get the count of table rows

Counting all of the Rows in a Table. To counts all of the rows in a table, whether they contain NULL values or not, use COUNT(*). That form of the COUNT() function basically returns the number of rows in a result set returned by a SELECT statement.

1. How do I count the number of rows in a SQL table?
2. How can I get row counts of all tables in SQL Server?
3. How can I count rows of multiple tables in SQL?
4. How do I get the last 5 rows of a table?
5. How do I count distinct rows in SQL?
6. Which one sorts rows in SQL?
7. How can I see all tables in SQL?
8. How do I get a list of tables in SQL Server?
9. How do I count all tables in a database?
10. How do I count multiple rows in a table?
11. How can I add two values in a table in SQL?
12. How do I get two counts in SQL?

How do I count the number of rows in a SQL table?

COUNT(*) or COUNT(1) The seemingly obvious way to get the count of rows from the table is to use the COUNT function. There are two common ways to do this – COUNT(*) and COUNT(1).

How can I get row counts of all tables in SQL Server?

Let's start coding.

1. SELECT TOP 10 (SCHEMA_NAME(A.schema_id) + '.' + A. Name) AS TableName.
2. , SUM(B. rows) AS RecordCount.
3. FROM sys.objects A.
4. INNER JOIN sys.partitions B ON A.object_id = B.object_id.
5. WHERE A.type = 'U'
6. GROUP BY A.schema_id, A. Name.

How can I count rows of multiple tables in SQL?

To achieve this for multiple tables, use the UNION ALL. select sum(variableName. aliasName) from ( select count(*) as yourAliasName from yourTableName1 UNION ALL select count(*) as yourAliasName from yourTableName2 ) yourVariableName; Let us implement the above syntax.

How do I get the last 5 rows of a table?

1. You need to count number of rows inside table ( say we have 12 rows )
2. then subtract 5 rows from them ( we are now in 7 )
3. select * where index_column > 7 select * from users where user_id > ( (select COUNT(*) from users) - 5) you can order them ASC or DESC.

How do I count distinct rows in SQL?

Syntax. SELECT COUNT(DISTINCT column) FROM table; This statement would count all the unique entries of the attribute column in the table . DISTINCT ensures that repeated entries are only counted once.

Which one sorts rows in SQL?

The SQL ORDER BY Keyword

The ORDER BY keyword is used to sort the result-set in ascending or descending order. The ORDER BY keyword sorts the records in ascending order by default. To sort the records in descending order, use the DESC keyword.

How can I see all tables in SQL?

The easiest way to see all tables in the database is to query the all_tables view: SELECT owner, table_name FROM all_tables; This will show the owner (the user) and the name of the table. You don't need any special privileges to see this view, but it only shows tables that are accessible to you.

How do I get a list of tables 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; Code language: SQL (Structured Query Language) (sql)
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 count all tables in a database?

Get record count for all tables in MySQL database?

1. SELECT SUM(TABLE_ROWS) FROM INFORMATION_SCHEMA. TABLES WHERE TABLE_SCHEMA = 'yourDatabaseName'; ...
2. mysql> SELECT SUM(TABLE_ROWS) ->FROM INFORMATION_SCHEMA. TABLES ->WHERE TABLE_SCHEMA = 'business'; ...
3. mysql> SELECT table_name, table_rows ->FROM INFORMATION_SCHEMA. TABLES ->WHERE TABLE_SCHEMA = 'business';

How do I count multiple rows in a table?

You need to do the following:

1. Use SELECT COUNT (*) on each table to have its rowed total.
2. Use UNION ALL to build a result of the row count of each table.
3. Wrap that result set in CTE or derived table.
4. Select from the CTE or derived table SUMing the row count column.

How can I add two values in a table in SQL?

Different Types of SQL JOINs

1. (INNER) JOIN : Returns records that have matching values in both tables.
2. LEFT (OUTER) JOIN : Returns all records from the left table, and the matched records from the right table.
3. RIGHT (OUTER) JOIN : Returns all records from the right table, and the matched records from the left table.

How do I get two counts in SQL?

How to get multiple counts with one SQL query?

1. SELECT distributor_id,
2. COUNT(*) AS TOTAL,
3. COUNT(*) WHERE level = 'exec',
4. COUNT(*) WHERE level = 'personal'