How to Get All Table Names And Its Column Names In Oracle?

To get all table names and its column names in Oracle, you can query the USER_TAB_COLUMNS view. This view contains information about all columns in all tables owned by the current user. You can use a SQL query like:

SELECT TABLE_NAME, COLUMN_NAME FROM USER_TAB_COLUMNS;

This query will return a list of all table names along with their corresponding column names that are accessible to the current user. You can further refine this query by adding conditions or joining with other views to get more detailed information about the tables and columns in your Oracle database.

What is the SQL query to display all columns for a specific table in Oracle?

To display all columns for a specific table in Oracle, you can use the following SQL query:

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SELECT * 
FROM user_tab_columns
WHERE table_name = 'your_table_name';

Replace 'your_table_name' with the name of the specific table for which you want to display all columns. This query will retrieve all columns for the specified table from the user_tab_columns view in Oracle.

How to display the names of all tables and columns in an Oracle database using SQL?

To display the names of all tables and columns in an Oracle database, you can use the following SQL query:

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SELECT table_name, column_name 
FROM all_tab_columns;

This query will retrieve all table names and column names from the database. You can also filter the results by specifying a specific table or column using the WHERE clause:

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SELECT table_name, column_name 
FROM all_tab_columns
WHERE table_name = 'your_table_name';

Replace 'your_table_name' with the name of the specific table you want to see the columns for.

How to get a list of all tables and columns in an Oracle database?

To get a list of all tables and columns in an Oracle database, you can use the following SQL query:

1. Connect to your Oracle database using a tool like SQL*Plus, SQL Developer, or any other SQL client.
2. Run the following query to retrieve a list of all tables and their columns:

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SELECT table_name, column_name
FROM all_tab_columns
ORDER BY table_name, column_id;

This query retrieves the table name and column name from the all_tab_columns view, which contains information about all tables and their columns in the database.

1. You can further refine the query to include additional information such as the data type, length, and other attributes of the columns by modifying the SELECT statement as needed.

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SELECT table_name, column_name, data_type, data_length, nullable
FROM all_tab_columns
ORDER BY table_name, column_id;

This query will return a more detailed list of tables and columns including the data type, length, and whether the column allows NULL values.

By running the above queries, you will be able to get a comprehensive list of all tables and columns in your Oracle database.

How to list all tables and their columns in Oracle?

You can list all tables and their columns in Oracle by querying the data dictionary views. Here is a sample query to achieve this:

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SELECT table_name, column_name
FROM all_tab_columns
ORDER BY table_name, column_id;

This query will return a list of all tables in the database along with their corresponding column names. You can further customize the query to filter on specific schema or table names if needed.

How to display the table names and column names in an Oracle schema?

You can display the table names and column names in an Oracle schema by querying the data dictionary views. Here is an example SQL query you can use:

To display the table names in the schema:

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SELECT table_name
FROM user_tables;

To display the column names for a specific table:

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SELECT column_name
FROM user_tab_columns
WHERE table_name = 'YOUR_TABLE_NAME';

Replace 'YOUR_TABLE_NAME' with the name of the table you want to get the column names for.

How to get a complete list of all table names and column names in an Oracle database schema?

You can get a complete list of all table names using the following SQL query:

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SELECT table_name
FROM all_tables
WHERE owner = 'your_schema_name';

To get the column names of a specific table, you can use the following query:

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SELECT column_name
FROM all_tab_columns
WHERE table_name = 'your_table_name' AND owner = 'your_schema_name';

Alternatively, you can use the following query to get a list of all table names and their corresponding column names:

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SELECT table_name, column_name
FROM all_tab_columns
WHERE owner = 'your_schema_name'
ORDER BY table_name, column_id;

Replace 'your_schema_name' with the name of your database schema to retrieve the information you need.