What are the keywords in PL SQL?

D PL/SQL Reserved Words and Keywords

Begins with:	Keywords
P	PACKAGE, PARALLEL_ENABLE, PARAMETER, PARAMETERS, PARTITION, PASCAL, PIPE, PIPELINED, PRAGMA, PRECISION, PRIVATE
R	RAISE, RANGE, RAW, READ, RECORD, REF, REFERENCE, REM, REMAINDER, RENAME, RESULT, RETURN, RETURNING, REVERSE, ROLLBACK, ROW

What is Oracle user keyword?

USER returns the name of the session user (the user who logged on). If a Real Application Security session is currently attached to the database session, then it returns user XS$NULL . This function returns a VARCHAR2 value. Oracle Database compares values of this function with blank-padded comparison semantics.

What keywords are used to determine a PL SQL block?

A PL/SQL block is defined by the keywords DECLARE , BEGIN , EXCEPTION , and END . These keywords partition the block into a declarative part, an executable part, and an exception-handling part.

What is user in PL SQL?

Purpose. Use the CREATE USER statement to create and configure a database user, which is an account through which you can log in to the database, and to establish the means by which Oracle Database permits access by the user.

Is keyword in PL SQL?

Answer: The PL/SQL language evolved such the the “IS” and “AS” operators are equivalent. Functionally the “IS” and “AS” syntax performs identical functions and can be used interchangeably. However, in SQL there is a subtle difference between “AS” and “IS”: SQL> create or replace view emp_view as select * from scott.

Is keyword in Oracle procedure?

The procedure body begins with the keyword IS (or AS ) and ends with the keyword END followed by an optional procedure name. These items are local and cease to exist when you exit the procedure. The executable part contains statements that assign values, control execution, and manipulate Oracle data.

How do I create a SQL username?

Procedure

In the SQL Server Management Studio, open Object Explorer.
Click Server_instance_name > Security > Logins.
Right-click Logins and select New Login.
On the General page, in the Login name field, type the name for a new user.
Select SQL Server authentication.
In the Password field, type a password for the user.

How do I connect to a user in Oracle?

Connecting to Oracle Database from SQL*Plus

If you are on a Windows system, display a Windows command prompt.
At the command prompt, type sqlplus and press the key Enter. SQL*Plus starts and prompts you for your user name.
Type your user name and press the key Enter.
Type your password and press the key Enter.

What is the purpose of trigger?

Triggers are used to maintain the referential integrity of data by changing the data in a systematic fashion. Each trigger is attached to a single, specified table in the database. Triggers can be viewed as similar to stored procedures in that both consist of procedural logic that is stored at the database level.

How do you create a user?

How to Create a New User Account on Your Computer

Choose Start→Control Panel and in the resulting window, click the Add or Remove User Accounts link.
Click Create a New Account.
Enter an account name and then select the type of account you want to create.
Click the Create Account button and then close the Control Panel.

Is comment a keyword in Oracle?

Oracle discourages you from using this prefix in the names you explicitly provide to your schema objects and subobjects to avoid possible conflicts in name resolution….List of Oracle Reserved Words.

Oracle Reserved Words and Keywords
CLOSE	CLOSE_CACHED_OPEN_CURSORS	CLUSTER
COALESCE	COLUMN	COLUMNS
COMMENT	COMMIT	COMMITTED

Is procedure a key word in SQL?

This SQL keywords reference contains the reserved words in SQL….SQL Keywords.

Keyword	Description
CREATE PROCEDURE	Creates a stored procedure
CREATE UNIQUE INDEX	Creates a unique index on a table (no duplicate values)
CREATE VIEW	Creates a view based on the result set of a SELECT statement
DATABASE	Creates or deletes an SQL database

How does PL / SQL work in Oracle 18c?

Oracle Database 18c PL/SQL PL/SQL is a procedural language designed specifically to embrace SQL statements within its syntax. PL/SQL program units are compiled by the Oracle Database server and stored inside the database. And at run-time, both PL/SQL and SQL run within the same server process, bringing optimal efficiency.

Can a keyword be used as an identifier in SQL?

Keywords can be used as identifiers, but this is not recommended. Some of these words are also reserved by SQL. For a list of the Oracle database reserved words, see Oracle Database SQL Reference. You can generate a list of all keywords and reserved words with the V$RESERVED_WORDS view, described in Oracle Database Reference.

Where does PL / SQL run in the database?

PL/SQL is a procedural language designed specifically to embrace SQL statements within its syntax. PL/SQL program units are compiled by the Oracle Database server and stored inside the database. And at run-time, both PL/SQL and SQL run within the same server process, bringing optimal efficiency.

What are the reserved words in PL / SQL?

The words listed in this appendix are reserved by PL/SQL. You should not use them to name program objects such as constants, variables, cursors, schema objects such as columns, tables, or indexes. These words reserved by PL/SQL are classified as keywords or reserved words. See Table D-1 and Table D-2.

What are the keywords in PL SQL?