Przełącznik języka
Zaproś mnie na KAWE
Jeżeli podoba Ci się strona i chcesz wspomóc projekt!
Tools
Mining
Księgowość
Płatnik
Security
CMS
Hardware
Backup
Windows Server
Uncategorised
Databases
Przydatne strony
Emulators
Poczta
PHP
Powershell
Storage Array
Active Directory
SEO
Serwis
MSSQL
DNS
Windows
Poradniki
Antivirus program
Linux
Naprawy
Windows Server
Foto
Licznik
Visitor Info
- IP: 10.1.241.191
- Browser: Unknown
- Browser Version:
- Operating System: Unknown
Who Is Online
Wildcard Characters in MS Access
Wildcard Characters in MS Access
| Symbol | Description | Example |
|---|---|---|
| * | Represents zero or more characters | bl* finds bl, black, blue, and blob |
| ? | Represents a single character | h?t finds hot, hat, and hit |
| [] | Represents any single character within the brackets | h[oa]t finds hot and hat, but not hit |
| ! | Represents any character not in the brackets | h[!oa]t finds hit, but not hot and hat |
| - | Represents a range of characters | c[a-b]t finds cat and cbt |
| # | Represents any single numeric character | 2#5 finds 205, 215, 225, 235, 245, 255, 265, 275, 285, and 295 |
Here are some examples showing different LIKE operators with '%' and '_' wildcards:
| LIKE Operator | Description |
|---|---|
| WHERE CustomerName LIKE 'a%' | Finds any values that starts with "a" |
| WHERE CustomerName LIKE '%a' | Finds any values that ends with "a" |
| WHERE CustomerName LIKE '%or%' | Finds any values that have "or" in any position |
| WHERE CustomerName LIKE '_r%' | Finds any values that have "r" in the second position |
| WHERE CustomerName LIKE 'a__%' | Finds any values that starts with "a" and are at least 3 characters in length |
| WHERE ContactName LIKE 'a%o' | Finds any values that starts with "a" and ends with "o" |
Wildcard Characters in SQL Server
Wildcard Characters in SQL Server
| Symbol | Description | Example |
|---|---|---|
| % | Represents zero or more characters | bl% finds bl, black, blue, and blob |
| _ | Represents a single character | h_t finds hot, hat, and hit |
| [] | Represents any single character within the brackets | h[oa]t finds hot and hat, but not hit |
| ^ | Represents any character not in the brackets | h[^oa]t finds hit, but not hot and hat |
| - | Represents a range of characters | c[a-b]t finds cat and cbt |
Here are some examples showing different LIKE operators with '%' and '_' wildcards:
| LIKE Operator | Description |
|---|---|
| WHERE CustomerName LIKE 'a%' | Finds any values that starts with "a" |
| WHERE CustomerName LIKE '%a' | Finds any values that ends with "a" |
| WHERE CustomerName LIKE '%or%' | Finds any values that have "or" in any position |
| WHERE CustomerName LIKE '_r%' | Finds any values that have "r" in the second position |
| WHERE CustomerName LIKE 'a__%' | Finds any values that starts with "a" and are at least 3 characters in length |
| WHERE ContactName LIKE 'a%o' | Finds any values that starts with "a" and ends with "o" |
How to View SQL Server Database Size and File Locations
How to View SQL Server Database Size and File Locations
SELECT
--database ID
mdf.database_id,
--database name
mdf.name,
--database file location
mdf.physical_name as data_file,
ldf.physical_name as log_file,
db_size_MB = CAST((mdf.size * 8.0)/1024 AS DECIMAL(8,2)),
log_size = CAST((ldf.size * 8.0 / 1024) AS DECIMAL(8,2))
FROM (SELECT * FROM sys.master_files WHERE type_desc = 'ROWS' ) mdf
JOIN (SELECT * FROM sys.master_files WHERE type_desc = 'LOG' ) ldf
ON mdf.database_id = ldf.database_id
--sort DESC or ASC
order by db_size_MB DESC