How do I truncate a table partition in SQL Server?

Posted on by Emilia Duggan

How do I truncate a table partition in SQL Server?

Syntax: TRUNCATE TABLE WITH PARTITIONS. TRUNCATE TABLE [SchemaName]. [TableName] WITH (PARTITIONS [Partition Number Expression] | [Range]); Before you use TRUNCATE TABLE WITH PARTITION clause in SQL Server 2016 make sure all the indexes on the table are aligned with its partitions else the statement will fail.

How do I truncate a partition?

Use the ALTER TABLE TRUNCATE PARTITION statement to remove all rows from a table partition, with or without reclaiming space. Truncating a partition in an interval-partitioned table does not move the transition point. You can truncate partitions and subpartitions in a reference-partitioned table.

How do I truncate a SQL Server database?

A solution that can TRUNCATE all tables

  1. Create a table variable to store the constraint drop and creation scripts for the database.
  2. Load the data for all tables in the database.
  3. Execute a cursor to drop all constraints.
  4. Truncate all tables.
  5. Recreate all the constraints.

How do I truncate permissions in SQL Server?

  1. Step 1 – Create User Proxy ID.
  2. Step 2 – Create Stored Procedure with TRUNCATE TABLE permission.
  3. Step 3 – Grant Execute Permission.
  4. Step 4 – Execute Stored Procedure as Test User.
  5. Step 5 – Truncate Foreign Key Child Only Table.
  6. Step 6 – Truncate Self-Referencing Table.
  7. Step 7 – Truncating Parent Table with Child Tables.

How do I truncate a partitioned Hive table?

You can truncate multiple partitions from a range or list partitioned table with the TRUNCATE PARTITION clause of the ALTER TABLE statement. Of course we can. Hive> use mydatabase; Hive> truncate table mytable; In the above command mydatabase and mytable are the example database and table name.

How do I remove a table partition?

It is used for partitioning and repartitioning storage devices.

  1. Step 1: List Partition Scheme. Before deleting a partition, run the following command to list the partition scheme.
  2. Step 2: Select the Disk.
  3. Step 3: Delete Partitions.
  4. Step 4: Verify Partition Deletion.
  5. Step 5: Save Changes and Quit.

What is Delete command in SQL?

The DELETE statement is used to delete existing records in a table.

How do you truncate a database?

Select Database -> More Database Operations -> Truncate Database (Shift+Del) to truncate (make the tables empty) all the tables of a database (however, the Tables and other objects (Stored Procedures, Views etc.) are not dropped).

Why we use delete in SQL?

The SQL DELETE Statement The DELETE statement is used to delete existing records in a table.

What is the difference between truncate and delete?

DELETE vs TRUNCATE DELETE is a SQL command that removes one or multiple rows from a table using conditions. TRUNCATE is a SQL command that removes all the rows from a table without using any condition. It is a DML(Data Manipulation Language) command.

How do I truncate table permissions?