sql update from select
UPDATE YourTable
SET Col1 = OtherTable.Col1,
Col2 = OtherTable.Col2
FROM (
SELECT ID, Col1, Col2
FROM other_table) AS OtherTable
WHERE
OtherTable.ID = YourTable.IDsql update from select
UPDATE YourTable
SET Col1 = OtherTable.Col1,
Col2 = OtherTable.Col2
FROM (
SELECT ID, Col1, Col2
FROM other_table) AS OtherTable
WHERE
OtherTable.ID = YourTable.IDsql update record
UPDATE table_name
SET column1 = value1, column2 = value2...., columnN = valueN
WHERE [condition];how to update values in sql
//to update value
UPDATE students SET course_id = 102
WHERE last_name = 'Jones'; ->
if there is no condition it will update all!updating column values
mapping_dict = {
'Android': 'Android',
'Chrome OS': 'Chrome OS',
'Linux': 'Linux',
'Mac OS': 'macOS',
'No OS': 'No OS',
'Windows': 'Windows',
'macOS': 'macOS'
}
df['col'] = df['col'].map(mapping_dict)
print(my_series)Copyright © 2021 Codeinu
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