What are the object types in SQL Server?
SQL objects are schemas, journals, catalogs, tables, aliases, views, indexes, constraints, triggers, sequences, stored procedures, user-defined functions, user-defined types, global variables, and SQL packages. SQL creates and maintains these objects as system objects.
What is DESC equivalent in SQL Server?
The SQL Server equivalent to Oracle’s describe command is the stored proc sp_help. The describe command gives you the information about the column names, types, length, etc.
Does SQL default to ASC or DESC?
The ORDER BY statement in SQL is used to sort the fetched data in either ascending or descending according to one or more columns. By default ORDER BY sorts the data in ascending order. We can use the keyword DESC to sort the data in descending order and the keyword ASC to sort in ascending order.
What is DDL DML DCL and Dql in SQL Server?
These SQL commands are mainly categorized into four categories as: DDL – Data Definition Language. DQl – Data Query Language. DML – Data Manipulation Language. DCL – Data Control Language.
What is DDL DML DCL Dql and TCL?
DDL – Data Definition Language. DQL – Data Query Language. DML – Data Manipulation Language. DCL – Data Control Language. TCL – Transaction Control Language.
How do I view table descriptions in SQL?
Using SQL Server Management Studio In Object Explorer, select the table for which you want to show properties. Right-click the table and choose Properties from the shortcut menu. For more information, see Table Properties – SSMS.
What does DESC Table_name do?
The SQL DESCRIBE TABLE query will make us to know about the organization of table that consists of name of table column with data type values such as VARCHAR, CHAR, INT, FLOAT, TIME, DATE, NUMBER or any XML type, used for the respective fields in the table, also it displays column having NULL or NOT NULL database …
What are the four categories of SQL commands?
SQL commands broadly fit into four categories:
- DDL (Data Definition Language)
- DML (Data Manipulation Language)
- DCL (Data Control Language)
- TCL (Transactional Control Language)
What is DDL and TCL?
DDL – Data Definition Language. DML – Data Manipulation Language. DCL – Data Control Language. TCL – Transaction Control Language.
What is DCL and TCL in SQL?
DCL – Data Control Language. TCL – Transaction Control Language.
What is DDL DML DCL and DQL in SQL Server?
What is object_ID in the current database context?
The SQL Server Database Engine assumes that object_id is in the current database context. The collation of the object definition always matches that of the calling database context. OBJECT_DEFINITION applies to the following object types: TR = SQL trigger (schema-scoped DML trigger, or DDL trigger at either the database or server scope)
What is an SQL Server object?
An object is any SQL Server resource, such as a SQL Server lock or Windows process. Each object contains one or more counters that determine various aspects of the objects to monitor.
How do I get a list of schema-scoped objects in SQL Server?
For a list of schema-scoped objects, see sys.objects (Transact-SQL). This function cannot be used for objects that are not schema-scoped, such as data definition language (DDL) triggers and event notifications. To view Transact-SQL syntax for SQL Server 2014 and earlier, see Previous versions documentation.
What are system monitor objects and counters in SQL Server?
Microsoft SQL Server provides objects and counters that can be used by System Monitor to monitor activity in computers running an instance of SQL Server. An object is any SQL Server resource, such as a SQL Server lock or Windows process.