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  1. www.w3schools.com › SQl › sql_alterSQL ALTER TABLE Statement - W3Schools

    Learn how to use the ALTER TABLE statement to add, delete, or modify columns in an existing table. See examples of adding, dropping, and renaming columns, and changing data types.

  2. stackoverflow.com › questions › 174582How do I rename a column in a database table using SQL?

    6 Οκτ 2008 · ALTER TABLE <table_name> CHANGE <column_name> <new_column_name> <data_type> ... Note that you can't just rename and leave the type and constraints as is; you must retype the data type and constraints after the new name of the column.

  3. learn.microsoft.com › en-us › sqlRename columns (Database Engine) - SQL Server | Microsoft Learn

    22 Ιουλ 2024 · Learn how to rename a table column in the SQL Server Database Engine with SQL Server Management Studio or Transact-SQL.

  4. www.sqlservertutorial.net › sql-server-basics › sql-server-alter-table-alter-columnSQL Server ALTER TABLE ALTER COLUMN By Examples

    Learn how to use the SQL Server ALTER TABLE ALTER COLUMN statement to modify a column of a table. See examples of changing data type, size, and adding NOT NULL constraint.

  5. www.freecodecamp.org › news › alter-table-in-sql-how-to-add-a-column-or-rename-aAlter Table in SQL – How to Add a Column or Rename a Column in...

    9 Αυγ 2021 · Learn how to use the ALTER TABLE statement to modify your database tables with examples. Be careful when adding or renaming columns as it can cause performance issues or break dependencies.

  6. www.sql-easy.com › learn › how-to-rename-a-column-in-sqlHow to Rename a Column in SQL: Step-by-Step Guide

    2 Ιουν 2023 · Learn how to use the ALTER TABLE command and other methods to rename columns in SQL databases. See examples for different RDBMS platforms and the advantages of proper column naming.

  7. www.tutorialsteacher.com › sql › sql-rename-columnsSQL ALTER TABLE RENAME Statement - TutorialsTeacher.com

    ALTER TABLE RENAME - Rename Columns. The ALTER command is a DDL command to modify the structure of existing tables in the database by adding, modifying, renaming, or dropping columns and constraints. Use the ALTER TABLE RENAME command to rename column names.

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