原因文字: 當作用中儲存點存在時,陳述式參照到遠端DBMS上的物件。 回復文字: 不接受隱含的連接遠端伺服器,因為儲存點未執行。 在重試陳述式之前發出RELEASE TO SAVEPOINT或ROLLBACK TO SAVEPOINT。 對交易進行確定或回復也可釋放現有儲存點。 SQLCODE 或 SQLCODE: -20110 SQLSTATE 或 SQLS
it is a different type of structure since the view doesn’t hold any data of its own. Instead, it pulls in data from one or morebase tablesthat actually hold the data. The only information about a view that a DBMS will store is the view’s ...
8. ORDER BY is not allowed in views. Views are used like tables, if you need sorted data use ORDER BY in the SELECT that retrieves data from the view. 值得说明的是,至少在mysql-community-8.0.28.0环境中,使用视图时被允许使用ORDER BY子句 CREATE VIEW OrderItemsExpanded AS SELECT order_num, ...
DBMS 产品信息 InfoType 参数的以下值返回有关 DBMS 产品的信息,例如 DBMS 名称和版本: SQL_DATABASE_NAME SQL_DBMS_NAME SQL_DBMS_VER 数据源信息 InfoType 参数的以下值返回有关数据源的信息,例如游标特征和事务功能: SQL_ACCESSIBLE_PROCEDURES SQL_ACCESSIBLE_TABLES SQL_BOOKMARK_PERSISTENCE SQL_CATALOG_TERM ...
The DBMS_SQL_MONITOR package provides information about Real-Time SQL Monitoring and Real-Time Database Operation Monitoring.
MySQL_Views.sql: MySQL数据库兼容性数据字典及视图 //TODO MySQL_Functions.sql: MySQL数据库兼容性函数 DB2_Functions.sql: DB2数据库兼容性函数 Python 脚本: test.py: 自动化测试脚本,依赖于 docker 服务,能自动化检查脚本在各个 openGauss 版本中的执行情况(注:该脚本为测试脚本,在compat-tools每个版本发布之...
SQL_INFO_SCHEMA_VIEWS 驅動程式不支援要求。 SQL_INFO_SS_NETLIB_NAME SQL Server Native Client ODBC 驅動程式特定屬性。 線上所使用的網路連結庫名稱。 根據預設,會傳回 DBNETLIB。 在此情況下,DBNETLIB 是指網路連結庫,且與dbnetlib.dll無關。 SQL_INTEGRITY "Y" SQL_KEYSET_CURSOR_ATTRIBUTES1 SQL_CA1_...
Administrative Views Portable mode Localized in 10 languages Simple deployment. No dll's or other dependencies. Just one executable (2.0 meg.) Supported DBMS Systems Oracle ® 8i - 21c Microsoft ® SQL Server 6.5 - 2019 Microsoft ® Azure ...
Createsnewdatabases,tablesandviewsfromRDBMS. Forexample− Createdatabasetutorialspoint; Createtablearticle; Createviewfor_students; DROP Dropscommands,views,tables,anddatabasesfromRDBMS. Forexample− Dropobject_typeobject_name; Dropdatabasetutorialspoint; ...
view不存储data,data存在表中(view从不同的视角看表们),views起到虚拟表的作用,很方便。view的各种操作和table基本一致。 -- create create view view1 as (subqueriess) -- 修改view1: -- method1: drop再重建 drop view view1 -- method2: create or replace view view1 as (subqueriess) -- delete...