If you are looking for the answer of multiple where and statements sql, you’ve got the right page. We have approximately 10 FAQ regarding multiple where and statements sql. Read it below.
Which statement is used to limit data in sql server?
Ask: Which statement is used to limit data in sql server?
Answer:
SQL SELECT LIMIT
The SQL SELECT LIMIT statement is used to retrieve records from one or more tables in a database and limit the number of records returned based on a limit value. TIP: SELECT LIMIT is not supported in all SQL databases. For databases such as SQL Server or MSAccess, use the SELECT TOP statement to limit your results.
Evaluate the following PL/SQL. 1 DECLARE 2 v_employee_id employees.employee_id%TYPE :=
Ask: Evaluate the following PL/SQL.
1 DECLARE
2 v_employee_id employees.employee_id%TYPE := 114;
3 BEGIN
4 DELETE employees WHERE employee_id = v_employee_id;
5 END;
Select one:
a.
The PL/SQL will produce an error in line 4.
b.
The PL/SQL will produce an error in line 2.
c.
The PL/SQL will delete employee number 114.
d.
To execute successfully delete line 1,2,3,5.
Answer:
12563739
Explanation:
yan Ang sagott salamt
A group of SQL statements that can be called by
Ask: A group of SQL statements that can be called by name
Answer:
A named group of SQL statements that can be executed in a database is called
A.
.Subroutine
.SubroutineB.
.SubroutineB.Formula
.SubroutineB.FormulaC.
.SubroutineB.FormulaC.Stored procedure
.SubroutineB.FormulaC.Stored procedureD.
.SubroutineB.FormulaC.Stored procedureD.Method
True or False. In SQL, you cannot perform delete and
Ask: True or False. In SQL, you cannot perform delete and update commands without using where clause.
Answer:
True Ang sagot diyan ate
Evaluate the following SQL commandSELECT employee_id, hire_date, department_name FROM employees,
Ask: Evaluate the following SQL command
SELECT employee_id, hire_date, department_name FROM employees, departments
WHERE departments.department_id = employees.department_id
Select one:
a.
The SQL command will produce an error.
b.
The SQL command will give an incorrect output.
c.
The SQL command should have ALIAS for the table to produce a correct output.
d.
The SQL command will produce a correct output.
Answer:
Explanation:
D. This should produce a correct output.
I’m making a number of assumptions here. More specifically, that this is likely referring to the standard MySQL syntax (or identical in this context) and that both tables “employees” and “departments” contain columns “employee_id”, “hire_date”, and “department_name”. If one or both of these assumptions are wrong, then the answer should be A (error).
SELECT employee_id, hire_date, department_name
FROM employees, departments
WHERE departments.department_id = employees.department_id
This WHERE line compares the department_id from the “departments” table and “employees” table. It will only SELECT the “employee_id”, “hire_date” and “department_name” of the records FROM both tables IF their “department_id” values are the same.
The _____ statement in sql combines rows from two queries
Ask: The _____ statement in sql combines rows from two queries and returns only the rows that appear in the first set but not in the second.
Answer:
The minus statement in sql combines rows from two queries and returns only the rows that appear in the first set but not in the second.
what database objects can be secured by restricting access with
Ask: what database objects can be secured by restricting access with SQL statements?
Answer:
The best answer for database objects can be secured with SQL statements. Database objects that can be secured with SQL statements include tables, indexes, views, and stored procedures. Securing these objects can help protect against data theft and other breaches.
is there a way we can directly execute the SQL
Ask: is there a way we can directly execute the SQL command by simply typing the SQL command?
Answer:
In some applications, having hard coded SQL statements is not appealing because of the dynamic nature of the queries being issued against the database server. Because of this, sometimes there is a need to dynamically create a SQL statement on the fly and then run that command. This can be done quite simply from the application perspective where the SQL statement is built on the fly whether you are using ASP.NET, ColdFusion or any other programming language. But how do you do this from within a SQL Server stored procedure?
How to build dynamic SQL statement in SQL Server
SQL Server offers a few ways of running a dynamically built SQL statement. Here are a few options:
Writing a query with parameters
Using EXEC
Using sp_executesql
We will use the AdventureWorks database for the below examples.
Things to Note
Although generating SQL code on the fly is an easy way to dynamically build statements, it does have some drawbacks.
One issue is the potential for SQL Injection where malicious code is inserted into the command that is being built. The examples below are very simple to get you started, but you should be aware of SQL Injection and ways to prevent it by making sure your code is robust to check for any issues before executing the statement that is being built.
Another issue is the possible performance issues by generating the code on the fly. You don’t really know how a user may use the code and therefore there is a potential for a query to do something you did not expect and therefore become a performance issue. So once again, you should make sure your code checks for any potential problems before just executing the generated code.
i hope its help
Evaluate the following PL/SQL. 1 DECLARE 2 v_employee_id employees.employee_id%TYPE :=
Ask: Evaluate the following PL/SQL.
1 DECLARE
2 v_employee_id employees.employee_id%TYPE := 114;
3 BEGIN
4 DELETE employees WHERE employee_id = v_employee_id;
5 END;
Select one:
a.
To execute successfully delete line 1,2,3,5.
b.
The PL/SQL will produce an error in line 2.
c.
The PL/SQL will delete employee number 114.
d.
The PL/SQL will produce an error in line 4.
Answer:
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Answer:
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Evaluate the following SQL command SELECT * FROM jobs WHERE
Ask: Evaluate the following SQL command SELECT * FROM jobs WHERE job_title LIKE ‘Manager%’ Select one:
a. The SQL command will produce an error.
b. The SQL command will display all employees with Manager position
c. No records will be displayed
d. The SQL command will display all records in the database
Answer:
agot love dado ayieeeeeee
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