Answers for "delete row"

SQL
9

delete all records from table

DELETE FROM table_name;
Posted by: Guest on June-01-2020
4

deleting row in sql

delete from TableName where condition;
delete from scrumteam where firstname='Jack';
delete from scrumteam where JobTitle='SDET';
Posted by: Guest on January-28-2021
6

pandas how to delete a row

>>> df
   A  B   C   D
0  0  1   2   3
1  4  5   6   7
2  8  9  10  11

Drop a row by index

    df.drop([0, 1])
       A  B   C   D
    2  8  9  10  11

Drop columns

    df.drop(columns=['B', 'C'])
       A   D
    0  0   3
    1  4   7
    2  8  11
Posted by: Guest on April-26-2020
1

sql delete all values in a column

UPDATE TableName SET ColumnName = NULL
Posted by: Guest on October-03-2020
0

dataframe delete row

df.drop(df.index[2])
Posted by: Guest on May-26-2020
5

sql delete where in

-- Deletes all records where `columnName` matches the values in brackets.
DELETE FROM tableName WHERE columnName IN ('val1', 'val2', 'val3');
Posted by: Guest on February-20-2020

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