The number of records or rows in a table using MySQL can be got by using the COUNT statement.
Explanation:
- 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
- The SQL COUNT() function returns the number of rows in a table satisfying the criteria specified in the WHERE clause.
- It sets the number of rows or non NULL column values.
- COUNT() returns 0 if there were no matching rows.
- The SQL COUNT function is an aggregate function that returns the number of rows returned by a query. You can use the COUNT function in the SELECT statement to get the number of employees, the number of employees in each department, the number of employees who hold a specific job, etc.
Answer:
i would say C.output
Explanation:
the program would be the code, the input would be the input, and the memory card would be the memory leaving the output as the only thing forgotten.
Answer:
Labels and Safety Data Sheets.
Explanation:
Label is a short description of what is inside the container. And Safety Data Sheets has everything that is required. You have precautionary measures listed as well as the training details in the safety data sheets. The training PPE is hence not required definitely. However, the only other thing required is the label, as without that you will not come to know what is inside the container from outside. Hence, the above answer.
