How do I get all the tables from a database by query in SQL Server?

Then issue one of the following SQL statement:

  1. Show all tables owned by the current user: SELECT table_name FROM user_tables;
  2. Show all tables in the current database: SELECT table_name FROM dba_tables;
  3. Show all tables that are accessible by the current user:

How do I get a list of tables and fields in SQL Server?

You can query the catalog or INFORMATION_SCHEMA views:

  1. SELECT.
  2. AS SchemaName.
  3. , AS TableName.
  4. , AS ColumnName.
  5. FROM sys. schemas AS s.
  6. JOIN sys. tables AS t ON t. schema_id = s. schema_id.
  7. JOIN sys. columns AS c ON c. object_id = t. object_id.
  8. ORDER BY.

How do I query a table from another server in SQL?

Follow these steps to create a Linked Server:

  1. Server Objects -> Linked Servers -> New Linked Server.
  2. Provide Remote Server Name.
  3. Select Remote Server Type (SQL Server or Other).
  4. Select Security -> Be made using this security context and provide login and password of remote server.
  5. Click OK and you are done !!

How do I query multiple servers in SQL?

In Management Studio, on the Tools menu, click Options. Expand Query Results, expand SQL Server, and then click Multiserver Results. On the Multiserver Results page, specify the option settings that you want, and then click OK.

What is the query to list all tables in database?

SELECT table_name FROM user_tables; This query returns the following list of tables that contain all the tables owned by the user in the entire database.

How do I list all the tables in my database?

To use the SHOW TABLES command, you need to log on to the MySQL server first. On opening the MySQL Command Line Client, enter your password. Select the specific database. Run the SHOW TABLES command to see all the tables in the database that has been selected.

How do I display a list of tables in SQL?

The easiest way to find all tables in SQL is to query the INFORMATION_SCHEMA views. You do this by specifying the information schema, then the “tables” view. Here’s an example. SELECT table_name, table_schema, table_type FROM information_schema.

How do you compare tables in two different servers?

First, if you want to run codes locally, and two tables are from two different remote servers, then you need to add two link server. Then use checksum(*) to compare query requests. Or you can compare them directly.

Can I query from two different databases?

Multiple Databases on One Server Instance

It is possible to use SQL to write one query that combines the information from many databases. There are two requirements: You must prefix all table references with the database name (e.g. customers.

What is a multi table query?

Just like it sounds, a multiple-table query blends together information from two or more related tables. The main difference between a multiple-table query and a single-table query is that with multiple-table queries, Access creates a link between related tables.

How do I get a list of table names in a SQL Server database?

In MySQL, there are two ways to find the names of all tables, either by using the “show” keyword or by query INFORMATION_SCHEMA. In the case of SQL Server or MSSQL, You can either use sys. tables or INFORMATION_SCHEMA to get all table names for a database.

How do I present a list of tables?

Steps to insert list of tables and figures in Word

  1. Place the cursor where you want to add the list.
  2. Go to the References tab.
  3. Click Insert Table of Figures in the Caption group.
  4. In the Table of the Figures dialog box select the relevant Caption Label (Table, Figure, & Equation etc…)

How can I compare two tables in different database in SQL Server?

Comparing Database Data

  1. On the SQL menu, point to Data Compare, and then click New Data Comparison.
  2. Identify the source and target databases.
  3. Select the check boxes for the tables and views that you want to compare.

Can 2 tables reference each other?

When you create two tables that are related to each other, they are often related by a column in one table referencing the primary key of the other table – that column is called the “foreign key”.

How can I retrieve data from multiple databases in a single query?

The easiest way to get data from multiple servers is linking them, querying the data from each table using the fully qualified table name, i.e. Server. Database. Schema. Table , and make the union of all.

How can I get data from multiple tables in a single query?

In SQL, to fetch data from multiple tables, the join operator is used. The join operator adds or removes rows in the virtual table that is used by SQL server to process data before the other steps of the query consume the data.

How do I view multiple tables in SQL?

Example syntax to select from multiple tables:

  1. SELECT p. p_id, p. cus_id, p. p_name, c1. name1, c2. name2.
  2. FROM product AS p.
  3. LEFT JOIN customer1 AS c1.
  4. ON p. cus_id=c1. cus_id.
  5. LEFT JOIN customer2 AS c2.
  6. ON p. cus_id = c2. cus_id.

How can you display a list of existing tables in a database?

How to display all the tables from a database in SQL?

  2. — This returns all the tables in the database system.
  3. — Lists all the tables in all databases SELECT table_name FROM information_schema.

How do I compare two tables in different databases?

Can 2 tables have 2 relationships?

There is no relationships between two tables. If you want relationships, you may create another same table to create realtionships.

Can two tables share a primary key?

Every table can have (but does not have to have) a primary key. The column or columns defined as the primary key ensure uniqueness in the table; no two rows can have the same key. The primary key of one table may also help to identify records in other tables, and be part of the second table’s primary key.

Can you run SQL query across multiple databases?

The SQL Server Group functionality provides the capability to execute a query against a common database on multiple servers but in case if a query has to be executed against multiple databases on a single server then some other functionality need to used.

How do I query across multiple tables?

How do you get data from multiple tables in SQL without join?

You could try something like this: SELECT FROM ( SELECT f1,f2,f3 FROM table1 UNION SELECT f1,f2,f3 FROM table2 ) WHERE …

How can I see what tables are in SQL?

To view table data:

  1. In SQL Developer, search for a table as described in “Viewing Tables”.
  2. Select the table that contains the data.
  3. In the object pane, click the Data subtab.
  4. (Optional) Click a column name to sort the data by that column.
  5. (Optional) Click the SQL subtab to view the SQL statement that defines the table.