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Table with fixed header and rotated column headers

I have a table with a fixed header and a fixed first column. I also want to rotate the column headers 45 degrees. Fixed title requires background color to be set. However, this causes problems with 45 degree rotated headers because the background of the next column overlaps the text of the previous ...

P粉762730205 2024-04-03 08:50:32 0  1  663

SQL: How to query a joined table with composite keys by comparing rows and columns

I have a Mysql connection table user_connections that maps the users table with the following columns: user_from and user_to>, both of which are foreign keys in the users table. My logic is that if id1 sends a request to id2, in this case it will be a pending request. The request will be consider...

P粉358281574 2023-09-13 23:28:58 0  1  628

The query and formula form the entire table, with new columns, where the new columns are formulas involving other conditional column values

EDIT: The formula should be the "value" column - the "value" column with the lowest user_id based on the category. So row 2 will be 0.04 because the "value" column of the lowest "user_id" for category "A" is 0.01. Feel sorry. I want to retrieve every...

P粉178894235 2024-04-06 21:23:40 0  2  1284

Dynamically add a table in the form/div tag

The dynamically created table appears outside the div tag. I'm creating a responsive registration form. The input field takes the required number of rows for the table given by the user and creates the required number of rows with a fixed number of columns. I created the table but it doesn't appear ...

P粉127901279 2023-09-13 23:18:44 0  1  837

javascript - Why does creating a multi-row and multi-column table only have a table in one row at the end?

I wrote a function myself to create a table with multiple rows and columns, but after writing it, I found that I could only create one row and multiple columns. {code...}

淡淡煙草味 2017-05-16 13:36:39 0  1  695

Bring rows in a database table that have data in all columns to the front

In MySQL5.7 I have a column with 28 columns and 4000 rows. I want to get all the rows that have data first or get the rows with the most columns of data first and then gradually get the data of other rows. How can I implement this? For example: Table: Studentnameageaddresstan10gib10californiahalpur1...

P粉504080992 2023-08-18 15:48:44 0  1  669

Can the right column in the bootstrap-vue table be fixed?

I want the correct fixed columns in bootstrap-vue table however, the Sticky functionality in the document is only fixed on the left side. Is there a way to fix the right or last column? I want both the left and right columns to be fixed in place. Documentation website: https://bootstrap-vue.org/docs...

P粉226667290 2024-01-10 16:32:01 0  1  600

Quickly generate rows and columns

After tr*4>td*3 is entered, the rows and columns of the table cannot be quickly generated.

李敏堯 2019-02-15 15:55:57 0  3  1340

Sorting HTML tables: a step-by-step guide

I'm not an HTML expert at all. I programmed the microcontroller and started going off on tangents. I have created an html document to display a table of microcontroller registers, register addresses and register descriptions. I have created a table with 3 columns and about 120 rows. Some register ad...

P粉023326773 2023-10-31 16:45:43 0  1  975

"Filter" huge MariaDB/Mysql tables based on different tables

Processing large datasets in my mariaDB database. I have two tables, Table A contains 57 million rows and Table B contains about 500 rows. Table B is a subset of ids related to columns in Table A. I want to delete all rows without corresponding ID in A table B. Example table A: classification_id nam...

P粉287345251 2023-09-07 10:51:26 0  2  732

How to prevent Mud Blazor MudTable columns from expanding to fit text

I have a table with 5 columns, one of which contains some very long user IDs (without spaces). Instead of cutting the text off, it expands the column to accommodate all the content, pushing the other columns to the right and causing scrollbars to appear. I've been researching for hours trying to fig...

P粉212114661 2023-12-27 11:05:27 0  1  653

Way to maintain integrity between two columns in MySQL table

I have a table with columns that are primary key and normal columns. I want to keep these two columns intact. Let's say I have a user table and two data. I want to maintain integrity between id column and create_user column CREATETABLEUSER(idvarchar(10)notnull,create_uservarchar(10)notnull,PRIMARYKE...

P粉462328904 2023-09-12 22:05:39 0  1  610

Disable single row selection function of w2ui grid

I have a w2ui grid with multiSelect enabled. My goal is to disable selection of certain rows and keep other rows selectable. letgrid=neww2grid({name:'grid',box:'#grid',multiSelect:true,show:{selectColumn:true},columns:[{field:'recid',text:'recid',size:'10px ',sortable:true,

P粉148782096 2023-09-16 14:42:53 0  1  1665

I'm trying to compare values ??in two columns in two different tables

I have two tables, tableA and tableB. Table A has 4 columns, while Table B has 3 columns. The last column of table A is blank and in this column I want to show the difference between the third column in tables A and B. Table A name = valuation_average. Table B name = valuation_cost. Their third colu...

P粉311423594 2024-04-04 20:05:03 0  1  640

mysql - SQL identifies different data in two tables

There are two tables with about 10,000 rows. We need to query the rows that are different. The current code is as follows: {code...} But here comes the problem. The above code can only query different rows, but it cannot display the rows in table a. What is not in the b table, what is in the b table...

曾經(jīng)蠟筆沒有小新 2017-05-18 10:49:15 0  2  807

Is it wise to create different tables for the same data for each date?

I have a MYSQLInnoDB table with the following columns (table and column names changed): date (PK, date) var_a (PK, FK, INT) var_b (PK, FK, INT) rel_ab (decimal) where rel_ab is the description Column of relationship between 2 variables var_a and var_b given date. (var_a and var_b refer to different ...

P粉665679053 2023-09-09 17:40:44 0  2  658

In Mysql, batch add multiple columns to table based on another column

I have a table with three columns. For each id, we have up to 400 index values. I want to add columns based on the number of index. In the example I provided, I have 4 indexes and then I added four columns to the table. This is the table I have: Createtablebuy_sell(idint,idxvarchar(255),sellfloat(2,...

P粉336536706 2023-08-28 11:03:44 0  1  620

How to avoid pagination within table rows

I want to avoid pagination within table rows via wkhtmltopdf when converting HTML to PDF. I used page-break-inside:avoid with table and it worked, but not when there are many rows. If the display is set to block or other methods, the format of the table will be changed and double borders will be ins...

P粉529245050 2023-08-20 20:24:22 0  2  913

Improve performance of MYSQL queries with one-to-many relationships

I have a query in my database that takes 25 seconds to return results, which is too long. It seems like it should be pretty simple. Two tables; the main table (document) is a standard table with some data columns, and the connection table is a mapping table with only two columns (parent_id, division...

P粉993712159 2024-03-28 23:17:19 0  1  629

How to keep the first X rows and delete table rows

I have a big table with millions of records in MySQLincident_archive, I want to sort the rows by created column and keep the first X rows and delete the rest, what is the most efficient way. So far I've come up with this solution in Python: defdo_delete_archive(rowsToKeep):ifrowsToKeep>0:db_name=...

P粉314915922 2024-04-01 18:32:54 0  1  726