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SQL Server Danar124 Cheat Sheet by

Microsoft SQL Server Cheat Sheet demonstrates the creation of stored procedures, triggers and functions.
sql     server     mabd

Data Type

Exact Numerics
bit
decimal
tinyint
money
smallint
numeric
bigint
Appr­oximate Numerics
float
real
Date and Time
smalld­atetime
timestamp
datetime
Stri­ngs
char
text
varchar
Unicode Strings
nchar
ntext
nvarchar
Binary Strings
binary
image
varbinary
Misc­ell­ane­ous
cursor
table
sql_va­riant
xml

String Functions

ASCII
REPLICATE
CHAR
REVERSE
CHARINDEX
RIGHT
DIFFERENCE
RTRIM
LEFT
SOUNDEX
LEN
SPACE
LOWER
STR
LTRIM
STUFF
NCHAR
SUBSTRING
PATINDEX
UNICODE
REPLACE
UPPER
QUOTENAME

Type Conversion

CAST (exression AS datatype)
CONVERT (datatype, expres­sion, [style])
 

Grouping (Aggre­gate) Functions

AVG
MAX
BINARY­_CH­ECKSUM
MIN
CHECKSUM
SUM
CHECKS­UM_AVG
STDEV
COUNT
STDEVP
COUNT_BIG
VAR
GROUPING
VARP

Date Functions

DATEADD (datepart, number, date)
SYSDAT­ETIME()
DATEDIFF (datepart, start, end)
SYSUTC­DAT­ETIME()
DATENAME (datepart, date)
SYSDAT­ETI­MEO­FFSET()
DATEPART (datepart, date)
SWITCH­OFFSET (DATET­IME­OFF­SET­,ti­me_­zone)
DAY (date)
ISDATE (expre­ssion)
GETDATE()
MONTH (date)
GETUTC­DATE()
YEAR (date)

Mathem­atical Functions

ABS
LOG10
ACOS
PI
ASIN
POWER
ATAN
RADIANS
ATN2
RAND
COT
SIN
TAN
EXP
COS
DEGREES
LOG
CEILING
ROUND
FLOOR
SQRT
SQUARE
SIGN
 

Dateparts

Year
yy, yyyy
Quarter
qq, q
Month
mm, m
Day of Year
dy, y
Day
dd, d
Week
wk, ww
Hour
hh
Minute
mi, n
Second
ss, s
Millis­econd
ms

Object Operation

Stored Procedure
CREATE PROCEDURE <name> AS <sql_statement>

Views
CREATE VIEW<name>[(<Column>,...)]
AS <SELECT_statement>

Triggers
CREATE TRIGGER <name> ON <table>
FOR INSERT, UPDATE, DELETE AS <sql_statement>

Functions
CREATE FUNCTION <name>
RETURNS <data_type>
AS BEGIN <sql_statement>
RETURN <sql_expression> END

Create a Stored Procedure

CREATE PROCEDURE name
@variable AS datatype = value
AS
-- Comments
SELECT * FROM table
GO

Table Functions

ALTER
DROP
CREATE
TRUNCATE

Ranking Functions

RANK
NTILE
DENSE RANK
ROW_NUMBER
 

Foreign Key Construct

ALTER TABLE <table1> WITH CHECK
ADD CONSTRAINT <constraintName>
FOREIGN KEY (<table1col1>)
REFERENCES <table2> (<table2col2>)

Drop Constraint

ALTER TABLE <tablename> DROP
CONSTRAINT <constraintName>

Primary Key construct

ALTER TABLE <tablename> ADDCONSTRAINT <constraintName>
PRIMARY KEY CLUSTERED (column_List)

Create an Index

CREATE UNIQUE INDEX name
ON
table (columns)

T-SQL Statements

UPDATE Statement
UPDATE table_name
SET column_name=(expression | DEFAULT | NULL [,...n]
[WHERE <search_condition>]

DELETE Statement
DELETE [FROM] table_name
[WHERE <search_condition>]

INSERT Statement
INSERT [INTO] table_name [(column_list)]
VALUES ((DEFAULT | NULL | expression 1[,...n])

Select Statement Construct

SELECT [DISTINCT] [(TOP int | TOP int PERCENT)]
Column list
[INTO new_table]
FROM table_source
[[[INNER | {{ LEFT | RIGHT | FULL}[OUTER]}] JOIN | CROSS APPLY]
table_source2
ON table_source.primary_key =
table_source2.foreign_key][,...n]
[WHERE search_condition]
[GROUP BY group_by_expression]
[HAVING search_condition]
[ORDER BY order_expression [ASC | DESC]]

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