 是 查看SQL 执行历史参数的起始时间。 该时间只支持 UTC 时间,格式为:YYYY-MM-DDThh:mm:...
答案: SELECT student_id, GREATEST(chinese, math, english, history) FROM score; 解析:GREATEST 函数用于返回列表中的最大值,LEAST 函数用于返回列表中的最小值。 30. 如何知道每个员工的工作年限? 答案: SELECT emp_name, EXTRACT( year FROM CURRENT_DATE) - EXTRACT( year FROM HIRE_DATE) FROM employee...
3. 尽量避免使用in和not in in和not in也会导致数据库进行全表搜索，增加运行时间。比如，我想看看...