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Lazy ICT Dictionary

An ICT Dictionary for HKDSE Student

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INDEX

Spreadsheet1
SQL33

SPREADSHEET

Spreadsheet function

XLOOKUP()

SQL

SQL concept

Data integrity
Database Normalization

SQL keyword

SQL Data Type
CREATE
CONSTRAINT
SHOW
USE
DROP
INSERT INTO
UPDATE
ALTER TABLE
SELECT
WHERE/HAVING
DELETE FROM

SQL function

SQL Basic Function
AVG()
COUNT()
MAX()
MIN()
SUM()
DATE()
DAY()
MONTH()
YEAR()
LEN/LENGTH()
MID()
SPACE()
TRIM()
LOWER()
UPPER()
ABS()
CHAR/CHR()
INT()

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Archive

2025 3
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2024 31
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