How do you rename a table in Netezza?

You can use Netezza alter table command change or drop column defaults if any. Rename a column or table without changing the data type or size within column or table. Add or drop constrains on table or columns.

Can we use rename with Alter Table?

ALTER TABLE table_name RENAME TO new_table_name; Columns can be also be given new name with the use of ALTER TABLE. QUERY: Change the name of column NAME to FIRST_NAME in table Student.

How do I rename a column in Sybase?

Usage

  1. sp_rename changes the name of a user-created object or datatype.
  2. When you are renaming a column or index, do not specify the table name in newname.
  3. If a column and an index have the same name, use the [,“index” | “column”] argument, which specifies whether to rename the index or the column.

How do I add a column in Netezza?

The Applier task can apply the following DDL operations to Netezza targets:

  1. table_name. ADD. column_name. datatype. [NULL|NOT NULL]
  2. table_name. ADD CONSTRAINT. constraint_name. UNIQUE ( column_name. )
  3. table_name. DROP COLUMN. column_name. CASCADE.
  4. table_name. DROP CONSTRAINT. constraint_name. CASCADE.
  5. table_name.

How do I change a table name?

The first one uses the ALTER TABLE syntax:

  1. ALTER TABLE old_table_name RENAME new_table_name; The second way is to use RENAME TABLE :
  2. RENAME TABLE old_table_name TO new_table_name; RENAME TABLE offers more flexibility.
  3. RENAME TABLE products TO products_old, products_new TO products;

How do you rename a table?

Rename a table in Excel for the web

  1. Click on the table.
  2. On the Table Design tab, double-click the Table Name, and then enter a new name.

How do you rename a table using alter command?

Can we rename table and column using alter command?

It is not possible to rename a column using the ALTER TABLE statement in SQL Server. Use sp_rename instead. To rename a column in SparkSQL or Hive SQL, we would use the ALTER TABLE Change Column command.

How do I drop a column in Sybase?

You can delete columns by selecting the column on the Columns tab and choosing File > Remove Column. You can copy a column to a table by selecting the column on the Columns tab in the right pane and then clicking the Copy button.

How do you groom a table in Netezza?

The GROOM TABLE command reclaims disk space, reorganizes tables that are based on the clustered base table organizing keys, and migrates data for tables that have multiple stored versions. Note: This command replaces the nzreclaim command. For more information, see the IBM Netezza System Administrator’s Guide .

How do I change the owner of a table in Netezza?

To change the owner of a table, enter: MYDB. SCHEMA(USER)=> ALTER TABLE weather OWNER TO jane; Note: The ALTER TABLE command requires exclusive access to the table before it runs, and waits until it has exclusive access.

How do I rename a table in SQL?

Using SQL Server Management Studio

  1. In Object Explorer, right-click the table you want to rename and choose Design from the shortcut menu.
  2. From the View menu, choose Properties.
  3. In the field for the Name value in the Properties window, type a new name for the table.

How to use ALTER TABLE command in Netezza?

Below are the uses of alter table command: You can use Netezza alter table command change or drop column defaults if any. Rename a column or table without changing the data type or size within column or table Add or drop constrains on table or columns. Reorganize the columns in Netezza database.

How can Netezza support improve the performance of a query?

In environments where the former command behavior is required, Netezza Support can restore the previous behavior. Use the GENERATE STATISTICS command to generate information about each column proportion of duplicate values, and the maximum and minimum values. The optimizer uses this information to determine the most efficient way to run a query.

How do I change the schema in IBM Netezza?

This command is run on the source IBM Netezza system. Use the SET SCHEDULER RULE command to deactivate or reactivate a scheduler rule. Use the SET SCHEMA command to change to a different schema. If you specify db_name.schema_name to connect to a schema in a different database, the command issues a SET CATALOG command to change to the database.

How do I select a specific row in Netezza?

Use the SELECT command to retrieve rows from a table or view. It returns the rows that satisfy the criteria you specify, including the WHERE condition. If you omit the WHERE condition, the SELECT command chooses from all rows. Use the SELECT command to start a stored procedure on a IBM Netezza host.