SELECT BIN_TO_NUM(1,0,1,0) FROM DUAL; BIN_TO_NUM(1,0,1,0) --- 10 BITAND(exp1, exp2) The BITAND function treats its inputs and its output as vectors of bits; the output is the bitwise AND of the inputs. The types of expr1 and expr2 are NUMBER, and the result is of ...
一、对应的函数 1.sysdate oracle pgsql sysdate current_date、 current_timestamp nvl coalesce trunc date_trunc(text, timestamp) 二、参考资料 1.What is PostgreSQL equivalent of SYSDATE from Oracle? 本文参与腾讯云自媒体同步曝光计划,分享自作者个人站点/博客。 原始发表:2018-01-05 ,如有侵权请联系删除 ...
Support of SSL for PostgreSQL server 8.4. Improved dual monitor system support. Report files are now able to copy to other dataabses. Bug Fixes: Access Violation error happened on Data Synchronization when the target connection applied HTTP Tunnel. Backup failed when connection applied HTTP Tunnel....
getlength(nodeList) INTO v_getlenght from dual; dbms_output.put_line('v_getlenght = '||to_char(v_getlenght)); END; You get the following output. In order to call the DBMS_XMLDOM.GETLENGTH function in PostgreSQL, we have to first convert the XML to JSON format. XML...
SQL> ALTER SESSION SET TIME_ZONE='UTC';Session altered. -- Before DST, 28-OCT-2018 at 00:00:00 UTC equivalent to 28-OCT-2018 at 02:00:00 MET SQL> select to_timestamp('2020-01-03 00:00:00','YYYY-MM-DD HH24:MI:SS') at time zone 'MET' from dual; TO_TIMESTAMP('2018-10...
A Postgres equivalent of regexp_count() may look like this: create or replace function regexp_count(text, text) returns integer language sql as $$ select count(m)::int from regexp_matches($1, $2, 'g') m $$; with example(str) as ( values ('a_b_c'), ('a___b'), ('abc...
select * from con_transaccioncabecera c where c.cab_estadocon in (select regexp_substr('S-C-I-A','[^-]+',1,level) from dual connect by regexp_substr('S-C-I-A','[^-]+',1,level) is not NULL) I typed the string 'S-C-I-A', but actually, there would go a variable....
SQL> select sysdate from dual; SYSDATE 03/01/2020 09:57.34 SYSDATE无论客户端或会话如何设置时区,仍会返回服务器时区的时间戳。 对PostgreSQL的影响 在PostgreSQL中,clock_timestamp()和其他时间函数返回客户端会话时区的当前日期和时间。请参见以下代码示例: ...
SQL> (select‘dbtimezone’asconfig, dbtimezoneasoffsetfromdual) union(select‘sessiontimezone’asconfig, sessiontimezoneasoffsetfromdual);CONFIG OFFSET--- ---dbtimezone +00:00sessiontimezone +05:30SQL>selectsysdatefromdual;SYSDATE 03/01/202009:56:53SQL> alter sessionsettime_zone = ‘-...
As suggested by the error message you can fix this by using NEXTVAL instead of CURRVAL. SELECT CHINOOK.ISEQ$$_85607.nextval FROM DUAL; PostgreSQL In PostgreSQL we have basically two ways to change the value that an identity column starts. One is to issue an ALTER TABLE and modify the col...