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remove-the-last-two-characters-from-a-string-column #260

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remove-the-last-two-characters-from-a-string-column #260

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19 changes: 19 additions & 0 deletions ...acters-from-a-string-column/remove-the-last-two-characters-from-a-string-column-mysql.sql
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Original file line number Diff line number Diff line change
@@ -0,0 +1,19 @@
-- Using LEFT Function

SELECT
LEFT(column_name, LENGTH(column_name) - 2) AS modified_name
FROM table_name;

-- Using SUBSTRING Function

SELECT
SUBSTRING(column_name, 1, LENGTH(column_name) - 2) AS modified_name
FROM table_name;

-- Handling Edge Cases

SELECT CASE
WHEN LENGTH(column_name) > 2 THEN LEFT(column_name, LENGTH(column_name) - 2)
ELSE column_name
END AS modified_name
FROM table_name;
13 changes: 13 additions & 0 deletions ...s-from-a-string-column/remove-the-last-two-characters-from-a-string-column-postgresql.sql
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Original file line number Diff line number Diff line change
@@ -0,0 +1,13 @@
-- Using SUBSTRING Function

SELECT
SUBSTRING(column_name FROM 1 FOR LENGTH(column_name) - 2) AS modified_name
FROM table_name;

-- Handling Edge Cases

SELECT CASE
WHEN LENGTH(column_name) > 2 THEN LEFT(column_name, LENGTH(column_name) - 2)
ELSE column_name
END AS modified_name
FROM table_name;
19 changes: 19 additions & 0 deletions ...rs-from-a-string-column/remove-the-last-two-characters-from-a-string-column-sqlserver.sql
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Original file line number Diff line number Diff line change
@@ -0,0 +1,19 @@
-- Using SUBSTRING Function

SELECT
SUBSTRING(column_name, 1, LEN(column_name) - 2) AS modified_name
FROM table_name;

-- Using LEFT Function

SELECT
LEFT(column_name, LEN(column_name) - 2) AS modified_name
FROM table_name;

-- Handling edge cases

SELECT CASE
WHEN LEN(column_name) > 2 THEN LEFT(column_name, LEN(column_name) - 2)
ELSE column_name
END AS modified_name
FROM table_name;