How do I retrieve information from a table?

How do I retrieve information from a table?

Retrieval with SQL

1. The SELECT clause allows us to specify a comma-separated list of attribute names corresponding to the columns that are to be retrieved.
2. In queries where all the data is found in one table, the FROM clause is where we specify the name of the table from which to retrieve rows.

Which command is used to retrieve all records from a table?

SQL SELECT statement
The SQL SELECT statement is used to retrieve records from one or more tables in your SQL database.

Is there a way to capture data in SQL Server?

The intention of this article is not to analyze the techniques that exist within SQL Server like Change Data Capture (Enterprise Edition only), Change Tracking, or Temporal Tables (only for 2016), but to show how to create a solution that fits the specific needs of customers.

How to find missing data in two tables in SQL?

In this sample statement, the condition (table1.keyfield=table2.keyfield) tells SQL to find records in both tables that contain matching values in the column named by keyfield. If one of the tables contains records that are orphaned—for which there is no corresponding record with a matching value in the other table—those records are ignored.

How to capture deleted records in sqlservercentral?

Similarly, records deleted from dbo.SalesPerson will stream into CDC_DELETED.dbo_SalesPerson, and the corresponding table for dbo.Employee is CDC_DELETED.dbo_Employee. To do this, as I said, we will use a DML AFTER trigger, which will insert the original row in a field of type XML.

When to use change data capture in Transact-SQL?

cdc. _CT (Transact-SQL) Is the change table created when change data capture is enabled on a source table. The table returns one row for each insert and delete operation performed against the source table, and two rows for each update operation performed against the source table.