How to create a table in navicat and run it with java

Create a table through Navicat and run it through Java code: Create a table using Navicat: Connect to the database, right-click to create the table and define the structure. Run from Java code: import the JDBC library, establish the database connection, create the Statement object, execute the create table query, and finally close the connection.

How to use Navicat to create a table and run it through Java code

Create a table using Navicat

Step 1: Connect to the database

• Open Navicat, create a new connection and connect to the target database.

Step 2: Select the database

• Select the database where you want to create the table in the navigation tree.

Step 3: Right-click to create a table

• Right-click the database name and select "Create" > "Table".

Step 4: Define the table structure

• In the "Table" window, specify the table name and column definitions.
• For each column, specify the data type, length, and constraints (if necessary).

Step 5: Save the table

• Click Save (or Ctrl S) to save the table structure.

Run through Java code

Step 1: Import the JDBC library

• In In the Java code, import the following JDBC library:

  <code class="java">import java.sql.*;</code>

Step 2: Establish a database connection

• ##Use

  DriverManager.getConnection() method establishes a database connection:

  <code class="java">Connection conn = DriverManager.getConnection(jdbcUrl, username, password);</code>

where
• jdbcUrl, username and password are databases respectively Connection URL, username and password.

Step 3: Create a Statement object

• Create a

  Statement object to perform SQL queries and updates:

  <code class="java">Statement stmt = conn.createStatement();</code>

Step 4: Execute create table query

##Use
• Statement.executeUpdate()

  Method execution creates table query: <div class="code" style="position:relative; padding:0px; margin:0px;"><pre class="brush:php;toolbar:false">&lt;code class=&quot;java&quot;&gt;String createTableQuery = &quot;CREATE TABLE table_name (column1_name data_type, column2_name data_type, ...);&quot;; stmt.executeUpdate(createTableQuery);&lt;/code&gt;</pre><div class="contentsignin">Copy after login</div></div>

Step 5: Close the connection

Finally, close the database connection:

• <code class="java">stmt.close();
  conn.close();</code>

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