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10 lip 2018 · For SQL/Plus (and SQL Developer) you can use the NLS_TIMESTAMP_FORMAT session parameter: ALTER SESSION SET NLS_TIMESTAMP_FORMAT = 'YYYY-MM-DD HH24:MI:SS'; Then:
Statement 1. Set the session date format. alter session set nls_date_format = 'DD-MON-YYYY HH24:MI' Statement processed. Statement 2. Datetime literals. select date'2023-01-17' date_literal, . timestamp'2023-01-17 14:00:00.123456789' ts_literal, . timestamp'2023-01-17 14:00:00 Europe/London' tstz_literal . from dual. Statement 3.
3 sie 2017 · The TIMESTAMP data type allows you to store date and time data including year, month, day, hour, minute, and second. In addition, it stores the fractional seconds, which is not stored by the DATE data type. To define a TIMESTAMP column, you use the following syntax:
TO_TIMESTAMP(string, format) Converts a specified string to a TIMESTAMP using the specified format mask. If the format mask is omitted the NLS_TIMESTAMP_FORMAT or NLS_TIMESTAMP_TZ_FORMAT value is used depending on the context.
5 paź 2023 · Oracle date format. The standard date format for input and output is DD-MON-YY e.g., 01-JAN-17 which is controlled by the value of the NLS_DATE_FORMAT parameter. The following statement shows the current value of the NLS_DATE_FORMAT parameter: SELECT value FROM . V$NLS_PARAMETERS. WHERE . parameter = 'NLS_DATE_FORMAT';
The default datetime formats are specified either explicitly with the NLS session parameters NLS_DATE_FORMAT, NLS_TIMESTAMP_FORMAT, and NLS_TIMESTAMP_TZ_FORMAT, or implicitly with the NLS session parameter NLS_TERRITORY. You can change the default datetime formats for your session with the ALTER SESSION statement.
15 sty 1999 · It is a good practice to use the TIMESTAMP WITH TIME ZONE data type for the application that stores across time zones e.g., event scheduling, banking, and booking applications, etc. TIMESTAMP WITH TIME ZONE literals. The following format specifies a TIMESTAMP WITH TIME ZONE literal: TIMESTAMP 'YYYY-MM-DD HH24:MI:SS.FF TZH:TZM'
