Description

The SHOW CREATE TABLE command is used to obtain the creation statement of a specified table, materialized view, or view. With this command, users can easily view and copy the table creation syntax of existing database objects.

Syntax

SHOW CREATE TABLE object_name;

Parameter Description

• object_name: Specifies the name of the database object to query. This can be a table, materialized view, or view.

Examples

1. View the creation statement of a table

To view the creation statement of a table named t0, you can execute the following command:

SHOW CREATE TABLE dy_base_a;

After executing this command, the system will return an output similar to the following:

+--------------------------------------------------------+
|                          sql                           |
+--------------------------------------------------------+
| CREATE TABLE wb.`public`.dy_base_a(
  `i` int,
  `j` int)
USING PARQUET
OPTIONS(
  'cz.storage.parquet.block.size'='134217728',
  'cz.storage.parquet.dictionary.page.size'='2097152',
  'cz.storag |
+--------------------------------------------------------+

2. View the Creation Statement of the Materialized View

If you want to view the creation statement of the materialized view named mv, you can use the following command:

SHOW CREATE TABLE mv;

The system will return output similar to the following:

+--------------------------------------------------------+
|                          sql                           |
+--------------------------------------------------------+
| CREATE MATERIALIZED VIEW qingyun.`public`.mv(
  `i` ,
  `j` )
REFRESH ON DEMAND
USING PARQUET
OPTIONS(
  'cz.storage.parquet.block.size'='134217728',
  'cz.storage.parquet.dictionary.page.size'='20971 |
+--------------------------------------------------------+

3. View the Creation Statement of a View

To view the creation statement of a view named v0, you can execute the following command:

SHOW CREATE TABLE v0;

The system will return output similar to the following:

CREATE VIEW `v0` AS
SELECT t1.id, t1.name
FROM table1 AS t1
WHERE t1.age > 18;

4. View the Creation Statement of a Dynamic Table

If you want to view the creation statement of a dynamic table named change_table, you can use the following command:

SHOW CREATE TABLE change_table;

The system will return output similar to the following:

+--------------------------------------------------------+
|                          sql                           |
+--------------------------------------------------------+
| CREATE DYNAMIC TABLE wb.`public`.change_table(
  `i` ,
  `j` )
REFRESH ON DEMAND
USING PARQUET
OPTIONS(
  'cz.storage.parquet.block.size'='134217728',
  'cz.storage.parquet.dictionary.page.size'= |
+--------------------------------------------------------+
1 row selected (0.118 seconds)