
oracle database - SQL Error: ORA-00942 table or view does not exist ...
insert into user1.customer (name,surname) values ('michael','jackson'); The result will be "ORA-00942: table or view does not exist" even though user2 does have insert and select privileges on …
oracle database - ORA-12154: TNS:could not resolve the connect ...
2012年10月11日 · 0 I had an issue at work. The oracle server was "patched" and one of the databases I use could not be connect via the TNSNames entry but via Basic connection. The Database was up …
locking - How to find locked rows in Oracle - Stack Overflow
Oracle 's locking concept is quite different from that of the other systems. When a row in Oracle gets locked, the record itself is updated with the new value (if any) and, in addition, a lock (which is …
How to check Oracle database for long running queries
2009年3月7日 · My application, which uses an Oracle database, is going slow or appears to have stopped completely. How can find out which queries are most expensive, so I can investigate further?
How to generate an entity-relationship (ER) diagram using Oracle SQL ...
2011年7月5日 · I want to use Oracle SQL Developer to generate an ER diagram for my DB tables but I am new to Oracle and this tool. What is the process for creating an ER diagram in SQL Developer?
oracle database - Find out free space on tablespace - Stack Overflow
2011年10月6日 · Our application has failed a few times because an 'ORA-01536: space quota exceeded for tablespace', and we would like to be able to prevent this by checking regularly the free space on …
Search an Oracle database for tables with specific column names?
We have a large Oracle database with many tables. Is there a way I can query or search to find if there are any tables with certain column names? IE show me all tables that have the columns: id, ...
how to tell if oracle database is installed on pc
3 If it is an Oracle Client, it doesn't have bin/dbca Oracle Home may indicate the installation's type. The default Oracle Home folder names are: Oracle Database: dbhome_1 Oracle Client: client_1 Although …
Connecting to an Oracle database using SQLAlchemy
I am able to successfully connect to a SQLite database and access a particular table using the set of commands below: from sqlalchemy import create_engine, MetaData, Table, and_ from sqlalchemy.sql
database - How do I do a manual uninstall of Oracle ... - Stack Overflow
2008年9月17日 · Sometimes my Oracle database on Windows gets hosed. How do I do a manual uninstall of Oracle?