pl sql tutorialspoint | PL/SQL - Data Types

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PL/SQL - Data Types - tutorialspoint.com
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https://www.tutorialspoint.com/plsql/plsql_data_types.htm

PL/SQL provides subtypes of data types. For example, the data type NUMBER has a subtype called INTEGER. You can use the subtypes in your PL/SQL program to make the data types compatible with data types in other programs while embedding the PL/SQL code in another program, such as a Java program. PL/SQL Numeric Data Types and Subtypes

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PL/SQL Interview Questions - tutorialspoint.com
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https://www.tutorialspoint.com/plsql/plsql_interview_questions.htm

Dear readers, these PL/SQL Interview Questions have been designed specially to get you acquainted with the nature of questions you may encounter during your interview for the subject of PL/SQL.As per my experience good interviewers hardly plan to ask any particular question during your interview, normally questions start with some basic concept of the subject and later they …

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PL/SQL - Transactions - tutorialspoint.com
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https://www.tutorialspoint.com/plsql/plsql_transactions.htm

In this chapter, we will discuss the transactions in PL/SQL. A database transaction is an atomic unit of work that may consist of one or more related SQL statements. It is called atomic because the database modifications brought about by the SQL statements that constitute a transaction can collectively be either committed, i.e., made permanent to the database or rolled back (undone) …

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PL/SQL - Cursors - tutorialspoint.com
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https://www.tutorialspoint.com/plsql/plsql_cursors.htm

PL/SQL controls the context area through a cursor. A cursor holds the rows (one or more) returned by a SQL statement. The set of rows the cursor holds is referred to as the active set. You can name a cursor so that it could be referred to in a program to fetch and process the rows returned by the SQL statement, one at a time. There are two ...

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PL/SQL - Basic Syntax - tutorialspoint.com
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https://www.tutorialspoint.com/plsql/plsql_basic_syntax.htm

The PL/SQL Comments. Program comments are explanatory statements that can be included in the PL/SQL code that you write and helps anyone reading its source code. All programming languages allow some form of comments. The PL/SQL supports single-line and multi-line comments. All characters available inside any comment are ignored by the PL/SQL ...

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PL/SQL - Procedures - tutorialspoint.com
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https://www.tutorialspoint.com/plsql/plsql_procedures.htm

PL/SQL subprograms are named PL/SQL blocks that can be invoked with a set of parameters. PL/SQL provides two kinds of subprograms −. Functions − These subprograms return a single value; mainly used to compute and return a value. Procedures − These subprograms do not return a value directly; mainly used to perform an action. This chapter ...

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PL/SQL - Basic Loop Statement - tutorialspoint.com
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https://www.tutorialspoint.com/plsql/plsql_basic_loop.htm

The syntax of a basic loop in PL/SQL programming language is − LOOP Sequence of statements; END LOOP; Here, the sequence of statement(s) may be a …

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PL/SQL Mock Test - tutorialspoint.com
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https://www.tutorialspoint.com/plsql/plsql_mock_test.htm

Q 8 - Which of the following is true about comments in PL/SQL? A - Comments are explanatory statements. B - PL/SQL supports both single-line and multi-line comments. C - The PL/SQL single-line comments start with the delimiter -- (double hyphen) and multi-line comments are enclosed by /* and */. D - All of the above.

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PL/SQL - Date & Time - tutorialspoint.com
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https://www.tutorialspoint.com/plsql/plsql_date_time.htm

In this chapter, we will discuss the Date and Time in PL/SQL. There are two classes of date and time related data types in PL/SQL −. Datetime data types

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PL/SQL - DBMS Output - tutorialspoint.com
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https://www.tutorialspoint.com/plsql/plsql_dbms_output.htm

In this chapter, we will discuss the DBMS Output in PL/SQL. The DBMS_OUTPUT is a built-in package that enables you to display output, debugging information, and send messages from PL/SQL blocks, subprograms, packages, and triggers. We have already used this package throughout our tutorial. Let us look at a small code snippet that will display all the user tables in …

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