delete-row Questions
14
Solved
How I can delete all records from all tables of my database? Can I do it with one SQL command or I need for one SQL command per one table?
Nestling asked 10/9, 2010 at 19:10
5
Solved
I am attempting to use the DELETE clause in MS Access and have an issue when also using the JOIN clause. I have notice this can be accomplished by using the DISTINCTROW key word.
For example, the ...
Kapp asked 7/4, 2011 at 18:23
19
Solved
I have the following DataFrame:
daysago line_race rating rw wrating
line_date
2007-03-31 62 11 56 1.000000 56.000000
2007-03-10 83 11 67 1.000000 67.000000
2007-02-10 111 9 66 1.000000 66.000000...
Unsustainable asked 11/8, 2013 at 14:14
15
Solved
I've deleted some records from a table in a SQL Server database.
The IDs in the table look like this:
99
100
101
1200
1201...
I want to delete the later records (IDs >1200), then I want to res...
Jeddy asked 4/2, 2009 at 5:0
12
Solved
I have one MySQL table using the InnoDB storage engine; it contains about 2M data rows. When I deleted data rows from the table, it did not release allocated disk space. Nor did the size of the ibd...
Crimple asked 13/8, 2009 at 9:21
5
I'm new to SQL. We have some code that should work on SQL Server 2005/2008, Oracle 10 as well as Sybase.
I was writing a script to try to figure out which tables a given stored procedure modifies (...
Gibbeon asked 19/12, 2010 at 17:44
3
Solved
I have based my django aws S3 solution on https://simpleisbetterthancomplex.com/tutorial/2017/08/01/how-to-setup-amazon-s3-in-a-django-project.html.
Now I am trying to find a way to delete a row i...
Mineral asked 19/11, 2017 at 13:4
5
I need to delete 200-300 rows, excluding row 1. The script below is getting an out of bounds error, and it's slow. Can someone help with a way to speed up the process?
** IF POSSIBLE EXCLUDE ROW_1
...
Gnome asked 1/6, 2016 at 19:25
5
Solved
How would I go about deleting all records from a MySQL table from before a certain date, where the date column is in DATETIME format?
An example datetime is 2011-09-21 08:21:22.
Wheatear asked 2/12, 2011 at 16:30
7
Solved
What is the difference between
@model.destroy and @model.delete
For example:
Model.find_by(col: "foo").destroy_all
//and
Model.find_by(col: "foo").delete_all
Does it really matter if I use t...
Blameless asked 31/3, 2014 at 8:58
24
Solved
I'm testing something in Oracle and populated a table with some sample data, but in the process I accidentally loaded duplicate records, so now I can't create a primary key using some of the column...
Glycoprotein asked 9/2, 2009 at 17:34
2
Solved
I am reading a file into a Pandas DataFrame that may have invalid (i.e. NaN) rows. This is sequential data, so I have row_id+1 refer to row_id. When I use frame.dropna(), I get the desired structur...
Lilli asked 10/12, 2012 at 19:28
11
Solved
I have a large csv file in which some rows are entirely blank. How do I use Python to delete all blank rows from the csv?
After all your suggestions, this is what I have so far
import csv
# open...
Ballast asked 23/12, 2010 at 18:29
4
Solved
How can I delete data from a table using CTE and INNER JOIN? Is this valid syntax, so should this work:
with my_cte as (
select distinct var1, var2
from table_a
)
delete
from table_b b inner join...
Corbie asked 21/5, 2013 at 11:24
7
Solved
Anyone know of any plans to add support for delete parts of data from a table in Google Bigquery? The issue we have right now is we are using it for analytics of data points we collect over time. W...
Distich asked 15/5, 2012 at 15:36
6
Solved
I am looking for a way to return the number of rows affected by a DELETE clause in PostgreSQL. The documentation states that;
On successful completion, a DELETE
command returns a command tag of th...
Lawford asked 12/2, 2010 at 11:58
8
Solved
I am using GridView control in asp.net 2005 c# using .
How can I delete a particular row from GridView.
I have written the following code. But it's not working...
DataRow dr = dtPrf_Mstr.NewRow(...
Dieselelectric asked 26/2, 2009 at 19:47
6
Solved
I have two tables, one for job deadlines, one for describe a job. Each job can take a status and some statuses means the jobs' deadlines must be deleted from the other table.
I can easily SELECT t...
Karlise asked 4/5, 2010 at 6:20
18
Solved
This might be a dumb question, but I'm new to SQLite and I can't seem to figure this out. I have 1 table that has columns KEY_ROWID, KEY_NAME, KAY_LATITUDE, and KEY_LONGITUDE. I want the user to be...
Chromatograph asked 22/9, 2011 at 6:3
14
Solved
I want to delete some rows from DataTable, but it gives an error like this,
Collection was modified; enumeration operation might not execute
I use for deleting this code,
foreach(DataRow dr...
Sheedy asked 13/4, 2011 at 11:21
5
Solved
I'm trying to delete an row of recyclerview using room.im doing swipe to delete a particular row....
Here is my Address table-->
@Entity(tableName = "address")
class Address {
@Primar...
Mucronate asked 5/8, 2020 at 13:52
5
Solved
To delete all the rows in a table, I am currently doing the following:
context.Entities.DeleteAllOnSubmit(context.Entities);
context.SubmitChanges();
However, this seems to be taking ages. Is th...
Checani asked 4/10, 2009 at 17:45
2
Solved
I'm trying to delete a row in a Pandas dataframe by simply passing the date and time.
The dataframe has the following structure:
Date_Time Price1 Price2 Price3
2012-01-01 00:00:00 63.05 41.40 68...
Tacho asked 17/5, 2013 at 15:47
3
Solved
I need to delete rows containing NA, but only if they are leading(trailing) i.e. before(after) any data appears for a variable. This is very similar to:
How to find (not replace) leading NAs, gap...
Unionism asked 26/10, 2019 at 10:52
10
Solved
Consider a column named EmployeeName table Employee. The goal is to delete repeated records, based on the EmployeeName field.
EmployeeName
------------
Anand
Anand
Anil
Dipak
Anil
Dipak
Dipak
Anil...
Informant asked 23/7, 2010 at 10:49
1 Next >
© 2022 - 2024 — McMap. All rights reserved.