PL/SQL

PL / SQL cung cấp một lời giải thích của các cú pháp DDL, DML bao gồm giải thích PL.

Learn SQL in a greatly improved learning environment with more lessons, real practice opportunity, and community support. Learn and practice SQL right now. Example SQL Client allows you to connect to different DBMS straight from your smartphone or tablet and can execute queries, navigate through tables or views, and even export data. Becoming fluent in SQL takes practice. Reading up, studying the theory or simply knowing the syntax will take you so far; but only regular practice on the full range of the language will make you fluent.

Create, access, and manipulate databases. At the same time, collect points, unlock levels and achievements, and compete with other learners from around the world! Through a series of assignments more and more complex around the new database system that you new employer has deployed, you will move up within the company and become masterful in the art of SQL.Practicing SQL should also be hassle-free and (yes!) fun.

PL / SQL provides an explanation of the syntax DDL, DML including PL explanations, which include explanations block-making function, procedure and package in a practical and simple.Learn SQL covers an array of SQL-related topics, such as:

• Database Basics

• Key SQL Statements

• Retrieving, Updating, and Filtering Data

• Functions and Subqueries

• Creating, Updating, and Deleting Tables

• Joining Multiple Tables

• Creating Custom Views

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