it"s not safe to enter a password every time you open it without selecting save password, is it?
it"s not safe to enter a password every time you open it without selecting save password, is it?
use qadmin
to delete ~ / .pgpass . For a detailed description of this file, see the official document: https://www.postgresql.org/do.
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Baidu said that there is a problem with the verification method in the file var lib pgsql 9.5 data pg_hba.conf, but the reason for changing the verification method is to use the command psql-U postgres-d mydjango-p 5432-h 127.0.0.1 to log in directl...
vue chromedriver@2.37.0 ...
because batch update operations are always involved recently, I don t know if batch operations can be performed, so we can only update, one by one in the loop , so I d like to ask whether there is a sql statement in the sql database that enables updat...
(venv3_ETC) [root@iZwz9hbv3lrr68d8bo5dvpZ goods]-sharp python views.py Traceback (most recent call last): File "views.py ", line 5, in < module > from .serializer import GoodsSerializer ModuleNotFoundError: No module named _ main__.serializer ; ...
sys.path.insert(0,BASE_DIR) , sys.path.insert(0,os.path.join(BASE_DIR, db_tools ))sys.path.insert(0,os.path.join(BASE_DIR, apps ))sys.path.insert(0,os.path.join(BASE_DIR, extra_apps )) :shell from goods.models import Goods :python models.py:Tra...
A registration function. The function of accessing the registered url, url is to read the user names and passwords of 500 users from the excel file, read out a piece of data, run the create_user function at a time to create a user, but this will cause t...
Table: ID name value time 1 A 3 2018-1-1 1 A 4 2018-4-4 2 B 6 2018-1-2 3 C 7 2018-1-3 3 C 9 2018-4-6 how to group by ID and only take the most recent value of time (time) under the same ID and name: such as: ID name value time 1 A 4 2018-4-...
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Longge question post: in HATP scenarios with large data bases, would you use self-increasing id as primary key or UUID? Or what do you suggest? Why? ...
download PostgreSQL10.3 and open pg4Admin and then flicker or fail to open the default browser when you report an error. I tried to uninstall and reinstall many times without solving it, but the SQL Shell interface is available. tried to download va...
1 is the original data in the table a numeric value or a formatted time string for Magi Postgresql timestamp? 2, if it is a formatted string, is his own sorting performance very poor? 3, if it is a numerical value, can you check it directly according t...
two questions: Why the length of the int4 type of postgresql can reach 10 bits, but it is set to 32 bits in the attribute The int4 type length of postgresql is set to 32 bits by default, so why can t it be modified? it is still 32 bits after modif...
how does postgres convert tables to CSV? in ubuntu virtual machines google found COPY ( SELECT name, category_name FROM products LEFT JOIN categories ON categories.id = products.category_id ) TO path to output.csv WITH csv; but using this ...
my django project Subject accounts courses views.py tests test_models.py subject test_models.py: from django.core.urlresolvers import reverse from django.test import TestCase from .models import MultiSub...
No place was found. ...
has recently been using the json format of postgresql database and found that pdo query reported an error the source code is as follows <?php PDO $pdo = new PDO("pgsql:host=127.0.0.1;port=5432;dbname=postgres","postgre...
Project background: the intranet OLAP application, specifically, is a variety of statistical charts for leaders to see. The project concurrency is small, so multiple threads can be used for a single request. The bottleneck is that the statistics of SQL ...
for example: < table > < thead > < tr > < th > id < th > < th > num < th > < tr > < thead > < tbody > < tr > < td > 1 < td > < td > 1 < td > < tr > < tr > < td > 2 < td > < td > 20 < td > < tr > < tr > < td > 3 < td > < td > 30 < ...
php version is 5.6.36 Magi Apache server version 2.4.3Jet Postgresql version 9.5.1 read other people s code, in theory, it will be no problem if it is deployed directly. initially suspects that there is something wrong with the local php environment ...