该类包含一些常量,它们表示SQLError.operation属性的可能值。这些值表示导致发生错误的尝试性操作。 每个值表示 SQLConnection 类或 SQLStatement 类的一项操作。
AE supports equality comparisons today, so DBAs can continue to query encrypted columns as part of their SQL commands. Always Encrypted can be used with a variety of key store options, such as Azure Key Vault, Windows certificate store, and local hardware security modules. Expand table ...
Commands: completion Generate the autocompletion script for the specified shell config Modify sqlconfig files using subcommands like "sqlcmd config use-context mssql" create Install/Create SQL Server, Azure SQL, and Tools delete Uninstall/Delete the current context help Help about any command open ...
This section describes meta-commands provided by gsql after the GaussDB(DWS) database CLI tool is used to connect to a database. A gsql meta-command can be anything that
Get started using SQL Server Management Studio (SSMS) to connect to your SQL Server instance and run some Transact-SQL (T-SQL) commands. Note While Microsoft Entra ID is the new name for Azure Active Directory (Azure AD), to prevent disrupting existing environments, Azure AD still remains in...
此类包含一些常数,它们表示 SQLColumnSchema 构造函数的defaultCollationType参数以及SQLColumnSchema.defaultCollationType属性的可能值。 这些值表示可为数据库表中的列指定的不同排序顺序。整理顺序是一种对数据进行排序和比较的方式,例如数据库是否区分大小写字符。
[ -a packet_size ][ -c cmd_end ] [ -L [ c ] list servers[clean output] ] [ -p [ 1 ] print statistics[colon format] ] [ -X [ 1 ] ] disable commands, startup script, enviroment variables [and exit] [ -? show syntax summary ] 命令行选项登录相关选项 -Ulogin_id 是 用户...
A table can have three triggers, one for each of the commands that can modify data in a table: the UPDATE, INSERT, and DELETE commands. The trigger is automatically executed when the command is carried out. The Upsizing Wizard uses triggers rather t...
29. What are UNION, MINUS and INTERSECT commands? 30. What is Cursor? How to use a Cursor? 31. What are Entities and Relationships? 32. List the different types of relationships in SQL. 33. What is an Alias in SQL? 34. What is a View? 35. What is Normalization? 36. What is De...
The DROP, DELETE, and TRUNCATE commands in SQL are used for removing data, but they differ significantly: DROP: Drop command is a DDL command. It completely removes a table or database, including its structure and all data from the database. DELETE: Delete is a DML command. It removes ...