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Tutorial SQL

SQL RUMAH Pengenalan SQL Sintaks SQL Pilih SQL SQL Pilih Berbeda SQL Dimana SQL Dan, Atau, Tidak Perintah SQL Oleh SQL Sisipkan Ke Nilai Null SQL Pembaruan SQL Hapus SQL SQL Pilih Atas SQL Min dan Maks Hitung SQL, Rata-Rata, Jumlah SQL Suka SQL Wildcard SQL In SQL Antara SQL Alias SQL Bergabung Gabung Dalam SQL SQL Kiri Gabung SQL Benar Bergabung Gabung Penuh SQL SQL Self Gabung SQL Union Grup SQL Oleh SQL Memiliki SQL Ada SQL Apa saja, Semua SQL Pilih Ke Sisipkan SQL Ke Pilih Kasus SQL Fungsi SQL Null Prosedur Tersimpan SQL Komentar SQL Operator SQL

Basis Data SQL

SQL Buat DB SQL Drop DB SQL Cadangan DB SQL Buat Tabel Tabel Jatuhkan SQL Tabel Ubah SQL Batasan SQL SQL Bukan Null SQL Unik Kunci Utama SQL Kunci Asing SQL Pemeriksaan SQL SQL Default Indeks SQL Peningkatan Otomatis SQL Tanggal SQL Tampilan SQL Injeksi SQL SQL Hosting Tipe Data SQL

Referensi SQL

Kata Kunci SQL
MENAMBAHKAN TAMBAHKAN KENDALA MENGUBAH ALTER COLUMN ALTER TABEL SEMUA DAN SETIAP SEBAGAI ASC CADANGAN DATABASE DI ANTARA KASUS MEMERIKSA KOLOM PAKSAAN MEMBUAT BUAT DATABASE BUAT INDEKS BUAT ATAU GANTI TAMPILAN BUAT TABEL CREATE PROCEDURE CREATE UNIQUE INDEX CREATE VIEW DATABASE DEFAULT DELETE DESC DISTINCT DROP DROP COLUMN DROP CONSTRAINT DROP DATABASE DROP DEFAULT DROP INDEX DROP TABLE DROP VIEW EXEC EXISTS FOREIGN KEY FROM FULL OUTER JOIN GROUP BY HAVING IN INDEX INNER JOIN INSERT INTO INSERT INTO SELECT IS NULL IS NOT NULL JOIN LEFT JOIN LIKE LIMIT NOT NOT NULL OR ORDER BY OUTER JOIN PRIMARY KEY PROCEDURE RIGHT JOIN ROWNUM SELECT SELECT DISTINCT SELECT INTO SELECT TOP SET TABLE TOP TRUNCATE TABLE UNION UNION ALL UNIQUE UPDATE VALUES VIEW WHERE
Fungsi MySQL
String Functions: ASCII CHAR_LENGTH CHARACTER_LENGTH CONCAT CONCAT_WS FIELD FIND_IN_SET FORMAT INSERT INSTR LCASE LEFT LENGTH LOCATE LOWER LPAD LTRIM MID POSITION REPEAT REPLACE REVERSE RIGHT RPAD RTRIM SPACE STRCMP SUBSTR SUBSTRING SUBSTRING_INDEX TRIM UCASE UPPER Numeric Functions: ABS ACOS ASIN ATAN ATAN2 AVG CEIL CEILING COS COT COUNT DEGREES DIV EXP FLOOR GREATEST LEAST LN LOG LOG10 LOG2 MAX MIN MOD PI POW POWER RADIANS RAND ROUND SIGN SIN SQRT SUM TAN TRUNCATE Date Functions: ADDDATE ADDTIME CURDATE CURRENT_DATE CURRENT_TIME CURRENT_TIMESTAMP CURTIME DATE DATEDIFF DATE_ADD DATE_FORMAT DATE_SUB DAY DAYNAME DAYOFMONTH DAYOFWEEK DAYOFYEAR EXTRACT FROM_DAYS HOUR LAST_DAY LOCALTIME LOCALTIMESTAMP MAKEDATE MAKETIME MICROSECOND MINUTE MONTH MONTHNAME NOW PERIOD_ADD PERIOD_DIFF QUARTER SECOND SEC_TO_TIME STR_TO_DATE SUBDATE SUBTIME SYSDATE TIME TIME_FORMAT TIME_TO_SEC TIMEDIFF TIMESTAMP TO_DAYS WEEK WEEKDAY WEEKOFYEAR YEAR YEARWEEK Advanced Functions: BIN BINARY CASE CAST COALESCE CONNECTION_ID CONV CONVERT CURRENT_USER DATABASE IF IFNULL ISNULL LAST_INSERT_ID NULLIF SESSION_USER SYSTEM_USER USER VERSION
Fungsi SQL Server
String Functions: ASCII CHAR CHARINDEX CONCAT Concat with + CONCAT_WS DATALENGTH DIFFERENCE FORMAT LEFT LEN LOWER LTRIM NCHAR PATINDEX QUOTENAME REPLACE REPLICATE REVERSE RIGHT RTRIM SOUNDEX SPACE STR STUFF SUBSTRING TRANSLATE TRIM UNICODE UPPER Numeric Functions: ABS ACOS ASIN ATAN ATN2 AVG CEILING COUNT COS COT DEGREES EXP FLOOR LOG LOG10 MAX MIN PI POWER RADIANS RAND ROUND SIGN SIN SQRT SQUARE SUM TAN Date Functions: CURRENT_TIMESTAMP DATEADD DATEDIFF DATEFROMPARTS DATENAME DATEPART DAY GETDATE GETUTCDATE ISDATE MONTH SYSDATETIME YEAR Advanced Functions CAST COALESCE CONVERT CURRENT_USER IIF ISNULL ISNUMERIC NULLIF SESSION_USER SESSIONPROPERTY SYSTEM_USER USER_NAME
Fungsi Akses MS
Fungsi Tali: asc Chr Concat dengan & CurDir Format InStr InstrRev LCase Kiri Len LTrim Pertengahan Mengganti Benar RTrim Ruang angkasa Membelah str StrComp StrKonv StrTerbalik Memangkas UCase Fungsi numerik: perut atn Rata-rata karena Menghitung exp Memperbaiki Format ke dalam Maks min Acak Rnd Bulat tanda persegi Jumlah Val Fungsi Tanggal: Tanggal TanggalTambah TanggalPerbedaan Bagian Tanggal Serial Tanggal TanggalNilai Hari Format Jam Menit Bulan Nama Bulan Sekarang Kedua Waktu TimeSerial Nilai waktu Hari kerja Nama Hari Kerja Tahun Fungsi lainnya: Pengguna Saat Ini Tentang IsDate ApakahNull AdalahNumerik
Referensi Cepat SQL

Contoh SQL

Contoh SQL Kuis SQL Latihan SQL Sertifikat SQL

Fungsi Akses MS

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MS Access memiliki banyak fungsi bawaan.

Referensi ini berisi fungsi string, numerik, dan tanggal di MS Access.

Fungsi String Akses MS

Function Description
Asc Returns the ASCII value for the specific character
Chr Returns the character for the specified ASCII number code
Concat with & Adds two or more strings together
CurDir Returns the full path for a specified drive
Format Formats a value with the specified format
InStr Gets the position of the first occurrence of a string in another
InstrRev Gets the position of the first occurrence of a string in another, from the end of string
LCase Converts a string to lower-case
Left Extracts a number of characters from a string (starting from left)
Len Returns the length of a string
LTrim Removes leading spaces from a string
Mid Extracts some characters from a string (starting at any position)
Replace Replaces a substring within a string, with another substring, a specified number of times
Right Extracts a number of characters from a string (starting from right)
RTrim Removes trailing spaces from a string
Space Returns a string of the specified number of space characters
Split Splits a string into an array of substrings
Str Returns a number as string
StrComp Compares two strings
StrConv Returns a converted string
StrReverse Reverses a string and returns the result
Trim Removes both leading and trailing spaces from a string
UCase Converts a string to upper-case

Fungsi Numerik MS Access

Function Description
Abs Returns the absolute value of a number
Atn Returns the arc tangent of a number
Avg Returns the average value of an expression
Cos Returns the cosine of an angle
Count Returns the number of records returned by a select query
Exp Returns e raised to the power of a specified number
Fix Returns the integer part of a number
Format Formats a numeric value with the specified format
Int Returns the integer part of a number
Max Returns the maximum value in a set of values
Min Returns the minimum value in a set of values
Randomize Initializes the random number generator (used by Rnd()) with a seed
Rnd Returns a random number
Round Rounds a number to a specified number of decimal places
Sgn Returns the sign of a number
Sqr Returns the square root of a number
Sum Calculates the sum of a set of values
Val Reads a string and returns the numbers found in the string

Fungsi Tanggal Akses MS

Function Description
Date Returns the current system date
DateAdd Adds a time/date interval to a date and then returns the date
DateDiff Returns the difference between two dates
DatePart Returns a specified part of a date (as an integer)
DateSerial Returns a date from the specified parts (year, month, and day values)
DateValue Returns a date based on a string
Day Returns the day of the month for a given date
Format Formats a date value with the specified format
Hour Returns the hour part of a time/datetime
Minute Returns the minute part of a time/datetime
Month Returns the month part of a given date
MonthName Returns the name of the month based on a number
Now Returns the current date and time based on the computer's system date and time
Second Returns the seconds part of a time/datetime
Time Returns the current system time
TimeSerial Returns a time from the specified parts (hour, minute, and second value)
TimeValue Returns a time based on a string
Weekday Returns the weekday number for a given date
WeekdayName Returns the weekday name based on a number
Year Returns the year part of a given date

MS Access Beberapa Fungsi Lainnya

Function Description
CurrentUser Returns the name of the current database user
Environ Returns a string that contains the value of an operating system environment variable
IsDate Checks whether an expression can be converted to a date
IsNull Checks whether an expression contains Null (no data)
IsNumeric Checks whether an expression is a valid number

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