
Dropping a column in SQL Server involves using the `ALTER TABLE .. DROP COLUMN` command.

Drop one column:

```sql
alter table products
drop column description;
```

Drop multiple colums at the same time:

```sql
alter table products
drop column price, description;
```


How to Drop a Column

How to Rename a Column in SQL Server - PopSQL

How to Rename a Column in SQL Server using sp_rename 

How to Measure Cohort Retention

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How to Concatenate Strings

How to Convert the Case of a String

How to Create an Array

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How to Insert Data Into an Array

PostgreSQL Array: How to Modify - PopSQL

How to Modify Arrays

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PostgreSQL: Trim Strings - PopSQL

How to Trim Strings

How to Use BETWEEN Correctly

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How to Use string_agg()

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How to Use substring()

How to Use PostgreSQL substring() with Regular Expressions - PopSQL

How to Use PostgreSQL substring() with RegEx to Extract a String

PostgreSQL: Insert Into a Table - PopSQL

How to Insert Into PostgreSQL

PostgreSQL: Update Statement - PopSQL

How to Update

How to Delete

PostgreSQL: Create a Table from Select - PopSQL

How to Create a Table

How to Drop a Table

How to Rename a Table

PostgreSQL: Truncate a Table - PopSQL

How to Truncate a Table

PostgreSQL: Copy a Table - PopSQL

How to Duplicate a Table

PostgreSQL: Add a Column using Alter Table - PopSQL

How to Add a Column

PostgreSQL: Drop a Column - PopSQL

PostgreSQL: Rename a Column using Alter Table - PopSQL

PostgreSQL: Change a Column Name

How to Add a Default Value to a Column

How to Remove a Default Value From a Column

How to Add a Not Null Constraint

PostgreSQL: Remove a Not Null Constraint - PopSQL

How to Remove a Not Null Constraint

PostgreSQL: Create an Index [Example] - PopSQL

PostgreSQL: Add an Index

PostgreSQL: Drop an Index - PopSQL

How to Drop an Index

How to Create a View

How to Drop a View

PostgreSQL: Alter Sequence Command - PopSQL

PostgreSQL: Reset Sequence Command

PostgreSQL: Query Date and Time using Timestamp - PopSQL

How to Query Date and Time

How to Group by Time

How to Round Timestamps

How to Convert UTC to Local Time Zone in PostgreSQL - PopSQL

PostgreSQL: Convert UTC to Local Time Zone for Timestamp without Timezone

PostgreSQL: Lateral Join Explained - PopSQL

How to Use Lateral Joins

How to Calculate Percentiles

How to Get the First Row per Group

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How to Do Type Casting

PostgreSQL CTE: Common Table Expression in Postgres - PopSQL

How to Write a Common Table Expression

PostgreSQL: Import a CSV using Copy Command - PopSQL

How to Import a CSV into PostgreSQL using Copy

How to Compare Two Values When One Is Null

PostgreSQL Coalesce: How to Use - PopSQL

How to Use Coalesce

PostgreSQL: Case Statement When [Example] - PopSQL

How to Write a Case Statement

How to Query a JSON Column

How to Use Filter to Have Multiple Counts

How to Calculate Cumulative Sum-Running Total

Redshift: Insert Into Command - PopSQL

How to Insert

Redshift: Update Function for Rows and Tables - PopSQL

Redshift: Create a Table [Example] - PopSQL

How to Use DISTKEY, SORTKEY and Define Column Compression Encoding

Redshift: Rename a Table - PopSQL

How to Rename a Column

How to Add or Remove Default Values or Null Constraints to a Column

How to Create an Index

Redshift: Create a View - PopSQL

Redshift Date Functions: timestamp, datediff, dateadd, sysdate, date_part - PopSQL

Redshift Date Functions: timestamp, datediff, dateadd, sysdate, date_part

Redshift convert_timezone Function: Convert UTC to Local Time Zone - PopSQL

Convert Timezone in Redshift from UTC to Local Time Zone

Redshift Coalesce: How to Use - PopSQL

Redshift: row_number Function to Get First Row Per Group - PopSQL

How to Get First Row Per Group in Redshift using row_number Function

How to Avoid Gaps in Data

How to Import a CSV

How to Compare Two Values When One is Null

Redshift Case Statement: How to Write Case When - PopSQL

Redshift: json_extract_path_text Function to Query a JSON Column - PopSQL

How to Query a JSON Column in Redshift using json_extract_path_text

How to Have Multiple Counts

MySQL: Insert Into a Table - PopSQL

MySQL: Delete Rows from a Table - PopSQL

How to Drop a Table in MySQL - PopSQL

How to Delete a Table in MySQL

How to Rename a Table in MySQL - PopSQL

MySQL: Rename a Table with Alter Table or Rename Table Command

MySQL: Truncate a Table - PopSQL

MySQL: Add a Column using Alter Table Command - PopSQL

How to Add a Column to MySQL Table

Drop a Column in MySQL using Alter Table - PopSQL

How to Remove a Column in MySQL

MySQL: Rename a Column using Alter Table - PopSQL

How to Change a Column Name in MySQL

MySQL: Add a Column with Default Value using Alter Table  - PopSQL

How to Set a Column with Default Value in MySQL with Alter Table Command

How to Remove a Default Value to a Column

MySQL: Not Null Constraint - PopSQL

SQL Server: Add a Column to a Table - PopSQL

How to Add a Column to SQL Server Table

How to Drop a Column in SQL Server