How to create a table in oracle using code

Answer: Yes, you can create a table by using the CREATE TABLE statement. Syntax: CREATE TABLE table_name (column_name data_type, ...); specify column name and data type; optional constraints (for example, NOT NULL, UNIQUE, PRIMARY KEY); Example: Create customers table (id, name, address); execute statement (For example, in SQLPlus: SQL> CREATE TABLE customers (id NUMBER PRIMARY KEY, name V

Oracle Create table using code

In Oracle, tables can be created through code using SQL statements. The following steps illustrate how to do this:

1. Use the CREATE TABLE statement

The syntax for creating a table is as follows:

<code>CREATE TABLE table_name (
  column1_name data_type,
  column2_name data_type,
  ...
  columnn_name data_type
);</code>

2. Specify the column name and data type

• table_name is the name of the table to be created .
• column_name is the name of each column to be created.
• data_type is the data type of each column (for example, NUMBER, VARCHAR2, DATE. etc.).

##3. Optional constraints

In addition to column names and data types, column constraints can also be specified, for example:

• NOT NULL: Null columns are not allowed
• UNIQUE: Guaranteed that the values ​​in the column are unique. PRIMARY KEY: Identifies the column as the primary key, used to uniquely identify each row in the table
• ##4. Example

The following example creates the name. A table for

customers with three columns: id

,

name, and address:

<code>CREATE TABLE customers (
  id NUMBER PRIMARY KEY,
  name VARCHAR2(255) NOT NULL,
  address VARCHAR2(255)
);</code>

5. Execute statementYou can use SQL

Plus or other database tools to execute the CREATE TABLE statement. For example, in SQL

Plus:

.

<code>SQL> CREATE TABLE customers (
     id NUMBER PRIMARY KEY,
     name VARCHAR2(255) NOT NULL,
     address VARCHAR2(255)
  );

Table created.</code>

Now the table named customers is created and ready to insert data into it .

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