These base tables and views are critical for the operation of Oracle Database. Tables in the SYS schema are manipulated only by the database and must never be modified by any user. The SYSTEM account is also au
Problem Explanation: ~~~ The ORA-00942 is produced because the privilege to use the V$ views has been granted to the user via a role, roles are not in effect within stored PL/SQL procedures. Problem References: ~~~ Oracle7 Server Application Developer's Guide Search Words: ~~~ ORA-942 ...
> CREATE TABLE names(name STRING, first_name STRING, id STRING COLLATE UTF8_BINARY) DEFAULT COLLATION UNICODE_CI; -- Create an external table connected to Oracle > CREATE TABLE IF NOT EXISTS ora_tab USING ORACLE OPTIONS ( url '<jdbc-url>', dbtable '<table-name>', user '<usern...
To analyze or debug a table’s structure, you can view the names of all constraints that are applied to a specifictable in Oracle. The system views such asUSER_CONSTRAINTS and ALL_CONSTRAINTS,which are provided by Oracle, facilitate the retrieval of these kinds of information efficiently. Synta...
Oracle Database Administrator's GuideandCREATE TYPEfor more information about creating objects ALTER TABLEandDROP TABLEfor information on modifying and dropping tables Prerequisites To create arelational tablein your own schema, you must have theCREATETABLEsystem privilege. To create a table in another...
Check existing user tables and views if they exists in Oracle by querying the data dictionary by executing the following SQL statement:select * from all_objects where object_type in (’TABLE’,’VIEW’) and object_name = ‘OBJECT_NAME‘; ...
or a view was referenced where a table is required.Existing user tables and views can be listed by querying the data dictionary.Certain privileges may required to access the table.If an application returned this message,the table the application tried to access does not exist in the database,...
TheVIEW_TABLE_USAGEtable (available as of MySQL 8.0.13) provides access to information about tables and views used in view definitions. You can see information only for views for which you have some privilege, and only for tables for which you have some privilege. ...
Oracle Database - Enterprise Edition - Version 11.2.0.2 and later: ORA-942: Table Or View Does Not Exist When Querying DBA_% Views As SYSTEM User (DBA_SYNONYMS, DBA_
MySQL sets a flag, called the view updatability flag, atCREATE VIEWtime. The flag is set toYES(true) ifUPDATEandDELETE(and similar operations) are legal for the view. Otherwise, the flag is set toNO(false). TheIS_UPDATABLEcolumn in theVIEWStable displays the status of this flag. It mea...