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  2. Year 2038 problem - Wikipedia

    en.wikipedia.org/wiki/Year_2038_problem

    The problem is similar in nature to the year 2000 problem, the difference being the Year 2000 problem had to do with base 10 numbers, whereas the Year 2038 problem involves base 2 numbers. Analogous storage constraints will be reached in 2106 , where systems storing Unix time as an unsigned (rather than signed) 32-bit integer will overflow on 7 ...

  3. SQL syntax - Wikipedia

    en.wikipedia.org/wiki/SQL_syntax

    For the BINARY LARGE OBJECT data type, the multipliers K (1 024), M (1 048 576), G (1 073 741 824) and T (1 099 511 627 776) can be optionally used when specifying the length. Boolean. BOOLEAN; The BOOLEAN data type can store the values TRUE and FALSE. Numerical. INTEGER (or INT), SMALLINT and BIGINT; FLOAT, REAL and DOUBLE PRECISION

  4. Comparison of data modeling tools - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_data...

    Access, MS SQL Server, Oracle, MySQL, PostgreSQL, IBM Db2: Windows Standalone 2005 MySQL Workbench: MySQL (An Oracle Company) SMBs - personal Proprietary or GPL: MySQL: Linux, Windows, macOS Standalone 2006 Navicat Data Modeler PremiumSoft SMBs and enterprises Proprietary: MySQL, MS SQL Server, PostgreSQL, Oracle, SQLite: Windows, macOS, Linux ...

  5. Bash (Unix shell) - Wikipedia

    en.wikipedia.org/wiki/Bash_(Unix_shell)

    In computing, Bash (short for "Bourne Again SHell,") [6] is an interactive command interpreter and command programming language developed for UNIX-like operating systems. [7] Created in 1989 [ 8 ] by Brian Fox for the GNU Project , it is supported by the Free Software Foundation and designed as a 100% free alternative for the Bourne shell ( sh ...

  6. Unix time - Wikipedia

    en.wikipedia.org/wiki/Unix_time

    Unix time [a] is a date and time representation widely used in computing. It measures time by the number of non-leap seconds that have elapsed since 00:00:00 UTC on 1 January 1970, the Unix epoch. For example, at midnight on 1 January 2010, Unix time was 1262304000. Unix time originated as the system time of Unix operating systems.

  7. Open Database Connectivity - Wikipedia

    en.wikipedia.org/wiki/Open_Database_Connectivity

    Generally these systems operated together with a simple command processor that allowed users to type in English-like commands, and receive output. The best-known examples are SQL from IBM and QUEL from the Ingres project. These systems may or may not allow other applications to access the data directly, and those that did use a wide variety of ...

  8. cal (command) - Wikipedia

    en.wikipedia.org/wiki/Cal_(command)

    cal is a command-line utility on a number of computer operating systems including Unix, Plan 9, Inferno and Unix-like operating systems such as Linux that prints an ASCII calendar of the given month or year. If the user does not specify any command-line options, cal will print a calendar of the current month.

  9. SQLyog - Wikipedia

    en.wikipedia.org/wiki/SQLyog

    Data manipulations (INSERT, UPDATE, DELETE) may be done from a spreadsheet-like interface. Both raw table data and a result set from a query can be manipulated. Visual Schema Designer; Visual Query Builder; Query Formatter; Connectivity options: Direct client/server using MySQL API (SSL supported), HTTP/HTTPS tunneling, SSH tunneling