Its syntax is TODATE(text, text) and the return. NLS_TIMESTAMP_FORMAT dd.mm.yyyy hh24:mi:ss. The TODATE function in PostgreSQL is used to converting strings into dates. SQL> select parameter, value from v$nls_parametersĢ where parameter in ('NLS_DATE_FORMAT', 'NLS_TIMESTAMP_FORMAT', 'NLS_TIMESTAMP_TZ_FORMAT') To check what are default values, see e.g. SQL> alter session set nls_timestamp_tz_format = 'yyyy-mm-dd hh24:mi:ss:ff' I change server timezone from +0 to +1 and now, when I start application, it reads from db: T11:00:00 despite, in db this column has. TIMESTAMP values are stored as the number of seconds since the Unix epoch. Only those columns are shown that the current user has access to (by way of being the owner or having some privilege). System columns ( ctid, etc.) are not included. I'm reading this value and receive the same date: which is expected. Each column in a database table is required to have a name and a data type. The view columns contains information about all table columns (or view columns) in the database. Perhaps you meant to do this? SQL> SELECT TO_CHAR(SYSTIMESTAMP, 'YYYY-MM-DD HH24:MI:SS:FF') AS TIME_STAMP FROM dual Īlternatively, you could alter session to avoid TO_CHAR, e.g. (this is Instant) to Postgresql Timestamp without timezone. In my 21cXE, that would be SQL> select count(*) from all_objects Note that the earliest possible date is 4713 BC and the latest possible date is 5874897 AD. It needs 4 bytes to store a date value in a column. Even if there were such a column, you'd get - as result - a lot of rows. Using TOTIMESTAMP () to convert a string to a timestamp Summary PostgreSQL DATE data type overview DATE data type in PostgreSQL is used to store dates in the YYYY-MM-DD format (e.g. Your query doesn't work because there's no TIMESTAMP column in ALL_OBJECTS.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |