What are the advanced SQL topics?
What are the advanced SQL topics?
Advanced Topics
- Functions, Stored Procedures, Packages.
- Pivoting data: CASE & PIVOT syntax.
- Hierarchical Queries.
- Cursors: Implicit and Explicit.
- Triggers.
- Dynamic SQL.
- Materialized Views.
- Query Optimization: Indexes.
What is an advanced query?
Advanced queries are a part of every database administrator or developer job. Advanced queries are typically used for reporting, joining multiple tables, nesting queries, and transaction locking.
What is an example of a SQL query?
An SQL SELECT statement retrieves records from a database table according to clauses (for example, FROM and WHERE ) that specify criteria. The syntax is: SELECT column1, column2 FROM table1, table2 WHERE column2=’value’; The WHERE clause selects only the rows in which the specified column contains the specified value.
Where can I learn advanced SQL?
You have 2 free member-only stories left this month.
- 6 Incredible Resources to Learn Advanced SQL. How to take your SQL skills from beginner to advanced. Terence Shin.
- Zachary Thomas’ Quip. Link here.
- Leetcode. Link here.
- Mode. Link here.
- SQL Server. Link here.
- Use the Index Luke. Link here.
- Hackerrank. Link here.
What is a query tool?
The Query Tool is an Ingres data management application written in OpenROAD 4GL. It provides a number of features that enable developers or data analysts to maintain and manipulate data in their local and remote Ingres installations. It lets you run ad hoc queries against a database.
What are advanced concepts in SQL?
The “Advanced SQL” requirement probably hints at knowledge and possibly proficiency in several of the new concepts such as: CTEs ( Common Table Expressions ) UDFs (User Defined Functions) Fulltext search extensions/integration performance tuning with new partitionning schemes, filtered indexes, sparse columns…)
What are some examples of SQL?
According to Database Dir, SQL uses a set of commands to manipulate the data in databases. Examples include SQL INSERT, which is used to add data in database tables, the SQL SELECT command to retrieve data from database tables and SQL UPDATE to modify existing database records.
What is SQL queries?
SQL Queries. SQL (pronounced “ess-que-el”) is the acronym for Structured Query Language. SQL is the standard language for communicating with relational database management systems. SQL statements are used to retrieve data from the database as well as perform tasks such as adding updating and deleting the data.
https://www.youtube.com/watch?v=2Fn0WAyZV0E