Web Programming Secrets

How does cursor work in SQL?

In SQL procedures, a cursor makes it possible to define a result set (a set of data rows) and perform complex logic on a row by row basis. … A cursor can be viewed as a pointer to one row in a set of rows. The cursor can only reference one row at a time, …

How do I reduce the size of SQL transaction log?

How do I reduce the transaction log size in SQL Server? Transaction Log Shrinking Methods we are referring to the option available in SSMS by Right Click DB Name -> Tasks -> Shrink -> Files -> File type -> Log. does reduce the physical log file size by freeing up internal free space of the …

You asked: What is fully qualified name in SQL?

As an example of a relational database, in Microsoft SQL Server the fully qualified name of an object is the one that specifies all four parts: server_name. [database_name]. [schema_name]. object_name . What is fully qualified type name? A fully qualified type name consists of an assembly name specification, a namespace specification, and a type name. …

Question: How do I get DSC Java support?

How do I download Java for DSC? Open internet explorer and enter https://www.java.com/en/download/ in address bar. Download the setup and run, once the installation is complete a verify link will open in same browser. Click on “Verify Java Version” and allow java to run, once the verification is complete browser will display successful page. Which …

Is node JS faster than Ruby?

If we compare the speed of Ruby on Rails vs Node. js, even experienced Ruby on Rails developers acknowledge that the framework is slow. While its speed improves with every version, it’s still a lot lower than Node’s. There are many reasons for the performance delay. Should I learn Ruby or NodeJS? NodeJS will open …

How do I log into SQL shell?

How do I connect to my SQL shell? You can specify the MySQL server instance to which MySQL Shell connects globally in the following ways: When you start MySQL Shell, using the command parameters. See Section 4.3. … When MySQL Shell is running, using the connect instance command. … When running in Python or JavaScript …

What is the query for date in SQL?

SQL Server comes with the following data types for storing a date or a date/time value in the database: DATE – format YYYY-MM-DD. DATETIME – format: YYYY-MM-DD HH:MI:SS. SMALLDATETIME – format: YYYY-MM-DD HH:MI:SS. What is the SQL query for current date? To get the current date and time in SQL Server, use the GETDATE() function. …

How do you count words in Java?

You can count words in Java String by using the split() method of String. A word is nothing but a non-space character in String, which is separated by one or multiple spaces. By using a regular expression to find spaces and split on them will give you an array of all words in a given …

How do you delete all records from a table in SQL?

How delete all data from table in SQL? To delete every row in a table: Use the DELETE statement without specifying a WHERE clause. With segmented table spaces, deleting all rows of a table is very fast. … Use the TRUNCATE statement. The TRUNCATE statement can provide the following advantages over a DELETE statement: … …

What happens when SQL database is full?

When in full recovery model, the default for SQL Server databases, you must back the database and log file up, otherwise the transaction log file will grow until you run out of hard drive space. … This is done so that the space within the transaction log can be re-used. What happens when database is …