Aug 29, 2016 · We can use another way as well for example to insert the value with special characters 'Java_22 & Oracle_14' into db we can use the following format.. 'Java_22 '||'&'||' Oracle_14' Though it consider as 3 different tokens we dont have any option as the handling of escape sequence provided in the oracle documentation is incorrect.

Jun 25, 2009 · How to find Oracle database connection details. 7. How to know the number of database connections. 471.

Yes you can and your DBA will hate you and will find you to nail your shoes to the floor because that will cause lots of I/O and bring the database performance really down as the cache purges. select column_name from all_tab_columns c, user_all_tables u where c.table_name = …

Oct 18, 2018 · Get list of queries to oracle database. 0. Oracle Table Queried or Modified Date. 0.

Sep 4, 2018 · No, there isn't a boolean type in Oracle Database, but you can do this way: You can put a check constraint on a column. If your table hasn't a check column, you can add it: ALTER TABLE table_name ADD column_name_check char(1) DEFAULT '1'; When you add a register, by default this column get 1.

Database.net is a windows GUI to connect to many different types of databases, oracle included. Oracle SQL Developer is a free tool from Oracle. SQuirreL SQL is a java based client that can connect to any database that uses JDBC drivers. I'm …

Feb 25, 2013 · As of Oracle 11g. Replace USER with the desired username. Granted Roles: SELECT * FROM DBA_ROLE_PRIVS WHERE GRANTEE = 'USER'; Privileges Granted Directly To User: SELECT * FROM DBA_TAB_PRIVS WHERE GRANTEE = 'USER'; Privileges Granted to Role Granted to User:

Jan 19, 2017 · I'm tuning SQL queries on an Oracle database. I want to ensure that all cached items are cleared before running each query in order to prevent misleading performance results. I clear out the shared pool (to get rid of cached SQL/explain plans) and buffer cache (to get rid of cached data) by running the following commands:

Nov 20, 2014 · With release 12.1, Oracle introduced "real" Top-N queries. Using the new FETCH FIRST... syntax, you can also use: SELECT * FROM ( SELECT id, client_id, create_time, ROW_NUMBER() OVER(PARTITION BY client_id ORDER BY create_time DESC) rn FROM order ) WHERE rn = 1 ORDER BY create_time desc FETCH FIRST 100 ROWS ONLY)

Oct 15, 2008 · A new feature available in SQLcl( which is a free command line interface for Oracle Database) is. Tables alias. Here are few examples showing the usage and additional aspects of the feature. First, connect to a sql command line (sql.exe in windows) session. It is recommended to enter this sqlcl specific command before running any other commands ...