Enjoy seamless Oracle migration to an open source platform and compatibility with EDB Postgres Advanced Server One of the most significant advantages of EnterpriseDB’s (EDB) version of PostgreSQL is its Oracle compatibility and being able to use existing queries and applications with our team of exp...
4. Query to get the First and Last Date of the Current Year in Oracle DatabaseSELECT TRUNC(SYSDATE, 'YYYY') AS first_date_of_year FROM dual;SELECT LAST_DAY(TO_DATE('31-12-' || TO_CHAR(SYSDATE, 'YYYY'), 'DD-MM-YYYY')) AS last_date_of_year FROM dual;These queries are used ...
How to use SQL parameters with dotConnect for Oracle dotConnect for Oracle enhances SQL handling capabilities with usage of parameters in SQL queries. You can make execution of a query or stored procedure very flexible using several simple techniques. This article describes some basics you must be ...
We can choose to apply the LIMIT clause, which allows us to restrict the number of rows fetched in the result set. We will use along with the ORDER BY DESC clause the LIMIT option at the end to see the results. Let us take the previous example and modify it a bit as below: SELECT...
PostgreSQL SELECT CURRENT_DATE; SQLite SELECT DATE(); Technically the answer is yes, it is possible to have multipleWHEREclauses in a SQL statement. For example, if you are using a subquery, you can certainly employ aWHEREclause within the subquery, and then again in the outer query. Anoth...
How to used ROWID in oracle_fdw?#74 hi@laurenz I create oracle_fdw table create foreign table test( col1 text, ... rowid text ); why not used rowid? laurenz added enhancement on Mar 25, 2016 laurenz commentedon Mar 25, 2016 ...
Erlang calendar:datetime_to_gregorian_seconds(calendar:now_to_universal_time( now()))-719528*24*3600. MySQL SELECT unix_timestamp(now()) More info (+ negative epochs) PostgreSQL SELECT extract(epoch FROM now()); Oracle PL/SQL SELECT (SYSDATE – TO_DATE(’01/01/1970 00:00:00′, ‘MM...
Hi all! I have Linux-Orale11-ERP6.0. I need connect to an external database PostgreSQL on Linux. I installed the driver ODBC on Linux-Oracle11-ERP6.0 and command isql-v