What is the result of SQL select statement?
The SELECT statement is used to select data from a database. The data returned is stored in a result table, called the result-set.
What is the output of SQL statement?
The SQL Statement Output area shows the outgoing SQL statement created by the task. If the task has a non-SQL Main Source or no Main Source, the are will be disabled and empty.
What is the syntax of select statement in SQL?
Syntax of SQL SELECT Statement:
[ORDER BY clause]; table-name is the name of the table from which the information is retrieved. column_list includes one or more columns from which data is retrieved. The code within the brackets is optional.
How do you write a SELECT statement?
The elements of a select statement include:
- SELECT: specifies which column to return.
- FROM: specifies from which table to fetch the data.
- WHERE: specifies how to filter the data.
- GROUP BY: arranges the data to be returned by groups. ‘
- HAVING: filters groups by predicates.
- ORDER BY: sorts the results.
How do you display in SQL?
The DISPLAY command must be placed immediately after the query statement on which you want it to take effect. For example: SELECT pno, pname FROM part WHERE color=’BLUE’; DISPLAY; When the system encounters this DISPLAY command, it displays the Result window containing the part number and name for all blue parts.
What is output by the SQL query select 2 * 4?
The answer is 8.
How do I select specific rows in SQL?
To select rows using selection symbols for character or graphic data, use the LIKE keyword in a WHERE clause, and the underscore and percent sign as selection symbols. You can create multiple row conditions, and use the AND, OR, or IN keywords to connect the conditions.
What are the three SQL classifications?
Data Definition Language (DDL) Statements. Data Manipulation Language (DML) Statements. Transaction Control Statements.
Is Grant a DDL statement?
Data Definition Language (DDL) Statements
Grant and revoke privileges and roles. Analyze information on a table, index, or cluster.
Which of the following is correct syntax for select into statement?
SELECT INTO Syntax
SELECT column1, column2, column3, … WHERE condition; The new table will be created with the column-names and types as defined in the old table.
What is the use of select query?
SELECT query is used to retrieve data from a table. It is the most used SQL query. We can retrieve complete table data, or partial by specifying conditions using the WHERE clause.
How can I see all tables in SQL?
Then issue one of the following SQL statement:
- Show all tables owned by the current user: SELECT table_name FROM user_tables;
- Show all tables in the current database: SELECT table_name FROM dba_tables;
- Show all tables that are accessible by the current user: