mysql

问题 I have the fowlloing query select * from mapping_channel_fqdn_virtual_host where id in (1, 2, 3, 4, 5, 6, 7, 8, 9, 10); explaining the above query gives me the following result: explain select * from mapping_channel_fqdn_virtual_host where id in (1, 2, 3, 4, 5, 6, 7, 8, 9, 10); +----+-------------+-----------------------------------+------------+-------+---------------+---------+---------+------+------+----------+-------------+ | id | select_type | table | partitions | type | possible_keys |

问题 I have the following compile time error I cannot find the reason of: fatal error: mysql_connection.h: No such file or directory /* Standard C++ includes */ #include <stdlib.h> #include <iostream> /* Include directly the different headers from cppconn/ and mysql_driver.h + mysql_util.h (and mysql_connection.h). This will reduce your build time! */ #include "mysql_connection.h" #include <cppconn/driver.h> #include <cppconn/exception.h> #include <cppconn/resultset.h> #include <cppconn/statement

问题 I am tasked with creating a click-button style use of Docker for developers of a Django app to do local development. I am using docker-compose in combination with private repos on my Docker Hub and it's working well. Except that the app has no default data. The developers have requested to use a full prod dump rather than fixtures with loaddata . Therefore I built a container based on this Dockerfile FROM python:2.7 COPY . /opt/mysite.com WORKDIR /opt/mysite.com ENV WAITFORIT_VERSION="v1.3.1"

问题 I'm new to php and mysql so I need some help with my query. This is my sql query SELECT * FROM table1 WHERE (Name LIKE '%$keyword%' OR ZipCode LIKE '%$keyword%') AND Category LIKE '$category' AND Country LIKE '$country' LIMIT $start, $limit Now what I want to do exaclty is This query should search column names with Name or ZipCode using a text field with the name keyword. That is either keyword matches the Name column or the ZipCode. The query should also work if no keyword is entered and

问题 I am using JDBC.My test application inserts some data into MySQL,then query it via the same connection.I have four computers,one is MySQL server,three are UBuntu Desktops.In one UBuntu Desktop,my test application run into this problem,but I don't find this problem in other UBuntu Desktops. Also,If I create a new connection to query data after inserting,I can find the data.The version of mysql-connector-java library is 5.1.17.I tried 5.1.18,but the problem still exists. 回答1: The default

问题 I am using JDBC.My test application inserts some data into MySQL,then query it via the same connection.I have four computers,one is MySQL server,three are UBuntu Desktops.In one UBuntu Desktop,my test application run into this problem,but I don't find this problem in other UBuntu Desktops. Also,If I create a new connection to query data after inserting,I can find the data.The version of mysql-connector-java library is 5.1.17.I tried 5.1.18,but the problem still exists. 回答1: The default

问题 I have a table with the below json data type column in a table PRICING_DATA pricingJson type json nullable And I am using the sql to query the table. select * from `PRICING_DATA` where `pricingJson`->"$.product.productFamily" = "Compute Instance"; The sample json data is like below { "product": { "productFamily": "Compute Instance", "attributes": { "enhancedNetworkingSupported": "Yes",..... But the query is not returning any rows. What am I doing wrong here? Json raw string from the db seems

问题 How to fix 508 Resource Limit is reached in PHP MySQL My website is developed in PHP with MySQL and javascript ajax. My website is blocked , how to rectify immediately in this problem, anyone help me quickly please. but am got bellow error, Resource Limit Is Reached The website is temporarily unable to service your request as it exceeded resource limit. Please try again later. Apache/2.4.12 (Unix) OpenSSL/1.0.1e-fips mod_bwlimited/1.4 Server at domain.co.in Port 80 What is concurrent

问题 I have one table BPFinal and has the following column ID | Partners | Branch | Amount | Date 1001 | ABC | BO1 | 2,000 | 2020/11/30 1001 | ABC | BO2 | 1,500 | 2020/11/30 1002 | XYZ | BO1 | 4,000 | 2020/11/30 1001 | ABC | BO1 | 5,000 | 2020/10/31 I am trying to write sql to create a Pivot Table with Dynamic Headers of Partners. Once date is set, it will only display the available partners and its corresponding data per branch. Output should be like this: Date : 2020/11/30 Branches | ABC | XYZ

问题 I have one table BPFinal and has the following column ID | Partners | Branch | Amount | Date 1001 | ABC | BO1 | 2,000 | 2020/11/30 1001 | ABC | BO2 | 1,500 | 2020/11/30 1002 | XYZ | BO1 | 4,000 | 2020/11/30 1001 | ABC | BO1 | 5,000 | 2020/10/31 I am trying to write sql to create a Pivot Table with Dynamic Headers of Partners. Once date is set, it will only display the available partners and its corresponding data per branch. Output should be like this: Date : 2020/11/30 Branches | ABC | XYZ