How can I see table description in SQL?
SQL Server: sp_help table_name (or sp_columns table_name for only columns) Oracle DB2: desc table_name or describe table_name. MySQL: describe table_name (or show columns from table_name for only columns)
How do you display description in a table?
{DESCRIBE | DESC} table_name;
- We can use the following steps to show all columns of the table:
- Step 1: Login into the MySQL database server.
- Step 2: Switch to a specific database.
- Step 3: Execute the DESCRIBE statement.
- For example, if we want to show a customer table’s structure, execute the below statement.
- Syntax:
What is DESC command in MySQL?
The DESC is the short form of DESCRIBE command and used to dipslay the information about a table like column names and constraints on column name. The DESCRIBE command is equivalent to the following command − SHOW columns from yourTableName command.
What is the statement to display how table is structured in MySQL?
Display descriptive information about tables in the current database or in a given database: SHOW TABLE STATUS; SHOW TABLE STATUS FROM db_name; This statement was introduced in MySQL 3.23. 0.
How do I add a description to a table in SQL?
Answers
- Make sure you have the table open in design view.
- Click in the design pane on some white space (not on a column’s row in the grid).
- In the Properties pane, edit the description property.
Which command is used to get the description of table?
Since in database we have tables, that’s why we use DESCRIBE or DESC(both are same) command to describe the structure of a table. Syntax: DESCRIBE one; OR DESC one; Note : We can use either DESCRIBE or DESC(both are Case Insensitive).
How do you get DDL of a table using a query?
- Statement 1. CREATE TABLE My_Table (COLUMN1 VARCHAR2(1), COLUMN2 NUMBER(1)) Table created.
- Statement 2. BEGIN DBMS_METADATA. SET_TRANSFORM_PARAM(DBMS_METADATA.
- Statement 3. select DBMS_METADATA.GET_DDL(object_type, object_name) from user_objects where object_type = ‘TABLE’ and object_name = ‘MY_TABLE’
How do you get create statement of a table in SQL Server?
How to Generate a CREATE TABLE Script For an Existing Table: Part…
- IF OBJECT_ID(‘dbo.Table1’, ‘U’) IS NOT NULL.
- DROP TABLE dbo.Table1.
- GO.
- CREATE TABLE dbo.Table1 (ColumnID INT PRIMARY KEY)
- GO.
- EXEC sys.sp_helptext ‘dbo.Table1’
- SELECT OBJECT_DEFINITION(OBJECT_ID(‘dbo.Table1’, ‘U’))
How do I view a column description in SQL?
In SQL Server, details regarding a specific table column (e.g., column name, column id, column data type, column constraints) can be retrieved by joining system tables such as sys. tables, sys. columns, and sys.
How do I find the description of a column in SQL?
Right click column and choose Properties. In the properties dialog select Extended Properties tab – it lists all extended properties assigned to the your column. To edit the description find property named ‘MS_Description’.
How do I view a table script in SQL Server?
3 Answers
- Open SSMS.
- Open Object Explorer (hit F8)
- Connect to a SQL instance.
- Open “Databases”
- Open the desired database.
- Open “Tables”
- Right-click on the desire table.
- In the menu, select “Script table as”
How do you get DDL of a table in mssql?
SQL Server Management Studio ( SSMS) does provide the feature to script single or all objects. To generate DDL script for single object, You can right click on the object and then choose the statement you like to create.
How do you find DDL?
4.2 Generating DDL
- On the Workspace home page, click the SQL Workshop.
- Click Utilities.
- Click Generate DDL. The Generate DDL page appears.
- Click Create Script. The Generate DDL Wizard appears.
- Select a database schema and click Next.
- Define the object type: Output – Specify an output format.
- Click Generate DDL.
How get DDL of all tables in SQL Server?
How can I get DDL from table in SQL?
To generate the table DDL via query, you can use show create command. SHOW CREATE TABLE yourTableName; The above syntax is MySQL specific. Suppose, we have a table with the name ‘DDLOfTableStudent’.