#sparksql模式spark.sql("REFRESH TABLE db.tablename")# dataframe模式spark.Catalog.refreshTable("db.tablename")
MySQL数据库工具类之——DataTable批量加入MySQL数据库(Net版) MySqlConnection con = new MySqlConnection(connectionString)) { con.Open(); using (MySqlCommand...cmd = new MySqlCommand(sql, con)) { foreach (MySqlParameter parameter in...cmd = new MySqlCommand(sql, con)) { foreach (MySqlParamete...
INDEX for a list of topics. You can view the Oracle Database Library at http://www.oracle.com/technology/documentation. Use the following command to execute operating system commands: HO[ST] [command] Executes an operating system command without leaving SQLcl. Enter HOST without command to ...
--html HTML table output mode -t, --tuples-only print rows only -x, --expanded turn on expanded table output -z, --field-separator-zero set field separator for unaligned and CSV output to zero byte -0, --record-separator-zero set record separator for unaligned and CSV output to zero...
CREATE SQL VIEW Command CREATE TABLE - SQL Command DELETE - SQL Command INSERT - SQL Command SELECT - SQL Command SQL Pass Through Foundation Class SQLCANCEL( ) Function SQLCOLUMNS( ) Function SQLCOMMIT( ) Function SQLCONNECT( ) Function SQLDISCONNECT( ) Function SQLEXEC( ) Function SQLGETPRO...
Creates a table or .dbf. TheTableName1parameter specifies the name of the table. TheTABLEandDBFoptions are identical. NAMELongTableName Specifies a long name for the table. You can specify a long table name only when a database is open because long table names are stored in databases. Lon...
The COPY command will be obsoleted in future releases of SQL*Plus. COPY supports the datatypes listed for the COPY command, but no new datatypes will be supported. COPY Command Syntax COPY {FROMdatabase| TOdatabase| FROMdatabaseTOdatabase} {APPEND|CREATE|INSERT|REPLACE}destination_table[(column...
1.使用pl/sql代码实现,但要求你组合后的长度不能超出oracle varchar2长度的限制 create or replace type strings_table is table of varchar2(20); / create or replace function merge (pv in strings_table) return varchar2 is ls varchar2(4000); begin for i in 1..pv.count loop ls := ls || ...
Convert text from a file or from stdin into SQL table and query it instantly. Uses sqlite as backend. The idea is to make SQL into a tool on the command line or in scripts. - tobimensch/termsql
A database consists of one or more tables with several columns, each containing information. In relational databases, the tables can cross-reference one another. If you run a website and use MySQL, you may need to view a complete list of tables in the database. ...