Technology

How can I tell when a SQL table was created?

In the Object Explorer in SQL Server Management Studio, go to the database and expand it. Under the Tables folder select the table name. Right click and select Properties from the menu. You will see the created date of the table in the General section under Description.

How do I find the history of a table in SQL Server?

How to Check SQL Server Query History
  1. Queries are saved in the cache via system representations (sys. dm_exec_query_stats, sys. dm_exec_sql_text, and sys. …
  2. Using SQL Server Profiler.
  3. Using Extended Events.
  4. Using the Query Store, starting from the 2016 version.
  5. Using SQL Complete (SQL CompleteExecution History) in SSMS.
How to Check SQL Server Query History
  1. Queries are saved in the cache via system representations (sys. dm_exec_query_stats, sys. dm_exec_sql_text, and sys. …
  2. Using SQL Server Profiler.
  3. Using Extended Events.
  4. Using the Query Store, starting from the 2016 version.
  5. Using SQL Complete (SQL CompleteExecution History) in SSMS.

How do I find the last created table in SQL Server?

Columns
  1. schema_name – schema name.
  2. table_name – table name.
  3. create_date – table creation date.
  4. modify_date – last update time of table (by ALTER statement)
Columns
  1. schema_name – schema name.
  2. table_name – table name.
  3. create_date – table creation date.
  4. modify_date – last update time of table (by ALTER statement)

How can I tell when a SQL Server object was created?

You can find it by querying sys. objects by providing a filter condition based on the object name and type. You might need to specify more details with respect to what kind of database object you are trying to find. For tables use type_desc as 'USER_TABLE' and for Store d Procedures use 'SQL_STORED_PROCEDURE'.

How does lag work in SQL?

SQL Server LAG() is a window function that provides access to a row at a specified physical offset which comes before the current row. In other words, by using the LAG() function, from the current row, you can access data of the previous row, or the row before the previous row, and so on.

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What is temporary table in MySQL?

In MySQL, a temporary table is a special type of table that allows you to store a temporary result set, which you can reuse several times in a single session. A temporary table is very handy when it is impossible or expensive to query data that requires a single SELECT statement with the JOIN clauses.

How can I tell when a SQL table was modified?

The query: SELECT name AS TableName, create_date AS CreatedDate, modify_date as ModifyDate FROM sys. tables order by ModifyDate; …will tell me the last time a table was created and modified (from a DDL perspective).

How do I select a new record in SQL?

Here is the syntax that we can use to get the latest date records in SQL Server. Select column_name, .. From table_name Order By date_column Desc; Now, let’s use the given syntax to select the last 10 records from our sample table.

How do I select a database in mysql?

You can use the SQL command use to select a database.
  1. Example. Here is an example to select a database called TUTORIALS − [root@host]# mysql -u root -p Enter password:****** mysql> use TUTORIALS; Database changed mysql> …
  2. Syntax. mysqli_select_db ( mysqli $link , string $dbname ) : bool. …
  3. Example. …
  4. Output.
You can use the SQL command use to select a database.
  1. Example. Here is an example to select a database called TUTORIALS − [root@host]# mysql -u root -p Enter password:****** mysql> use TUTORIALS; Database changed mysql> …
  2. Syntax. mysqli_select_db ( mysqli $link , string $dbname ) : bool. …
  3. Example. …
  4. Output.

How can I tell when a mysql table was created?

SELECT create_time FROM INFORMATION_SCHEMA. TABLES WHERE table_schema = ‘yourDatabaseName’ AND table_name = ‘yourTableName’; My table name is ‘skiplasttenrecords’ and database is ‘test’.

How do you write a lead in SQL?

LEAD function get the value from the current row to subsequent row to fetch value. We use the sort function to sort data in ascending or descending order. We use the PARTITION BY clause to partition data based on the specified expression. We can specify a default value to avoid NULL value in the output.

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What is lead in Oracle SQL?

LEAD is an analytic function. It provides access to more than one row of a table at the same time without a self join. Given a series of rows returned from a query and a position of the cursor, LEAD provides access to a row at a given physical offset beyond that position.

What is enum data type in MySQL?

An ENUM is a string object with a value chosen from a list of permitted values that are enumerated explicitly in the column specification at table creation time.

What are data types in MySQL?

In MySQL there are three main data types: string, numeric, and date and time.

What is current timestamp in MySQL?

MySQL CURRENT_TIMESTAMP() Function

The CURRENT_TIMESTAMP() function returns the current date and time. Note: The date and time is returned as “YYYY-MM-DD HH-MM-SS” (string) or as YYYYMMDDHHMMSS.

How do I do a timestamp in SQL?

The basic syntax of “timestamp” data type in SQL is as follows : Timestamp ‘date_expression time_expression’; A valid timestamp data expression consists of a date and a time, followed by an optional BC or AD.

How do I sort by most recent date in SQL?

If you’d like to see the latest date first and the earliest date last, you need to sort in descending order. Use the DESC keyword in this case. ORDER BY ExamDate DESC ; Note that in T-SQL, NULL s are displayed first when sorting in ascending order and last when sorting in descending order.

How do I get the latest row in mysql?

To get the last record, the following is the query. mysql> select *from getLastRecord ORDER BY id DESC LIMIT 1; The following is the output. The above output shows that we have fetched the last record, with Id 4 and Name Carol.

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How do I install MySQL on Windows 10?

How to Download MySQL’s Free Community Edition
  1. Go to the MySQL website and select Downloads.
  2. Select MySQL Community (GPL) Downloads. …
  3. On the following page, select MySQL Community Server.
  4. Scroll down to the bottom of the page and select the Go to Download Page next to Windows (x86, 32 & 64-bit), MySQL Installer MSI.
How to Download MySQL’s Free Community Edition
  1. Go to the MySQL website and select Downloads.
  2. Select MySQL Community (GPL) Downloads. …
  3. On the following page, select MySQL Community Server.
  4. Scroll down to the bottom of the page and select the Go to Download Page next to Windows (x86, 32 & 64-bit), MySQL Installer MSI.

How do I use MySQL Workbench?

MySQL Workbench Create, Alter, Drop Table
  1. Open the MySQL Workbench and logged in using username and password. …
  2. Select the newly created database, double click on it, and you will get the sub-menu under the database. …
  3. Select Tables sub-menu, right-click on it and select Create Table option.
MySQL Workbench Create, Alter, Drop Table
  1. Open the MySQL Workbench and logged in using username and password. …
  2. Select the newly created database, double click on it, and you will get the sub-menu under the database. …
  3. Select Tables sub-menu, right-click on it and select Create Table option.

How do I create a student database in MySQL?

Creating Tables

mysql> show tables; To create a table for students in this class we can do: mysql> CREATE TABLE student (lastName VARCHAR(20), firstName VARCHAR(20), -> major VARCHAR(20), bDay DATE); The format for the DATE is YYYY-MM-DD.

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