Which Of The Following Commands Can Be Used To View The Structure Of A Table?

The SELECT command

can be used to display the structure of a database table. A column heading that is longer than the width of a column will not be truncated for a column that is defined to store character data.

What command can be used to view the structure of a table?

– The structure of a table can be viewed using

the DESCRIBE TABLE_NAME command

. – Provides a description of the specified table or view. For a list of tables in the current schema, use the Show Tables command.

How do you find the structure of a table?

1. sqlite3: . schema table_name.
2. Postgres (psql): d table_name.
3. SQL Server: sp_help table_name (or sp_columns table_name for only columns)
4. Oracle DB2: desc table_name or describe table_name.
5. MySQL: describe table_name (or show columns from table_name for only columns)

How can I see the structure of a table in SQL?

1. In Object Explorer, select the table for which you want to show properties.
2. Right-click the table and choose Properties from the shortcut menu. For more information, see Table Properties – SSMS.

Which SQL command is used to change structure of database table?

The SQL ALTER TABLE command

is used to change the structure of an existing table. It helps to add or delete columns, create or destroy indexes, change the type of existing columns, or rename columns or the table itself.

What is the view in which you can modify the structure of a table called?

Answer:

The SQL ALTER TABLE command

is used to change the structure of an existing table.

What is the structure of a table in database?

A database table consists

of rows and columns

. In database terminology, each row is called a record, object or entity. Each column is called a field or attribute. Database management systems (DBMS) are used to work with large databases.

How do you describe a table?

• Summarise the table. …
• Divide the data. …
• Model Answer. …
• Make your point clearly. …
• Compare & contrast with exceptions. …
• Model answer analysis. …
• Points to remember. …
• Be a master and prepare fully with these tips.

Which MySQL command shows the structure of a table?

To show the schema, we can use

the DESC command

. This gives the description about the table structure.

How do you create a table structure?

1. CREATE TABLE table_name ( column1 datatype, column2 datatype, column3 datatype, …
2. Example. CREATE TABLE Persons ( PersonID int, …
3. CREATE TABLE new_table_name AS. SELECT column1, column2,… FROM existing_table_name. …
4. Example. CREATE TABLE TestTable AS. SELECT customername, contactname.

What is a table structure?

Answer: A table is

a data structure that organizes information into rows and columns

. It can be used to both store and display data in a structured format. For example, databases store data in tables so that information can be quickly accessed from specific rows.

What are the data types in a table structure?

It consists of

columns, and rows

. In relational databases, and flat file databases, a table is a set of data elements (values) using a model of vertical columns (identifiable by name) and horizontal rows, the cell being the unit where a row and column intersect.

How do I view a structure table in SAP?

1. Structure is a data object that is made up of components of any data type stored one after the other in the memory.
2. Step 1 − Go to transaction SE11.
3. Step 2 − Click on the ‘Data type’ option on the screen. …
4. Step 3 − Select the option ‘Structure’ in the next screen and press Enter.

Can two objects have same name in database?

Because tables and views are in the same namespace, a table and a view in the same schema cannot have the same name. … Each schema in the database has its own namespaces for the objects it contains. This means, for example, that two tables in different schemas are in different namespaces and

can have the same name

.

How do you modify the structure of a table example?

1. Changes to the columns in the table – example adding/removing columns or changing column size/types.
2. Changes to rules and constraints which apply to the table or the relationship(s) between tables.

How do you change the structure of a table?

1. SQL Server / MS Access: ALTER TABLE table_name. ALTER COLUMN column_name datatype;
2. My SQL / Oracle (prior version 10G): ALTER TABLE table_name. MODIFY COLUMN column_name datatype;
3. Oracle 10G and later: ALTER TABLE table_name.