Repository files navigation This respository was intended for revising my sql skills and getting sertificate from LinkedIn Learning platform
LinkedIn Learning Certificate
National Association of State Boards of Accountancy (NASBA)
Some concepts & ERDs (Entity Relation Diagram):
bddcc73 chapter 4, using select, aliases, order and limit
a5c9ca2 chapter 5, lesson 2 - using WHERE 😄 (I've run a little ahead)
97865bf working database added
75fa8ba chapter 5, lesson 3 - using BETWEEN and IN
0ec6f26 chapter 5, lesson 4 - using WHERE for string data
ce15fd6 chapter 5, lesson 5 - using LIKE with %
42ccb98 chapter 5, lesson 6 - searching by date, using Date() function
5c4df92 chapter 5, lesson 7 - using more than one WHERE conditions
3bdcc57 chapter 5, lesson 8 - using logical operator OR
e632322 chapter 5, lesson 9 - brackets or order
841829e chapter 5, lesson 10 - IF THEN logic with CASE
4647eb3 chapter 6, lesson 2 - Relations, using JOIN
f87f236 chapter 6, lesson 3 - simplifiing JOIN's using aliases
a78a79d chapter 6, lesson 6 - INNER JOIN
f11c853 chapter 6, lesson 7 - LEFT OUTER JOIN
434ee7f chapter 6, lesson 8 - RIGHT OUTER JOIN
f31a2d3 chapter 6, lesson 9 - big entity relational diagram
5f5de72 chapter 6, lesson 10 - joining many tables
37da4d1 chapter 7, lesson 2 - types of functions: string, date, aggregate
cfa179a chapter 7, lesson 3 - connecting strings
b91bb62 chapter 7, lesson 4 - using functions LENGTH, SUBSTR
cda93a3 chapter 7, lesson 5 - using functions UPPER, LOWER
3919116 chapter 7, lesson 6 - using date functions and make simple calculation
b99977d chapter 7, lesson 7 - using aggregate functions
3d8fc8e chapter 7, lesson 8 - using nesting functions and function ROUND
65c1230 chapter 8, lesson 2 - using grouping
73f9910 chapter 8, lesson 3 - using GROUP BY with WHERE
b001b78 chapter 8, lesson 4 - using HEAVING
4d935ec chapter 8, lesson 5 - using WHERE, GROUP BY and HEAVING
b86ff54 chapter 8, lesson 6 - grouping by many fields
3739daa chapter 9, lesson 2 - using subqueries
90a37d8 chapter 9, lesson 3 - subqueries in SELECT
e80446c chapter 9, lesson 4 - subqueries without aggregate
18c0ef3 chapter 9, lesson 5 - return multiple values from the subquery
630e84a chapter 9, lesson 6 - subquery with DISTINCT with NOT IN
587f491 chapter 10, lesson 2 - creating VIEW
58c1367 chapter 10, lesson 4 - creating VIEWs & JOINs
f8bcf11 chapter 10, lesson 5 - deleting VIEWs
a0ff4f3 chapter 11, lesson 2 - DML, INSERT
21c25f8 chapter 11, lesson 3 - DML, UPDATE
0f9df91 chapter 11, lesson 4 - DML, DELETE
716921b adds README.md, renaming img files for readability
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