- How do you make an ERD diagram?
- How do I trace a stored procedure in SQL Profiler?
- How do I view a database table?
- How do I view all mysql databases?
- What is difference between view and table?
- What is database diagram?
- What is a database diagram in SQL Server?
- How do I read a TRC file?
- What is SQL query example?
- How do I view a SQL database?
- How do I view a SQL query table?
- How do you view a database?
- How do I view a SQL trace file?
- How do I view a diagram in SQL Server?
- How do I view a trace file?
- How do I access mysql database?
- How can I see all tables in SQL?
How do you make an ERD diagram?
Below points show how to go about creating an ER diagram.Identify all the entities in the system.
An entity should appear only once in a particular diagram.
Identify relationships between entities.
Connect them using a line and add a diamond in the middle describing the relationship.Add attributes for entities..
How do I trace a stored procedure in SQL Profiler?
ResolutionOpen SQL Server Profiler from the start menu or from SQL Management Studio (Tools menu) and log into the server and database when prompted. … On the General tab: … On the Events Selection tab: … Once the configuration is complete, click the Run button to start the trace.
How do I view a database table?
To show tables owned by the current user, you query from the user_tables view. SELECT table_name FROM user_tables ORDER BY table_name; Note that this view does not show the OWNER column. Also, the user_tables table does not contain the other tables that are accessible by the current user.
How do I view all mysql databases?
show databases; To access a specific database, type the following command at the mysql> prompt, replacing DBNAME with the database that you want to access: use DBNAME; After you access a database, you can run SQL queries, list tables, and so on.
What is difference between view and table?
A view is a virtual table. A view consists of rows and columns just like a table. The difference between a view and a table is that views are definitions built on top of other tables (or views), and do not hold data themselves. If data is changing in the underlying table, the same change is reflected in the view.
What is database diagram?
A database schema is the skeleton structure that represents the logical view of the entire database. It defines how the data is organized and how the relations among them are associated. It formulates all the constraints that are to be applied on the data.
What is a database diagram in SQL Server?
Database diagrams graphically show the structure of the database. Using database diagrams you can create and modify tables, columns, relationships, and keys. Additionally, you can modify indexes and constraints.
How do I read a TRC file?
File created by SQL Server Profiler, which is included with SQL Server software; contains trace results of the activity of a SQL database; can be used to analyze a sequence of database statements. To open a TRC file, select File → Open → Trace File, select your Trace file, and click Open.
What is SQL query example?
An SQL SELECT statement retrieves records from a database table according to clauses (for example, FROM and WHERE ) that specify criteria. The syntax is: SELECT column1, column2 FROM table1, table2 WHERE column2=’value’;
How do I view a SQL database?
To view a list of databases on an instance of SQL ServerIn Object Explorer, connect to an instance of the SQL Server Database Engine, and then expand that instance.To see a list of all databases on the instance, expand Databases.
How do I view a SQL query table?
To create a view, a user must have the appropriate system privilege according to the specific implementation. CREATE VIEW view_name AS SELECT column1, column2….. FROM table_name WHERE [condition]; You can include multiple tables in your SELECT statement in a similar way as you use them in a normal SQL SELECT query.
How do you view a database?
Show MySQL Databases The most common way to get a list of the MySQL databases is by using the mysql client to connect to the MySQL server and run the SHOW DATABASES command. If you haven’t set a password for your MySQL user you can omit the -p switch.
How do I view a SQL trace file?
Find the target events.Open the trace file or table, and expand the node of the desired event class; for example, Deadlock Chain. … Search through the trace data until you find the events for which you are looking (use the Find command on the Edit menu of SQL Server Profiler to help you find values in the trace).
How do I view a diagram in SQL Server?
To open a database diagramIn Object Explorer, expand the Database Diagrams folder.Double-click the name of the database diagram you want to open. -or- Right-click the name of the database diagram you want to open, and then choose Design Database Diagram.
How do I view a trace file?
Open a trace log using TraceviewStart Android Device Monitor.In the Android Device Monitor, select File > Open File.Navigate to the . trace file you want to inspect.Click Open.
How do I access mysql database?
To invoke the mysql program, you just simply navigate to the bin directory of the MySQL’s installation folder and type:mysql. … shell>mysql -u root -p. … Enter password: ******** … mysql> … mysql> show databases;More items…
How can I see all tables in SQL?
The easiest way to see all tables in the database is to query the all_tables view: SELECT owner, table_name FROM all_tables; This will show the owner (the user) and the name of the table. You don’t need any special privileges to see this view, but it only shows tables that are accessible to you.