![]() SELECT EMP_ID, NAME FROM EMPLOYEE_TBL WHERE EMP_ID = '0000' Ĥ. Query for Outputting Sorted Data Using ‘Order By’ This SQL query retrieves the specified attributes from the table on the constraint Employee ID =0000 Query for Outputting Data Using a Constraint If you want to display all the attributes from a particular table, this is the right query to use:ģ. The select statement is used to select data from the database. In the example below, we are extracting the “Student_ID” column or attribute from the table “STUDENT”. These are perhaps the most useful SQL query examples. This output table is also termed the result set.Ģ. The output data is saved in a result table. The data retrieved is put in a result table, named the result set. The SELECT statement is applied to pick data from a table. This command is also useful to get which column users want to see as the output table. With the SELECT command, users can define the columns that they want to get in the query output. This query can be run to retrieve the list of tables present in a database where the database is “My_Schema”. STDDEV, STDDEV_POP and STDDEV_SAMP Queries Each of the queries in the SQL tutorial is consequential to almost every system that interacts with an SQL database. ![]() Here is a list of SQL queries that are really important for coding & optimization. SQL is incredibly powerful, and like every well-made development tool, it has a few commands which it’s vital for a good developer to know.
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